2D20
Crystal structure of michaelis complex of catalytic-site mutant xylanase from Streptomyces olivaceoviridis E-86
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) | ENDO-1,4-BETA-D-XYLANASE | polymer | 436 | 46773.2 | 2 | UniProt (Q7SI98) Pfam (PF00331) Pfam (PF00652) | Streptomyces olivaceoviridis | Glycoside Hydrolase Family 10 Xylanase |
| 2 | C, D (C, D) | alpha-D-xylopyranose-(1-4)-alpha-D-xylopyranose | branched | 282.2 | 2 | In PDB GlyTouCan (G92719DV) | |||
| 3 | E, I (A, B) | P-NITROPHENOL | non-polymer | 139.1 | 2 | Chemie (NPO) | |||
| 4 | F, G, H, J, K... (A, B) | GLYCEROL | non-polymer | 92.1 | 7 | Chemie (GOL) | |||
| 5 | N, O (A, B) | water | water | 18.0 | 825 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 436 (UniProt: Q7SI98)
| PDB | External Database | Details |
|---|---|---|
| Ser 127 | Asn 127 | engineered mutation |
| His 128 | Glu 128 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 93546.5 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 564.5 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 922.9 | |
| All* | Total formula weight | 95033.8 |
