2GGU
crystal structure of the trimeric neck and carbohydrate recognition domain of human surfactant protein D in complex with maltotriose
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 |
| 2 | D, E, F | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 504.4 | 3 | In PDB BIRD (PRD_900009) GlyTouCan (G96370VA) | alpha-maltotriose | ||
| 3 | A, B, C | CALCIUM ION | non-polymer | 40.1 | 9 | Chemie (CA) | |||
| 4 | water | water | 18.0 | 275 | Chemie (HOH) |
Sequence modifications
A, B, C: 203 - 355 (UniProt: P35247)
| PDB | External Database | Details |
|---|---|---|
| Ala 196 | - | cloning artifact |
| Met 197 | - | cloning artifact |
| Ala 198 | - | cloning artifact |
| Asp 199 | - | cloning artifact |
| Ile 200 | - | cloning artifact |
| Gly 201 | - | cloning artifact |
| Ser 202 | - | cloning artifact |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 51816.6 | |
| Branched | Number of molecules | 3 |
| Total formula weight | 1513.3 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 360.7 | |
| All* | Total formula weight | 53690.6 |
