2EQB
Crystal structure of the Rab GTPase Sec4p, the Sec2p GEF domain, and phosphate complex
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Ras-related protein SEC4 | polymer | 174 | 19447.2 | 1 | UniProt (P07560) Pfam (PF00071) | Saccharomyces cerevisiae (baker's yeast) | Suppressor of RHO3 protein 6, Rab GTPase Sec4p |
| 2 | B, C (B, C) | Rab guanine nucleotide exchange factor SEC2 | polymer | 97 | 11391.6 | 2 | UniProt (P17065) Pfam (PF06428) | Saccharomyces cerevisiae (baker's yeast) | GDP-GTP exchange factor SEC2 |
| 3 | D, E (A, C) | PHOSPHATE ION | non-polymer | 95.0 | 2 | Chemie (PO4) | |||
| 4 | F, G, H (A, B, C) | water | water | 18.0 | 114 | Chemie (HOH) |
Sequence modifications
A: 19 - 187 (UniProt: P07560)
B, C: 51 - 142 (UniProt: P17065)
| PDB | External Database | Details |
|---|---|---|
| Gly 14 | - | cloning artifact |
| Pro 15 | - | cloning artifact |
| Leu 16 | - | cloning artifact |
| Gly 17 | - | cloning artifact |
| Ser 18 | - | cloning artifact |
| PDB | External Database | Details |
|---|---|---|
| Gly 46 | - | cloning artifact |
| Pro 47 | - | cloning artifact |
| Leu 48 | - | cloning artifact |
| Gly 49 | - | cloning artifact |
| Ser 50 | - | cloning artifact |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 42230.3 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 189.9 | |
| All* | Total formula weight | 42420.3 |






