1PWB
High resolution crystal structure of an active recombinant fragment of human lung surfactant protein D with maltose
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 | 177 | 18835.0 | 3 | UniProt (P35247) Pfam (PF01391) Pfam (PF09006) Pfam (PF00059) In PDB | Homo sapiens (human) | SP-D, PSP-D |
| 2 | D | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 342.3 | 1 | In PDB BIRD (PRD_900001) GlyTouCan (G07411ON) | alpha-maltose | ||
| 3 | A, B, C | CALCIUM ION | non-polymer | 40.1 | 9 | Chemie (CA) | |||
| 4 | B, C | alpha-D-glucopyranose | non-polymer | 180.2 | 2 | Chemie (GLC) | |||
| 5 | water | water | 18.0 | 506 | 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 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 342.3 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 721.0 | |
| All* | Total formula weight | 57568.2 |
