1G16
CRYSTAL STRUCTURE OF SEC4-GDP
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, D (A, B, C, D) | RAS-RELATED PROTEIN SEC4 | polymer | 170 | 19305.6 | 4 | UniProt (P07560) Pfam (PF00071) | Saccharomyces cerevisiae (baker's yeast) | GTP-BINDING PROTEIN SEC4 |
| 2 | E, F, H, J, K... (A, B, C, D) | COBALT (II) ION | non-polymer | 58.9 | 8 | Chemie (CO) PubChem (104729) | |||
| 3 | G, I, L, P (A, B, C, D) | GUANOSINE-5'-DIPHOSPHATE | non-polymer | 443.2 | 4 | Chemie (GDP) PubChem (136073927) PubChem (135398619) PubChem (135402030) PubChem (135431654) PubChem (135566337) PubChem (135760556) PubChem (136026707) PubChem (136053418) PubChem (136663964) PubChem (136664748) PubChem (136759848) PubChem (136759849) PubChem (136759850) PubChem (136836636) PubChem (136847074) PubChem (172898537) | |||
| 4 | Q, R, S, T (A, B, C, D) | water | water | 18.0 | 328 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 18 - 187 (UniProt: P07560)
| PDB | External Database | Details |
|---|---|---|
| Mse 21 | Met 21 | modified residue |
| Ile 73 | Leu 73 | conflict |
| Mse 94 | Met 94 | modified residue |
| Ile 102 | Val 102 | conflict |
| Mse 137 | Met 137 | modified residue |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 77222.2 | |
| Non-Polymers* | Number of molecules | 12 |
| Total formula weight | 2244.3 | |
| All* | Total formula weight | 79466.5 |






