1Y5L
The crystal structure of the NarGHI mutant NarI-H66Y
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Respiratory nitrate reductase 1 alpha chain | polymer | 1246 | 140526.8 | 1 | UniProt (P09152) Pfam (PF14710) Pfam (PF00384) Pfam (PF01568) | Escherichia coli | NarG, Nitrate reductase A alpha subunit, Quinol-nitrate oxidoreductase alpha subunit |
| 2 | B (B) | Respiratory nitrate reductase 1 beta chain | polymer | 512 | 58140.3 | 1 | UniProt (P11349) Pfam (PF13247) Pfam (PF14711) | Escherichia coli | NarH, Nitrate reductase A beta subunit, Quinol-nitrate oxidoreductase beta subunit |
| 3 | C (C) | Respiratory nitrate reductase 1 gamma chain | polymer | 225 | 25577.4 | 1 | UniProt (P11350) Pfam (PF02665) | Escherichia coli | NarI, Nitrate reductase A gamma subunit, Quinol-nitrate oxidoreductase gamma subunit, Cytochrome B-NR |
| 4 | D, E (A) | PHOSPHORIC ACID 4-(2-AMINO-4-OXO-3,4,5,6,-TETRAHYDRO-PTERIDIN-6-YL)-2-HYDROXY-3,4-DIMERCAPTO-BUT-3-EN-YL ESTER GUANYLATE ESTER | non-polymer | 740.6 | 2 | Chemie (MD1) | |||
| 5 | F (A) | MOLYBDENUM(VI) ION | non-polymer | 95.9 | 1 | Chemie (6MO) | |||
| 6 | G, I, J, K (A, B) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 4 | Chemie (SF4) | |||
| 7 | H (A) | 1,2-DIACYL-GLYCEROL-3-SN-PHOSPHATE | non-polymer | 705.0 | 1 | Chemie (3PH) | |||
| 8 | L (B) | FE3-S4 CLUSTER | non-polymer | 295.8 | 1 | Chemie (F3S) | |||
| 9 | M (C) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 1 | Chemie (HEM) | |||
| 10 | N, O, P (A, B, C) | water | water | 18.0 | 351 | Chemie (HOH) |
Sequence modifications
C: 1 - 225 (UniProt: P11350)
| PDB | External Database | Details |
|---|---|---|
| Fme 1 | Met 1 | modified residue |
| Tyr 66 | His 66 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 224244.5 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 4600.9 | |
| All* | Total formula weight | 228845.4 |
