/-------------------------------- HIVRF
|
|                                 /..- AY527818
|              /------------------+
|              |                  \------ AY527819
|              |
|              |                           /- AY528175
|              |                           |
|              +---------------------------+/ AY528176
|              |                           \+
|              |                            \ AY528177
|              |
|           /--+          /- AY528104
|           |  |          |
|           |  |          |/- AY528105
|           |  |         /+|
|           |  |         ||+- AY528106
|           |  |         |\+
|           |  \---------+ \- AY528107
|           |            |
|           |            \ AY528108
|           |
|           |                       / AY527997
|           |                     /-+
|          /+                     | \ AY527998
|          ||                     |
|          ||    /----------------+ / AY527999
|          ||    |                | |
|          ||    |                | + AY528001
|          ||    |                \-+
|          ||  /-+                  \ AY528000
|          ||  | |
|          ||  | |           /-- AY528095
|          ||  | \-----------+
|          ||  |             \-- AY528096
|          |\--+
|          |   |  /- AY528197
|          |   |  |
|          |   |  |/ AY528198
|          |   \--+|
|          |      ||  /...- AY528200
|          |      |+--+
|          |      \+  \---- AY528201
|          |       |
|          |       \ AY528199
|          |
|          |                 /- AY527908
|          |  /--------------+
|          |  |              \- AY527909
|          |  |
|          |  |             /- AY528048
|          |  |             |
|          | /+             |  /.- AY528049
|          | ||    /--------+  |
|          | ||    |        | /+ /- AY528051
|          | ||    |        | |\-+
|          | ||    |        \-+  \- AY528052
|          | |\----+          |
|          | |     |          \- AY528050
|          |/+     |
|          |||     |                         / AY528089
|          |||     \-------------------------+
|          |||                               \------- AY528090
|          |||
|          |||  /- AY527949
|          ||\--+
|          ||   \ AY527950
|          ||
|          ||                       /- AY527924
|          ||                       |
|          ||                      /+ AY527925
|          ||                      ||
|          ++  /-------------------+\ AY527926
|          ||  |                   |
|          ||  |                   \-- AY527927
|          ||/-+
|          ||| |             /..- AY528173
|          ||| \-------------+
|          |||               \------ AY528174
|          |||
|          |||                   /- AY527976
|          |||                   |
|          |||             /-----+/ AY527977
|          |||             |     ||
|          |\+             |     \+/ AY527978
|          | |             |      ||
|          | |            /+      \+.- AY527979
|          | |            ||       |
|          | |            ||       \-- AY527980
|          | |           /+|
|          | |           ||\- AY527981
|          | |           ||
|          | \-----------+\ AY527983
|          |             |
|          |             \- AY527982
|          |
|          |  /- AY527853
|          | /+
|          | |\- AY527854
|          |/+
|          |||                    / AY528002
|          ||\--------------------+
|          ||                     \-- AY528003
|          ++
|          ||              /.- AY527863
|          ||/-------------+
|          |||             \---- AY527864
|          |\+
|         /+ |             /- AY528112
|         || \-------------+
|         ||               \ AY528113
|         ||
|         ||              / AY527824
|         ||     /--------+
|         ||     |        \-- AY527825
|         ||  /--+
|         ||  |  \------ AY527826
|         || /+
|         || ||                          /- AY528102
|         || |\--------------------------+
|         || |                           \----- AY528103
|         || |
|         || |              /- AY528214
|         ||/+              |
|         ||||              +- AY528215
|         ||||             /+
|         ||||             |\ AY528216
|         ||||             |
|         ||||             +- AY528217
|         |||\-------------+
|         |||              \ AY528218
|         |||
|         |||     /-- AY527883
|         ||| /---+
|         ||| |   \ AY527884
|         ||| |
|         ||| |     /- AY528124
|         ||| |     |
|         ||| |     |/ AY528125
|         |\+ |     ||
|         | | |/----++ AY528128
|         | |/+|    ||
|         | ||||    |+ AY528127
|         | ||||    \+
|         | ||||     \ AY528126
|         | ||||
|         | ||||                 /- AY528129
|         | ||||                 |
|         | ||\+           /-----+ /.- AY528130
|         | || |           |     | |
|         | || |           |     \-+  /..- AY528132
|         | || |/----------+       \--+
|         | || ||          |          \--- AY528133
|         | || ||          |
|         | \+ ||          \......- AY528131
|         |  | \+
|         |  |  |          / AY528134
|         |  |  |         /+
|         |  |  |         |\ AY528135
|         |  |  \---------+
|         |  |            |/--- AY528136
|         |  |            \+
|         |  |             \ AY528137
|         |  |
|         |  |      / AY528031
|         |  |   /--+
|         |  |   |  \-- AY528032
|         |  \---+
|         |      |                       /-- AY528138
|         |      \-----------------------+
|         |                              \ AY528139
|         |
|         |                   /.- AY527820
|         |                   |
|         |  /----------------+   /- AY527821
|         |  |                |   |
|         |  |                \---+- AY527822
|         |  |                    |
|         |  |                    \- AY527823
|         |  |
|         |  |        / AY527910
|         |  |        |
|         |  |   /----+ AY527911
|         | /+   |    |
|         | ||   |    \ AY527912
|         | ||/--+
|         | |||  |                           /-- AY528161
|         | |||  |                           |
|         | |||  \---------------------------+/.- AY528162
|         | |||                              \+
|         | |||                               \-- AY528163
|         | |||
|         | |\+              /- AY528065
|         | | |              |
|         | | |             /+/ AY528066
|         | | |             |\+
|         |/+ |             | \ AY528067
|         ||| |             |
|         ||| \-------------+- AY528068
|         |||               |
|         |||               \ AY528069
|         |||
|         |||        /-- AY527893
|         |||/-------+
|         ||||       \- AY527894
|         ||||
|         ||||                /- AY527957
|         ||||     /----------+
|         ||\+     |          \- AY527959
|         || +-----+
|         || |     \....- AY527958
|         || |
|         || |                                     / AY527973
|         || |                                     |
|         || \-------------------------------------+ /- AY527974
|         ||                                       \-+
|         ++                                         \- AY527975
|         ||
|         ||       /...- AY527928
|         ||       |
|         ||       |        /.- AY527929
|         ||/------+        |
|         |||      |      /-+          /...- AY527931
|         |||      |      | \----------+
|         |||      \------+            \---- AY527932
|         |||             |
|         |||             \..- AY527930
|         |++
|         |||   /.- AY528178
|         |||  /+
|         |||  |\---- AY528180
|         |||  |
|         |||  +- AY528181
|         ||\--+
|         ||   \ AY528179
|         ||
|         ||                / AY528070
|         ||                |
|         ||                | / AY528071
|         ||   /------------+ |
|         ||   |            | +- AY528072
|         ||   |            \-+
|         ||   |              +- AY528073
|         |\---+              |
|         |    |              \ AY528074
|         |    |
|         |    |                 /- AY528075
|         |    \-----------------+
|         |                      \- AY528076
|         |
|         |                          /- AY527829
|         |    /---------------------+
|         |    |                     \- AY527830
|         |    |
|         |    |          / AY528114
|         |  /-+          |
|         |  | |          |  / AY528115
|         |  | |          | /+
|         |  | \----------+ |\-- AY528117
|         |  |            | |
|         |  |            | +.- AY528116
|         |  |            \-+
|         |  |              \---- AY528118
|         |  |
|         | /+              /- AY527834
|         | ||              |
|         | ||/-------------+ / AY527835
|         | |||             | |
|         | |||             \-+--- AY527836
|         | |||               |
|         | |||               |/ AY527837
|         | |||               \+
|         | |||                \ AY527838
|         | |\+
|         |/+ |                         /- AY528157
|         ||| |                        /+
|         ||| |                        |\ AY528158
|         ||| |                        |
|         ||| |                        +- AY528159
|         ||| \------------------------+
|         |||                          \ AY528160
|         |||
|         |||               /.- AY528202
|         |||               |
|         ||\---------------+     /--- AY528203
|         ||                \-----+
|         ||                      \..- AY528204
|         ||
|         ||                      /- AY527845
|         ||                   /--+
|         ||                   |  \- AY527846
|         ||                   |
|         ||                   | /- AY527848
|         ||                   +-+
|         ||   /---------------+ \- AY527849
|         ||   |               |
|         ||   |               \- AY527847
|         ||   |
|         ||/--+        / AY528150
|         |||  |       /+
|         ++|  |       |\ AY528151
|         |||  \-------+
|         |||          |/- AY528153
|         |||          \+
|         |++           \- AY528154
|         |||
|         |||/- AY528033
|         ||||
|         ||||             /- AY528035
|         ||\+             |
|         || |             |/ AY528036
|         || \-------------+|
|         ||               |+- AY528037
|         ||               ||
|         ||               \+- AY528038
|         ||                |
|         ||                \ AY528039
|         ||
|         ||    /-------------------------- AY527944
|         ||    |
|         ||    |                  /- AY528022
|         ||    |/-----------------+
|         ||    ||                 \- AY528023
|         ||    ||
|         ||    ++       / AY528209
|         ||  /-+|       |
|         ||  | ||       | /- AY528210
|         ||  | |\-------+ |
|         ||  | |        | |  /..- AY528211
|         ||  | |        \-+/-+
|         ||  | |          || \------- AY528213
|         ||  | |          \+
|         ||  | |           \- AY528212
|         ||  | |
|         ||  | |             /- AY528186
|         ||  | |             |
|         ||/-+ |             |  /.- AY528187
|         ||| | \-------------+  |
|         ||| |               |  |          /.- AY528189
|         ||| |               \--+  /-------+
|         ||| |                  |  |       \-- AY528190
|         ||| |                  \--+
|         ||| |                     \- AY528188
|         ||| |
|         ||| |             / AY527945
|         ||| |             |
|         ||| \-------------+   /.- AY527946
|         |||               |   |
|         |\+               \---+   /..- AY527947
|         | |                   \---+
|         | |                       \--- AY527948
|         | |
|         | |            /- AY528004
|         | |            |
|         | | /----------+- AY528005
|         | | |          |
|         | | |          | / AY528006
|         | | |          \-+
|         | | |            \ AY528007
|         | | |
|         | \-+         /-- AY528053
|         |   |         |
|         |   |         + AY528055
|         |   |  /------+
|         |   |  |      \ AY528054
|         |   \--+
|         |      |               /- AY528221
|         |      \---------------+
|         |                      \- AY528222
|         |
|         |                              /-- AY527831
|         |                              |
|         |        /---------------------+/.- AY527832
|         |        |                     \+
|         |        |                      \-- AY527833
|         |   /----+
|         |   |    |                      /- AY527993
|         |   |    |                      |
|         |   |    \----------------------+ AY527994
|         |   |                           |
|         |   |                           |/- AY527995
|         |  /+                           \+
|         |  ||                            \- AY527996
|         |  ||
|         |  ||                        /.- AY527936
|         |  ||                        |
|         |  |\------------------------+ /- AY527937
|         |  |                         \-+
|         |  |                           \ AY527938
|         | /+
|         | ||   /-- AY527954
|         | ||  /+
|         | ||  |\ AY527955
|         | ||/-+
|         | ||| \- AY527956
|         | |||
|         | |\+              /- AY528026
|         | | |              |
|         | | |              |/ AY528027
|         | | \--------------+|
|         | |                ||     / AY528028
|         | |                \+     |
|         | |                 |     + AY528029
|         | |                 \-----+
|         | |                       \ AY528030
|         |/+
|         |||                        /---- AY527960
|         |||                       /+
|         |||                       |\..- AY527962
|         ||| /---------------------+
|         ||| |                     \- AY527961
|         ||| |
|         |||/+           /--- AY528121
|         |||||          /+
|         |||||          |\- AY528123
|         ||||\----------+
|         ||++           \ AY528122
|         ||||
|         ||||     /- AY528166
|         |||\-----+
|         |||      \-- AY528167
|         |||
|         |||           / AY528207
|         ||\-----------+
|         ||            \ AY528208
|         ||
|         ||                   /- AY527865
|         ||  /----------------+
|         ||  |                \-- AY527866
|         ||/-+
|         ||| |         /- AY528012
|         ||| \---------+
|         |||           \- AY528013
|         |||
|         |||      /- AY528191
|         |++      |
|         |||      |  / AY528192
|         |||/-----+ /+
|         ||||     | |\ AY528194
|         ||||     \-+
|         ||\+       \- AY528193
|         || |
|         || |        /-- AY528219
|         || \--------+
|         ||          \ AY528220
|         ||
|         ||                                               /- AY527855
|         ||                                               |
|         ||        /--------------------------------------+/ AY527856
|         ||        |                                      ||
|         ||        |                                      \+  /..- AY527857
|         ||        |                                       |  |
|         ||      /-+                                       \--+  / AY527858
|         ||      | |                                          \--+
|         ||      | |                                             \ AY527859
|         ||      | |
|         || /----+ \------------------------ AY527862
|         || |    |
|         || |    |                  /--- AY528082
|         ++ |    |                  |
|         || |    \------------------+ AY528083
|         || |                       |
|         ||/+                       \ AY528084
|         ||||
|         ||||        / AY528091
|         ||||        |
|         ||||/-------+   / AY528092
|         |||||       \---+
|         |||\+           \ AY528094
|         ||| |
|         ||| \....- AY528093
|         |||
|         |||            /- AY527869
|         |||            |
|         |||      /-----+  /-- AY527870
|         |||      |     \--+
|         |||      |        \.- AY527871
|         |++      |
|         |||      |                                                                                        /-- AY528077
|         |||      |                                                                                       /+
|         |||  /---+                                                                                       |\---- AY528078
|         |||  |   |                                                                                     /-+
|         |||  |   |                                                                                     | \- AY528081
|         |||  |   |                                                                                  /--+
|         |||  |   |                                                                                  |  \ AY528079
|         |||  |   \----------------------------------------------------------------------------------+
|         ||+--+                                                                                      \------- AY528080
|         |||  |
|         |||  |                  /- AY527970
|         |||  |                 /+
|         |||  |                 |\- AY527972
|         |||  \-----------------+
|         |||                    \- AY527971
|         |||
|         |||                   / AY527963
|         |||   /---------------+
|         |||   |               \--- AY527964
|         |||   |
|         ||\---+                   /- AY528061
|         ||    |                   |
|         ||    |                   |  / AY528062
|         ||    \-------------------+  |
|         ||                        |  + AY528063
|         ||                        \--+
|         ||                           \ AY528064
|         ||
|         ||      /------- AY527867
|         || /----+
|         || |    \......- AY527868
|         || |
|         ||/+               /-- AY527913
|         ||||               |
|         |||\---------------+ /- AY527914
|         |||                \-+
|        /+||                  \- AY527915
|        ||||
|        ||\+                       /-- AY527872
|        || |   /-------------------+
|        || |   |                   \-- AY527873
|        || |   |
|        || |   |                         /-- AY527965
|        || |   |                         |
|        || \---+                         |  /- AY527966
|        ||     |                         | /+
|        ||     |                         | |\- AY527968
|        ||     |                         +-+
|        ||     \-------------------------+ \.- AY527969
|        ||                               |
|        ||                               \-- AY527967
|        ||
|        ||                       /- AY527827
|        ||         /-------------+
|        ||         |             \- AY527828
|        ||         |
|        ||         |                    /- AY527919
|        ||   /-----+                    |
|        ||   |     |                    |/ AY527920
|        ||   |     |                    ++
|        ||   |     \--------------------+\ AY527921
|        ||   |                          |
|        ||   |                          +- AY527923
|        || /-+                          |
|        || | |                          \ AY527922
|        || | |
|        || | |                /- AY527984
|        || | |                |
|        || | \----------------+/ AY527985
|        ||/+                  \+
|        ||||                   \-- AY527986
|        ||||
|        ||||          /- AY528056
|        ||||          |
|        ||||          | / AY528057
|        |||\----------+ |
|        |||           |/+ AY528058
|        |||           |||
|        |||           \+\ AY528060
|        |||            |
|        |||            \- AY528059
|        |||
|        |||                              /- AY527951
|        |||                              |
|        |||   /--------------------------+ / AY527952
|        |++   |                          \-+
|        |||   |                            \ AY527953
|        |||   |
|        |||   |                 / AY527987
|        |||/--+               /-+
|        ||||  |               | \ AY527988
|        ||||  |              /+
|        ||||  |              |\ AY527989
|        ||||  \--------------+
|        ||||                 \- AY527990
|        ||||
|        ||||                     /- AY528043
|        ||||                     |
|        ||||                     |/ AY528046
|        ||||                     ++
|        ||\+                   /-+\ AY528047
|        || |                   | |
|        || |     /-------------+ \ AY528045
|        || |     |             |
|        || |     |             \.- AY528044
|        || |     |
|        || |     |          /- AY528182
|        || |     |          |
|        || |     +----------+ /.- AY528183
|        || |     |          | |
|        || |     |          \-+   /- AY528184
|        || \-----+            \---+
|        ||       |                \- AY528185
|        ||       |
|        ||       |                    /-- AY528195
|        ||       |    /---------------+
|        ||       |    |               \---------- AY528196
|        ||       \----+
|        ||            |                 /- AY528205
|        ||            \-----------------+
|        ||                              \ AY528206
|        ||
|        ||        /- AY527874
|        ||        |
|        |+--------+ / AY527875
|        ||        | |
|        ||        \-+ /- AY527876
|        ||          \-+
|        ||            \- AY527877
|        ||
|        ||                /- AY527895
|        ||  /-------------+
|        ||  |             \------ AY527896
|        ||  |
|        || /+          / AY528014
|        || ||         /+
|        || ||         |\ AY528015
|        || |\---------+
|        || |          |        /------ AY528016
|        || |          \--------+
|        |\-+                   \.....- AY528017
|        |  |
|        |  |      /-- AY528145
|        |  |     /+
|        |  |     |\.- AY528146
|        |  |     |
|        |  \-----+   /- AY528147
|        |        |  /+
|        |        |  |\- AY528148
|        |        \--+
|        |           \- AY528149
|        |
|        |                       / AY527843
|        |      /----------------+
|        |      |                \ AY527844
|        |      |
|        |    /-+        /- AY528109
|        |    | |        |
|        |    | \--------+/- AY528110
|        |    |          \+
|        |    |           \-- AY528111
|        |    |
|        |    |                   / AY528018
|        |  /-+                   |
|        |  | |                   | /- AY528019
|        |  | |  /----------------+ |
|        |  | |  |                | +- AY528021
|        |  | |  |                \-+
|        |  | |  |                  \ AY528020
|        |  | \--+
|        |  |    |           /- AY528097
|        |  |    |           |
|        |  |    |           | /- AY528098
|        | /+    \-----------+ |
|        | ||                +-+- AY528100
|        | ||                | |
|        | ||                | \- AY528101
|        | ||                |
|        | ||                \.- AY528099
|        | ||
|        | ||                 /- AY528085
|        | ||                 |
|        | |\-----------------+/ AY528086
|        | |                  ||
|        | |                  \+- AY528087
|        | |                   |
|        | |                   \- AY528088
|        | |
|        | |                                             /....- AY527897
|        | |                                          /--+
|        |/+                                          |  \--------- AY527898
|        |||          /-------------------------------+
|        |||          |                               \..- AY527899
|        |||          |
|        |||      /---+                                  /....- AY527933
|        |||      |   |                               /--+
|        |||      |   |                               |  \--------------- AY527935
|        |||      |   \-------------------------------+
|        |||      |                                   \..- AY527934
|        |||   /--+
|        |||   |  |         / AY527900
|        |||   |  |         |
|        |||   |  |         |/ AY527901
|        |||   |  |         ||
|        |||   |  \---------++ AY527904
|        |||   |            ++
|        ++\---+            |\ AY527903
|        ||    |            |
|        ||    |            \- AY527902
|        ||    |
|        ||    |                    /--- AY528008
|        ||    |                    |
|        ||    \--------------------+ AY528009
|        ||                         |
|        ||                         + AY528010
|        ||                         |
|        ||                         \ AY528011
|        ||
|        ||   / AY527888
|        ||   |
|        ||   |  /- AY527889
|        ||   |  |
|        |\---+  +- AY527890
|        |    | /+
|        |    | |\- AY527892
|        |    \-+
|        |      \- AY527891
|        |
|        |             /-- AY527916
|        |            /+
|        |            |\ AY527918
|        |   /--------+
|        |   |        \- AY527917
|     /--+ /-+
|     |  | | \------------------------- AY528034
|     |  | |
|     |  +-+               / AY528040
|     |  | |            /--+
|     |  | |            |  \- AY528042
|     |  | \------------+
|     |  |              \.- AY528041
|     |  |
|     |  |                             /-- AY527839
|     |  |                             |
|     |  |                             |/ AY527840
|     |  |      /----------------------+|
|     |  |      |                      |+ AY527842
|     |  |      |                      \+
|     |  |   /--+                       \ AY527841
|     |  |   |  |
|     |  |   |  |                            /- AY527991
|     |  |   |  \----------------------------+
|     |  | /-+                               \- AY527992
|     |  | | |
|     |  | | |          / AY527860
|     |  | | \----------+
|     |  | |            \- AY527861
|     |  | |
|     |  | |                    /-- AY527878
|     |  | |                    |
|     |  | |                    |/ AY527879
|     |  +-+                    ++
|     |  | |                    |\ AY527880
|     |  | |/-------------------+
|     |  | ||                   |/-- AY527881
|     |  | ||                   \+
|     |  | ||                    \---- AY527882
|     |  | ||
|     |  | ||               /- AY528140
|     |  | \+               |
|     |  |  |             /-+  /- AY528142
|    /+  |  |             | \--+
|    ||  |  |        /----+    \- AY528144
|    ||  |  |        |    |
|    ||  |  \--------+    \.- AY528141
|    ||  |           |
|    ||  |           \..- AY528143
|    ||  |
|    ||  |            / AY528119
|    ||  | /----------+
|    ||  | |          \---------- AY528120
|    ||  | |
|    ||  | |      / AY528168
|    ||  +-+      |
|    ||  | |      |     /-- AY528169
|    ||  | |      |   /-+
|    ||  | \------+   | \.- AY528170
|    ||  |        | /-+
|    ||  |        | | \.- AY528171
|    ||  |        \-+
|    ||  |          \.- AY528172
|    ||  |
|    ||  |              /- AY527885
+----+|  |              |
|    ||  |  /-----------+ / AY527886
|    ||  |  |           \-+
|    ||  |  |             \- AY527887
|    ||  | /+
|    ||  | ||           /-- AY528024
|    ||  | |\-----------+
|    ||  | |            \ AY528025
|    ||  \-+
|    ||    |               / AY527905
|    ||    |               |
|    ||    \---------------+- AY527906
|    ||                    |
|    ||                    \-------- AY527907
|    ||
|    ||                /- AY528164
|    |\----------------+
|    |                 \ AY528165
|    |
|    |           / AY527850
|    |          /+
|    |          |\ AY527851
|    \----------+
|               \- AY527852
|
|           / AY527939
|           |
|           |  /..- AY527940
+-----------+  |
|           |  |     /- AY527941
|           \--+    /+
|              |    |\- AY527942
|              \----+
|                   \- AY527943
|
|                     / AY528155
\---------------------+
                      \-- AY528156