6QQ6
Cryo-EM structure of dimeric quinol dependent nitric oxide reductase (qNOR) Val495Ala mutant from Alcaligenes xylosoxidans
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Nitric oxide reductase subunit B | polymer | 746 | 83093.9 | 2 | UniProt (A0A0D6H8R3) | Alcaligenes xylosoxydans xylosoxydans (Achromobacter xylosoxidans) | |
| 2 | C, D, H, I (A, B) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 4 | Chemie (HEM) | |||
| 3 | E, J (A, B) | FE (III) ION | non-polymer | 55.8 | 2 | Chemie (FE) | |||
| 4 | F, K (A, B) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 5 | G, L, M (A, B) | (1R)-2-{[(R)-(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(DODECANOYLOXY)METHYL]ETHYL (9Z)-OCTADEC-9-ENOATE | non-polymer | 661.9 | 3 | Chemie (LOP) | |||
| 6 | N, O (B) | DODECYL-BETA-D-MALTOSIDE | non-polymer | 510.6 | 2 | Chemie (LMT) | |||
| 7 | P, Q (A, B) | water | water | 18.0 | 18 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 746 (UniProt: A0A0D6H8R3)
| PDB | External Database | Details |
|---|---|---|
| Gly 201 | Ala 201 | conflict |
| Ala 495 | Val 495 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 166187.9 | |
| Non-Polymers* | Number of molecules | 13 |
| Total formula weight | 5664.7 | |
| All* | Total formula weight | 171852.6 |
