9OJQ
Crystal structure of E. coli ApaH in complex with ADP, active state
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)  | Bis(5'-nucleosyl)-tetraphosphatase [symmetrical] | polymer | 286 | 32160.5 | 2 | UniProt (P05637) Pfam (PF00149)  | Escherichia coli K-12 | Ap4A hydrolase,Diadenosine 5',5'''-P1,P4-tetraphosphate pyrophosphohydrolase,Diadenosine tetraphosphatase | 
| 2 | C, K (A, B)  | ADENOSINE-5'-DIPHOSPHATE | non-polymer | 427.2 | 2 | Chemie (ADP) | |||
| 3 | D, F, L, N (A, B)  | MANGANESE (II) ION | non-polymer | 54.9 | 4 | Chemie (MN) | |||
| 4 | E, M (A, B)  | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 5 | G, H, I, O, P... (A, B)  | SULFATE ION | non-polymer | 96.1 | 6 | Chemie (SO4) | |||
| 6 | J (B)  | 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID | non-polymer | 238.3 | 1 | Chemie (EPE) | |||
| 7 | R, S (A, B)  | water | water | 18.0 | 467 | Chemie (HOH) | 
Sequence modifications
A, B: 1 - 280 (UniProt: P05637)
| PDB | External Database | Details | 
|---|---|---|
| His 281 | - | expression tag | 
| His 282 | - | expression tag | 
| His 283 | - | expression tag | 
| His 284 | - | expression tag | 
| His 285 | - | expression tag | 
| His 286 | - | expression tag | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 | 
| Total formula weight | 64321.1 | |
| Non-Polymers* | Number of molecules | 15 | 
| Total formula weight | 1937.4 | |
| All* | Total formula weight | 66258.5 | 






