3GVJ
Crystal structure of an endo-neuraminidaseNF mutant
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Endo-N-acetylneuraminidase | polymer | 670 | 74456.3 | 1 | UniProt (Q858B1) Pfam (PF12218) Pfam (PF12217) Pfam (PF12195) Pfam (PF12219) UniProt (by SIFTS) (Q04830) | Enterobacteria phage K1F (Bacteriophage K1F) | Endo-alpha-sialidase, Gp17 protein |
| 2 | B (B) | N-acetyl-alpha-neuraminic acid-(2-8)-N-acetyl-alpha-neuraminic acid-(2-8)-N-acetyl-alpha-neuraminic acid-(2-8)-N-acetyl-alpha-neuraminic acid-(2-8)-N-acetyl-beta-neuraminic acid | branched | 1474.3 | 1 | In PDB GlyTouCan (G68326AM) | |||
| 3 | C (C) | N-acetyl-alpha-neuraminic acid-(2-8)-N-acetyl-alpha-neuraminic acid-(2-8)-N-acetyl-alpha-neuraminic acid-(2-8)-N-acetyl-beta-neuraminic acid | branched | 1183.0 | 1 | In PDB GlyTouCan (G55653KB) | |||
| 4 | D (A) | water | water | 18.0 | 850 | Chemie (HOH) |
Sequence modifications
A: 246 - 910 (UniProt: Q858B1)
| PDB | External Database | Details |
|---|---|---|
| Val 241 | - | expression tag |
| Pro 242 | - | expression tag |
| Arg 243 | - | expression tag |
| Gly 244 | - | expression tag |
| Ser 245 | - | expression tag |
| Ala 647 | Arg 647 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 74456.3 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 2657.3 | |
| All* | Total formula weight | 77113.7 |
