8DRD
Ni(II)-bound B2 dimer (H60/H100/H104)
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)  | Soluble cytochrome b562 | polymer | 106 | 11843.3 | 2 | UniProt (P0ABE7) Pfam (PF07361)  | Escherichia coli | Cytochrome b-562 | 
| 2 | C, F (A, B)  | HEME C | non-polymer | 618.5 | 2 | Chemie (HEC) | |||
| 3 | D, G (A, B)  | NICKEL (II) ION | non-polymer | 58.7 | 2 | Chemie (NI) | |||
| 4 | E (B)  | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 1 | Chemie (MPD) | |||
| 5 | H, I (A, B)  | water | water | 18.0 | 79 | Chemie (HOH) | 
Sequence modifications
A, B: 1 - 106 (UniProt: P0ABE7)
| PDB | External Database | Details | 
|---|---|---|
| Trp 59 | Lys 81 | conflict | 
| His 60 | Asp 82 | engineered mutation | 
| Cys 96 | Thr 118 | conflict | 
| Cys 98 | Arg 120 | conflict | 
| His 100 | Ala 122 | engineered mutation | 
| Cys 101 | Tyr 123 | conflict | 
| His 104 | Lys 126 | engineered mutation | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 | 
| Total formula weight | 23686.6 | |
| Non-Polymers* | Number of molecules | 5 | 
| Total formula weight | 1472.6 | |
| All* | Total formula weight | 25159.2 | 






