3IKR
Crystal structure of alpha 1-4 mannobiose bound trimeric human lung surfactant protein D
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) | Pulmonary surfactant-associated protein D | polymer | 177 | 18835.0 | 3 | UniProt (P35247) Pfam (PF01391) Pfam (PF09006) Pfam (PF00059) | Homo sapiens (human) | SP-D, PSP-D, Lung surfactant protein D |
| 2 | D, E, F, G, I... (A, B, C) | CALCIUM ION | non-polymer | 40.1 | 10 | Chemie (CA) | |||
| 3 | H, L, P (A, B, C) | alpha-D-mannopyranose | non-polymer | 180.2 | 3 | Chemie (MAN) | |||
| 4 | Q, R, S (A, B, C) | water | water | 18.0 | 519 | Chemie (HOH) |
Sequence modifications
A, B, C: 179 - 355 (UniProt: P35247)
| PDB | External Database | Details |
|---|---|---|
| Ser 180 | Pro 200 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 56504.9 | |
| Non-Polymers* | Number of molecules | 13 |
| Total formula weight | 941.2 | |
| All* | Total formula weight | 57446.1 |
