2XTZ
Crystal structure of the G alpha protein AtGPA1 from Arabidopsis thaliana
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 | GUANINE NUCLEOTIDE-BINDING PROTEIN ALPHA-1 SUBUNIT | polymer | 354 | 41075.1 | 3 | UniProt (P18064) Pfam (PF00503) In PDB | ARABIDOPSIS THALIANA (MOUSE-EAR CRESS) | |
| 2 | A, B, C | MAGNESIUM ION | non-polymer | 24.3 | 3 | Chemie (MG) | |||
| 3 | A, B, C | 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE | non-polymer | 539.2 | 3 | Chemie (GSP) | |||
| 4 | A, B, C | CHLORIDE ION | non-polymer | 35.5 | 4 | Chemie (CL) | |||
| 5 | A, B, C | SULFATE ION | non-polymer | 96.1 | 5 | Chemie (SO4) | |||
| 6 | water | water | 18.0 | 249 | Chemie (HOH) |
Sequence modifications
A, B, C: 37 - 383 (UniProt: P18064)
| PDB | External Database | Details |
|---|---|---|
| Gly 30 | - | expression tag |
| Ala 31 | - | expression tag |
| Met 32 | - | expression tag |
| Gly 33 | - | expression tag |
| Ser 34 | - | expression tag |
| Gly 35 | - | expression tag |
| Ile 36 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 123225.3 | |
| Non-Polymers* | Number of molecules | 15 |
| Total formula weight | 2312.8 | |
| All* | Total formula weight | 125538.0 |
