7UUR
The 1.67 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 (C, F) | Hydrogenase-2, large subunit | polymer | 513 | 57217.1 | 2 | UniProt (A0QUM7) Pfam (PF00374) | Mycolicibacterium smegmatis MC2 155 | |
| 2 | B, D (D, G) | Hydrogenase-2, small subunit | polymer | 322 | 35072.0 | 2 | UniProt (I7G634) Pfam (PF01058) Pfam (PF14720) UniProt (by SIFTS) (A0QUM6) | Mycolicibacterium smegmatis MC2 155 | NADH ubiquinone oxidoreductase 20 kDa subunit |
| 3 | E, M (C, F) | NICKEL (III) ION | non-polymer | 58.7 | 2 | Chemie (3NI) | |||
| 4 | F, N (C, F) | CARBONMONOXIDE-(DICYANO) IRON | non-polymer | 135.9 | 2 | Chemie (FCO) | |||
| 5 | G, O (C, F) | HYDROXIDE ION | non-polymer | 17.0 | 2 | Chemie (OH) | |||
| 6 | H, P (C, F) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 7 | I, Q (D, G) | MENADIONE | non-polymer | 172.2 | 2 | Chemie (VK3) | |||
| 8 | J, K, L, R, S... (D, G) | FE3-S4 CLUSTER | non-polymer | 295.8 | 6 | Chemie (F3S) | |||
| 9 | U, V, W, X (C, D, F, G) | water | water | 18.0 | 603 | Chemie (HOH) |
Sequence modifications
C, F: 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 | 2590.9 | |
| All* | Total formula weight | 187169.1 |
