6I02
Structure of human D-glucuronyl C5 epimerase in complex with product
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) | D-glucuronyl C5-epimerase | polymer | 527 | 60294.4 | 2 | UniProt (O94923) Pfam (PF21174) Pfam (PF06662) | Homo sapiens (Human) | Heparan sulfate C5-epimerase,Hsepi,Heparin/heparan sulfate:glucuronic acid C5-epimerase,Heparosan-N-sulfate-glucuronate 5-epimerase |
| 2 | C (C) | alpha-L-idopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose | branched | 1687.4 | 1 | In PDB GlyTouCan (G45022OZ) | |||
| 3 | D (D) | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 1114.0 | 1 | In PDB GlyTouCan (G61751GZ) | |||
| 4 | E (E) | beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 586.5 | 1 | In PDB GlyTouCan (G15407YE) | |||
| 5 | F (F) | alpha-L-idopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-alpha-L-idopyranuronic acid | branched | 1446.2 | 1 | In PDB GlyTouCan (G40570LQ) | |||
| 6 | G (G) | alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 910.8 | 1 | In PDB GlyTouCan (G22768VO) | |||
| 7 | H (H) | alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 748.7 | 1 | In PDB GlyTouCan (G81315DD) | |||
| 8 | I (I) | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 424.4 | 1 | In PDB GlyTouCan (G42666HT) | |||
| 9 | J, U (A, B) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 10 | K (A) | 2-acetamido-2-deoxy-beta-D-glucopyranose | non-polymer | 221.2 | 1 | Chemie (NAG) | |||
| 11 | L, M, N, O, P... (A, B) | GLYCEROL | non-polymer | 92.1 | 11 | Chemie (GOL) | |||
| 12 | S (A) | 2-(N-MORPHOLINO)-ETHANESULFONIC ACID | non-polymer | 195.2 | 1 | Chemie (MES) | |||
| 13 | T (A) | HEXAETHYLENE GLYCOL | non-polymer | 282.3 | 1 | Chemie (P6G) | |||
| 14 | AA, Z (B, A) | water | water | 18.0 | 362 | Chemie (HOH) |
Sequence modifications
A, B: 98 - 617 (UniProt: O94923)
| PDB | External Database | Details |
|---|---|---|
| Asp 91 | - | expression tag |
| Tyr 92 | - | expression tag |
| Lys 93 | - | expression tag |
| Asp 94 | - | expression tag |
| Asp 95 | - | expression tag |
| Asp 96 | - | expression tag |
| Asp 97 | - | expression tag |
| Phe 578 | Tyr 578 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 120588.7 | |
| Branched | Number of molecules | 7 |
| Total formula weight | 6918.0 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 1792.0 | |
| All* | Total formula weight | 129298.7 |
