4K19
The structure of Human Siderocalin bound to the bacterial siderophore fluvibactin
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 (A, B, C) | Neutrophil gelatinase-associated lipocalin | polymer | 180 | 20700.6 | 3 | UniProt (P80188) Pfam (PF00061) | Homo sapiens (human) | NGAL, 25 kDa alpha-2-microglobulin-related subunit of MMP-9, Lipocalin-2, Oncogene 24p3, Siderocalin LCN2, p25 |
| 2 | D, J, L (A, B, C) | FE (III) ION | non-polymer | 55.8 | 3 | Chemie (FE) | |||
| 3 | E, H, Q (A, C) | GLYCEROL | non-polymer | 92.1 | 3 | Chemie (GOL) | |||
| 4 | F, M (A, C) | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
| 5 | G, N (A, C) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 6 | I, K, R (A, B, C) | (4S,5R)-N,N-bis{3-[(2,3-dihydroxybenzoyl)amino]propyl}-2-(2,3-dihydroxyphenyl)-5-methyl-4,5-dihydro-1,3-oxazole-4-carboxamide | non-polymer | 622.6 | 3 | Chemie (1OD) | |||
| 7 | O, P (C) | SODIUM ION | non-polymer | 23.0 | 2 | Chemie (NA) | |||
| 8 | S, T, U (A, B, C) | water | water | 18.0 | 67 | Chemie (HOH) |
Sequence modifications
A, B, C: 1 - 178 (UniProt: P80188)
| PDB | External Database | Details |
|---|---|---|
| Gly -1 | - | expression tag |
| Ser 0 | - | expression tag |
| Ser 87 | Cys 107 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 62101.7 | |
| Non-Polymers* | Number of molecules | 15 |
| Total formula weight | 2620.7 | |
| All* | Total formula weight | 64722.4 |
