1ZJ0
Crystal Structure of Human Galactosyltransferase (GTB) Complexed with Lactose
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | ABO blood group (transferase A, alpha 1-3-N-acetylgalactosaminyltransferase; transferase B, alpha 1-3-galactosyltransferase) | polymer | 293 | 34156.4 | 1 | UniProt (P16442) Pfam (PF03414) In PDB | Homo sapiens (human) | |
| 2 | B | beta-D-galactopyranose-(1-4)-alpha-D-glucopyranose | branched | 342.3 | 1 | In PDB BIRD (PRD_900008) GlyTouCan (G88362QR) | alpha-lactose | ||
| 3 | A | MERCURY (II) ION | non-polymer | 200.6 | 5 | Chemie (HG) | |||
| 4 | A | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 5 | water | water | 18.0 | 226 | Chemie (HOH) |
Sequence modifications
A: 64 - 354 (UniProt: P16442)
| PDB | External Database | Details |
|---|---|---|
| Phe 62 | - | cloning artifact |
| Met 63 | - | cloning artifact |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 34156.4 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 342.3 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 1038.4 | |
| All* | Total formula weight | 35537.1 |
