3PAQ
Surfactant Protein A neck and carbohydrate recognition domain (NCRD) complexed with alpha-methylmannose
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Pulmonary surfactant-associated protein A | polymer | 148 | 16672.6 | 1 | UniProt (P08427) Pfam (PF00059) In PDB | Rattus norvegicus (brown rat rat rats) | PSAP, PSP-A, SP-A |
| 2 | A | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 3 | A | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 4 | A | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 5 | A | methyl alpha-D-mannopyranoside | non-polymer | 194.2 | 1 | Chemie (MMA) | |||
| 6 | water | water | 18.0 | 62 | Chemie (HOH) |
Sequence modifications
A: 81 - 228 (UniProt: P08427)
| PDB | External Database | Details |
|---|---|---|
| Ser 187 | Asn 207 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 16672.6 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 353.3 | |
| All* | Total formula weight | 17025.9 |
