4M32
Crystal structure of gated-pore mutant D138N of second DNA-Binding protein under starvation from Mycobacterium smegmatis
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) | Putative starvation-induced DNA protecting protein/Ferritin and Dps | polymer | 168 | 18511.7 | 4 | UniProt (A0QXB7) Pfam (PF00210) | Mycobacterium smegmatis | Starvation-inducible DNA-binding protein or fine tangled pili major subunit |
| 2 | E, I, M (A, B, D) | MAGNESIUM ION | non-polymer | 24.3 | 3 | Chemie (MG) | |||
| 3 | F, J (A, B) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 4 | G, H, K, L (B, C) | FE (II) ION | non-polymer | 55.8 | 4 | Chemie (FE2) | |||
| 5 | N, O, P, Q (A, B, C, D) | water | water | 18.0 | 418 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 161 (UniProt: A0QXB7)
| PDB | External Database | Details |
|---|---|---|
| Met -6 | - | expression tag |
| Ala -5 | - | expression tag |
| Ser -4 | - | expression tag |
| Val -3 | - | expression tag |
| Gly -2 | - | expression tag |
| Leu -1 | - | expression tag |
| Val 0 | - | expression tag |
| Asn 138 | Asp 138 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 74046.8 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 367.2 | |
| All* | Total formula weight | 74414.0 |
