1R13
Carbohydrate recognition and neck domains of surfactant protein A (SP-A)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Pulmonary surfactant-associated protein A | polymer | 148 | 16672.6 | 1 | UniProt (P08427) Pfam (PF00059) | Rattus norvegicus (Norway rat) | SP-A, PSP-A, PSAP |
| 2 | B (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 3 | C (A) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 4 | D (A) | 2-(N-MORPHOLINO)-ETHANESULFONIC ACID | non-polymer | 195.2 | 1 | Chemie (MES) | |||
| 5 | E (A) | water | water | 18.0 | 117 | 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 | 3 |
| Total formula weight | 331.4 | |
| All* | Total formula weight | 17004.0 |
