Table II.
Distances for selected hydrogen bonds in the β3 sheet and K’ helix measured from crystallographic structures of CYP101A1 with bound camphor (RCSB PDB entry 2CPP)19, adamantanone (entry 5CPP)16 and norcamphor (entry 7CPP)16. Water numbering is from 2CPP.
| H-donor | H-acceptor | Distance (A) camphor | Distance (A) adamananone | Distance (A) norcamphor |
|---|---|---|---|---|
| M323 N | V295 O | 3.0 | 3.0 | 3.0 |
| WAT 535 | M323 O | 2.6 | 2.6 | 3.0 |
| G326 N | WAT 535 | 3.2 | 3.2 | 3.2 |
| G326 N | WAT 506 | 3.0 | 3.1 | 3.1 |
| S325 Oγ | T348 Oγ1 | 3.0 | 2.8 | 2.9 |
| R290 Nη1 | G326 O | 2.9 | 2.8 | 2.8 |
| N332 Nδ | G326 O | 2.9 | 2.9 | 2.8 |
| N332 N | D328 O | 2.9 | 2.8 | 2.8 |
| L327 N | L324 O | 3.2 | 3.0 | 3.1 |
| D328 N | L324 O | 3.2 | 3.3 | 3.2 |