NRTI Resistance Notes
Last updated on Jun 05, 2013
| Resistance Matrix | Resistance Mutation Comments | Resistance Mutation Scores | Drug Summaries |
Position ![]() | Cons | AA | 3TC ![]() | FTC ![]() | ABC ![]() | AZT ![]() | D4T ![]() | DDI ![]() | TDF ![]() |
|---|---|---|---|---|---|---|---|---|---|
| 184 | M | VI | 60 | 60 | 15 | -10 | -10 | 10 | -10 |
| 65 | K | R | 30 | 30 | 60 | -15 | 45 | 60 | 60 |
| 66 | K | insert | 30 | 30 | 45 | 45 | 45 | 45 | 45 |
| 67 | D | insert | 30 | 30 | 45 | 45 | 45 | 45 | 45 |
| 68 | S | insert | 30 | 30 | 45 | 45 | 45 | 45 | 45 |
| 69 | T | insert | 30 | 30 | 45 | 45 | 45 | 45 | 45 |
| 70 | K | insert | 30 | 30 | 45 | 45 | 45 | 45 | 45 |
| 71 | W | insert | 30 | 30 | 45 | 45 | 45 | 45 | 45 |
| 65 | K | N | 15 | 15 | 15 | -10 | 30 | 30 | 30 |
| 151 | Q | M | 15 | 15 | 60 | 60 | 60 | 60 | 15 |
| 66 | K | delete | 15 | 15 | 30 | 30 | 30 | 30 | 30 |
| 67 | D | delete | 15 | 15 | 30 | 30 | 30 | 30 | 30 |
| 68 | S | delete | 15 | 15 | 30 | 30 | 30 | 30 | 30 |
| 69 | T | delete | 15 | 15 | 15 | 0 | 15 | 15 | 15 |
| 70 | K | delete | 15 | 15 | 15 | 0 | 15 | 15 | 15 |
| 71 | W | delete | 15 | 15 | 15 | 0 | 15 | 15 | 15 |
| 70 | K | GE | 10 | 10 | 15 | -10 | 15 | 15 | 15 |
| 70 | K | TSNQ | 10 | 10 | 10 | 0 | 10 | 10 | 10 |
| 151 | Q | L | 10 | 10 | 30 | 30 | 30 | 30 | 10 |
| 40 | E | F | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 41 | M | L | 5 | 5 | 5 | 15 | 15 | 5 | 5 |
| 44 | E | DA | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 62 | A | V | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 75 | V | I | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 77 | F | L | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 116 | F | Y | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 118 | V | I | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 210 | L | W | 5 | 5 | 5 | 15 | 15 | 5 | 10 |
| 215 | T | YF | 5 | 5 | 15 | 45 | 45 | 15 | 15 |
| 67 | D | EGSTH | 0 | 0 | 5 | 10 | 10 | 5 | 5 |
| 67 | D | N | 0 | 0 | 5 | 15 | 15 | 5 | 5 |
| 69 | T | D | 0 | 0 | 0 | 0 | 10 | 30 | 0 |
| 69 | T | N | 0 | 0 | 0 | 5 | 5 | 10 | 0 |
| 69 | T | G | 0 | 0 | 10 | 0 | 10 | 10 | 5 |
| 70 | K | R | 0 | 0 | 5 | 30 | 15 | 5 | 10 |
| 74 | L | IV | 0 | 0 | 30 | 0 | 0 | 60 | 0 |
| 75 | V | ALS | 0 | 0 | 0 | 0 | 10 | 10 | 0 |
| 75 | V | M | 0 | 0 | 0 | 0 | 40 | 15 | 0 |
| 75 | V | T | 0 | 0 | 15 | 0 | 60 | 30 | 0 |
| 115 | Y | F | 0 | 0 | 45 | 0 | 0 | 0 | 15 |
| 215 | T | CDEIVSNAL | 0 | 0 | 10 | 20 | 20 | 10 | 10 |
| 219 | K | QENRW | 0 | 0 | 5 | 10 | 10 | 5 | 5 |
| 348 | N | I | 0 | 0 | 0 | 10 | 10 | 0 | 0 |
There are 62 combination rules below conditional on several mutations.
If triggered, their scores are added to the total score from the individual mutations above.
| Drug Name | Combination Rule | Score |
|---|---|---|
| 3TC | 40F+41L+215FY | 5 |
| 3TC | 44AD+41L+215FY | 5 |
| 3TC | V118I+41L+215FY | 5 |
| ABC | 184VI+74VI | 15 |
| ABC | 210W+215FY | 10 |
| ABC | 210W+215SCDEIVNAL | 5 |
| ABC | 40F+41L+215FY | 5 |
| ABC | 41L+210W | 10 |
| ABC | 41L+215FY | 10 |
| ABC | 41L+215SCDEIVNAL | 5 |
| ABC | 44AD+41L+215FY | 5 |
| ABC | 67NG+70R+219QENR | 10 |
| ABC | V118I+41L+215FY | 5 |
| AZT | 210W+215FY | 10 |
| AZT | 210W+215SCDEIVNAL | 5 |
| AZT | 40F+41L+215FY | 5 |
| AZT | 41L+210W | 10 |
| AZT | 41L+215FY | 10 |
| AZT | 41L+215SCDEIVNAL | 5 |
| AZT | 44AD+41L+215FY | 5 |
| AZT | 65R+151M | 15 |
| AZT | 67NG+70R+219QENR | 10 |
| AZT | V118I+41L+215FY | 5 |
| D4T | 210W+215FY | 10 |
| D4T | 210W+215SCDEIVNAL | 5 |
| D4T | 40F+41L+215FY | 5 |
| D4T | 41L+210W | 10 |
| D4T | 41L+215FY | 10 |
| D4T | 41L+215SCDEIVNAL | 5 |
| D4T | 44AD+41L+215FY | 5 |
| D4T | 65N+184VI | 10 |
| D4T | 65R+184VI | 10 |
| D4T | 67NG+70R+219QENR | 10 |
| D4T | 70EG+184VI | 10 |
| D4T | V118I+41L+215FY | 5 |
| DDI | 210W+215FY | 10 |
| DDI | 210W+215SCDEIVNAL | 5 |
| DDI | 40F+41L+215FY | 5 |
| DDI | 41L+210W | 10 |
| DDI | 41L+215FY | 10 |
| DDI | 41L+215SCDEIVNAL | 5 |
| DDI | 44AD+41L+215FY | 5 |
| DDI | 67NG+70R+219QENR | 10 |
| DDI | V118I+41L+215FY | 5 |
| FTC | 40F+41L+215FY | 5 |
| FTC | 44AD+41L+215FY | 5 |
| FTC | V118I+41L+215FY | 5 |
| TDF | 210W+215FY | 10 |
| TDF | 210W+215SCDEIVNAL | 5 |
| TDF | 40F+41L+215FY | 5 |
| TDF | 41L+210W | 10 |
| TDF | 41L+215FY | 10 |
| TDF | 41L+215SCDEIVNAL | 5 |
| TDF | 44AD+41L+215FY | 5 |
| TDF | 65N+184VI | 10 |
| TDF | 65R+115F | 15 |
| TDF | 65R+151M | 15 |
| TDF | 65R+184VI | 10 |
| TDF | 65R+62V | 10 |
| TDF | 67NG+70R+219QENR | 10 |
| TDF | 70EG+184VI | 10 |
| TDF | V118I+41L+215FY | 5 |


