2X61
Crystal structure of the sialyltransferase CST-II in complex with trisaccharide acceptor and CMP
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | ALPHA-2,3-/2,8-SIALYLTRANSFERASE | polymer | 258 | 30403.5 | 2 | UniProt (Q9LAK3) Pfam (PF06002) | CAMPYLOBACTER JEJUNI | ALPHA-2\,3/8-SIALYLTRANSFERASE, SIALYLTRANSFERASE CST-II |
| 2 | C, D (C, D) | N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-galactopyranose | branched | 674.6 | 2 | In PDB GlyTouCan (G02684WR) | |||
| 3 | E, H, L (A, B) | ACETATE ION | non-polymer | 59.0 | 3 | Chemie (ACT) | |||
| 4 | F (A) | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 1 | Chemie (MPD) | |||
| 5 | G, J (A, B) | N3-PROTONATED CYTIDINE-5'-MONOPHOSPHATE | non-polymer | 324.2 | 2 | Chemie (CH) | |||
| 6 | I, K (A, B) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 2 | Chemie (EDO) | |||
| 7 | M, N (A, B) | water | water | 18.0 | 263 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 258 (UniProt: Q9LAK3)
| PDB | External Database | Details |
|---|---|---|
| Ser 53 | Ile 53 | engineered mutation |
| Gly 222 | Glu 222 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 60807.1 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 1349.2 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 1067.9 | |
| All* | Total formula weight | 63224.1 |
