1CT9
CRYSTAL STRUCTURE OF ASPARAGINE SYNTHETASE B FROM ESCHERICHIA COLI
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) | ASPARAGINE SYNTHETASE B | polymer | 553 | 62575.7 | 4 | UniProt (ASNB_ECOLI) Pfam (PF13537) Pfam (PF00733) UniProt (by SIFTS) (P22106) | Escherichia coli | |
| 2 | AA, BA, CA, E, F... (D, A, B, C) | URANYL (VI) ION | non-polymer | 270.0 | 16 | Chemie (IUM) | |||
| 3 | DA, I, P, W (D, A, B, C) | CHLORIDE ION | non-polymer | 35.5 | 4 | Chemie (CL) | |||
| 4 | EA, J, Q, X (D, A, B, C) | ADENOSINE MONOPHOSPHATE | non-polymer | 347.2 | 4 | Chemie (AMP) | |||
| 5 | FA, K, R, Y (D, A, B, C) | GLUTAMINE | non-polymer | 146.1 | 4 | Chemie (GLN) | |||
| 6 | GA, HA, IA, JA (A, B, C, D) | water | water | 18.0 | 1046 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 553 (UniProt: null)
| PDB | External Database | Details |
|---|---|---|
| Ala 1 | Cys 2 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 250302.7 | |
| Non-Polymers* | Number of molecules | 28 |
| Total formula weight | 6435.7 | |
| All* | Total formula weight | 256738.4 |
