8E9Q
Crystal structure of E. coli aspartate aminotransferase mutant HEX bound to maleic acid at 278 K
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | Aspartate aminotransferase | polymer | 406 | 44794.5 | 2 | UniProt (P00509) Pfam (PF00155) In PDB | Escherichia coli | AspAT,Transaminase A |
2 | A, B | PYRIDOXAL-5'-PHOSPHATE | non-polymer | 247.1 | 2 | Chemie (PLP) | |||
3 | A, B | MALEIC ACID | non-polymer | 116.1 | 2 | Chemie (MAE) | |||
4 | water | water | 18.0 | 437 | Chemie (HOH) |
Sequence modifications
A, B: 2 - 396 (UniProt: P00509)
PDB | External Database | Details |
---|---|---|
Met -9 | - | initiating methionine |
Ala -8 | - | expression tag |
His -7 | - | expression tag |
His -6 | - | expression tag |
His -5 | - | expression tag |
His -4 | - | expression tag |
His -3 | - | expression tag |
His -2 | - | expression tag |
Val -1 | - | expression tag |
Gly 0 | - | expression tag |
Thr 1 | - | expression tag |
Leu 35 | Val 35 | engineered mutation |
Tyr 37 | Lys 37 | engineered mutation |
Ile 43 | Thr 43 | engineered mutation |
Leu 64 | Asn 64 | engineered mutation |
Ser 104 | Thr 104 | engineered mutation |
Ser 285 | Asn 285 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 89589.1 | |
Non-Polymers* | Number of molecules | 4 |
Total formula weight | 726.4 | |
All* | Total formula weight | 90315.5 |