8QQ3
Streptavidin with a Ni-cofactor
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | Streptavidin | polymer | 159 | 16569.0 | 4 | UniProt (P22629) Pfam (PF01382) | Streptomyces avidinii | |
| 2 | E, G, I, K (A, B, C, D) | 4-[4-[(3~{a}~{S},4~{S},6~{a}~{R})-2-oxidanylidene-1,3,3~{a},4,6,6~{a}-hexahydrothieno[3,4-d]imidazol-4-yl]butylamino]-~{N}1,~{N}1'-di(quinolin-8-yl)cyclohexane-1,1-dicarboxamide | non-polymer | 637.8 | 4 | Chemie (WKF) | |||
| 3 | F, H, J (A, B, C) | NICKEL (II) ION | non-polymer | 58.7 | 3 | Chemie (NI) | |||
| 4 | L, M, N, O (A, B, C, D) | water | water | 18.0 | 394 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 15 - 159 (UniProt: P22629)
| PDB | External Database | Details |
|---|---|---|
| Met 1 | - | initiating methionine |
| Ala 2 | - | expression tag |
| Ser 3 | - | expression tag |
| Met 4 | - | expression tag |
| Thr 5 | - | expression tag |
| Gly 6 | - | expression tag |
| Gly 7 | - | expression tag |
| Gln 8 | - | expression tag |
| Gln 9 | - | expression tag |
| Met 10 | - | expression tag |
| Gly 11 | - | expression tag |
| Arg 12 | - | expression tag |
| Asp 13 | - | expression tag |
| Gln 14 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 66276.1 | |
| Non-Polymers* | Number of molecules | 7 |
| Total formula weight | 2727.3 | |
| All* | Total formula weight | 69003.4 |
