1K2X
Crystal structure of putative asparaginase encoded by Escherichia coli ybiK gene
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C (A, C) | Putative L-asparaginase | polymer | 177 | 18958.7 | 2 | UniProt (P37595) Pfam (PF01112) | Escherichia coli | L-asparagine Amidohydrolase |
| 2 | B, D (B, D) | Putative L-asparaginase | polymer | 143 | 14428.1 | 2 | UniProt (P37595) Pfam (PF01112) | Escherichia coli | L-asparagine Amidohydrolase |
| 3 | E, J (A, C) | SODIUM ION | non-polymer | 23.0 | 2 | Chemie (NA) | |||
| 4 | F, G, H, I, K... (A, C, D) | CHLORIDE ION | non-polymer | 35.5 | 9 | Chemie (CL) | |||
| 5 | P, Q, R, S (A, B, C, D) | water | water | 18.0 | 575 | Chemie (HOH) |
Sequence modifications
A, C: 2 - 178 (UniProt: P37595)
| PDB | External Database | Details |
|---|---|---|
| Cme 63 | Cys 63 | modified residue |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 66773.7 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 365.1 | |
| All* | Total formula weight | 67138.7 |
