4PYH
Phospho-glucan bound structure of starch phosphatase Starch EXcess4 reveals the mechanism for C6-specificty
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Phosphoglucan phosphatase DSP4, chloroplastic | polymer | 294 | 33512.3 | 1 | UniProt (Q9FEB5) Pfam (PF00782) Pfam (PF16561) | Arabidopsis thaliana (mouse-ear cress thale-cress) | AtPTPKIS1, Dual specificity protein phosphatase 4, Protein STARCH-EXCESS 4, AtSEX4 |
| 2 | B (B) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 990.9 | 1 | In PDB BIRD (PRD_900035) GlyTouCan (G91368RN) | alpha-maltohexaose | ||
| 3 | C (A) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 4 | D (A) | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) | |||
| 5 | E (A) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 6 | F (A) | water | water | 18.0 | 354 | Chemie (HOH) |
Sequence modifications
A: 90 - 379 (UniProt: Q9FEB5)
| PDB | External Database | Details |
|---|---|---|
| Gly 86 | - | expression tag |
| Ser 87 | - | expression tag |
| His 88 | - | expression tag |
| Met 89 | - | expression tag |
| Ser 198 | Cys 198 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 33512.3 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 990.9 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 211.4 | |
| All* | Total formula weight | 34714.5 |
