8DQV
The 1.52 angstrom CryoEM structure of the [NiFe]-hydrogenase Huc from Mycobacterium smegmatis - catalytic dimer (Huc2S2L)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C (A, C) | Hydrogenase-2, large subunit | polymer | 513 | 57217.1 | 2 | UniProt (A0QUM7) Pfam (PF00374) | Mycolicibacterium smegmatis | |
| 2 | B, D (B, D) | Hydrogenase-2, small subunit | polymer | 322 | 35072.0 | 2 | UniProt (I7G634) Pfam (PF01058) Pfam (PF14720) UniProt (by SIFTS) (A0QUM6) | Mycolicibacterium smegmatis | NADH ubiquinone oxidoreductase 20 kDa subunit |
| 3 | E, M (A, C) | OXYGEN ATOM | non-polymer | 16.0 | 2 | Chemie (O) | |||
| 4 | F, N (A, C) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 5 | G, O (A, C) | CARBONMONOXIDE-(DICYANO) IRON | non-polymer | 135.9 | 2 | Chemie (FCO) | |||
| 6 | H, P (A, C) | NICKEL (III) ION | non-polymer | 58.7 | 2 | Chemie (3NI) | |||
| 7 | I, Q (B, D) | MENADIONE | non-polymer | 172.2 | 2 | Chemie (VK3) | |||
| 8 | J, K, L, R, S... (B, D) | FE3-S4 CLUSTER | non-polymer | 295.8 | 6 | Chemie (F3S) | |||
| 9 | U, V, W, X (A, B, C, D) | water | water | 18.0 | 596 | Chemie (HOH) |
Sequence modifications
A, C: 4 - 516 (UniProt: A0QUM7)
| PDB | External Database | Details |
|---|---|---|
| Dhi 166 | His 166 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 184578.1 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 2588.9 | |
| All* | Total formula weight | 187167.0 |
