6CKK
N. meningitidis CMP-sialic acid synthetase in the presence of CTP and Ca2+
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | N-acylneuraminate cytidylyltransferase | polymer | 228 | 24920.4 | 2 | UniProt (P0A0Z8) Pfam (PF02348) In PDB | Neisseria meningitidis | CMP-N-acetylneuraminic acid synthase,CMP-NeuNAc synthase,CMP-sialic acid synthase |
| 2 | A, B | CYTIDINE-5'-TRIPHOSPHATE | non-polymer | 483.2 | 2 | Chemie (CTP) | |||
| 3 | A, B | CALCIUM ION | non-polymer | 40.1 | 3 | Chemie (CA) | |||
| 4 | water | water | 18.0 | 680 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 49840.8 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 1086.5 | |
| All* | Total formula weight | 50927.4 |
