3G81
Crystal structure of the trimeric neck and carbohydrate recognition domain of human surfactant protein D in complex with alpha methyl mannoside
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 | Pulmonary surfactant-associated protein D | polymer | 160 | 17272.2 | 3 | UniProt (P35247) Pfam (PF09006) Pfam (PF00059) In PDB | Homo sapiens (Human) | SP-D, PSP-D, Lung surfactant protein D |
| 2 | A, B, C | CALCIUM ION | non-polymer | 40.1 | 9 | Chemie (CA) | |||
| 3 | A, B, C | methyl alpha-D-mannopyranoside | non-polymer | 194.2 | 3 | Chemie (MMA) | |||
| 4 | water | water | 18.0 | 613 | Chemie (HOH) |
Sequence modifications
A, B, C: 203 - 355 (UniProt: P35247)
| PDB | External Database | Details |
|---|---|---|
| Ala 196 | - | expression tag |
| Met 197 | - | expression tag |
| Ala 198 | - | expression tag |
| Asp 199 | - | expression tag |
| Ile 200 | - | expression tag |
| Gly 201 | - | expression tag |
| Ser 202 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 51816.6 | |
| Non-Polymers* | Number of molecules | 12 |
| Total formula weight | 943.2 | |
| All* | Total formula weight | 52759.9 |
