5A8O
Crystal structure of beta-glucanase SdGluc5_26A from Saccharophagus degradans in complex with cellotetraose
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A | PUTATIVE RETAINING B-GLYCOSIDASE | polymer | 365 | 42095.7 | 1 | UniProt (Q21KE5) Pfam (PF00150) In PDB | SACCHAROPHAGUS DEGRADANS 2-40 | SDGLUC5_26A |
2 | B | beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose | branched | 666.6 | 1 | In PDB BIRD (PRD_900011) GlyTouCan (G00025MO) | beta-cellotetraose | ||
3 | A | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
4 | A | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
5 | A | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
6 | A | GLYCEROL | non-polymer | 92.1 | 3 | Chemie (GOL) | |||
7 | A | TRIETHYLENE GLYCOL | non-polymer | 150.2 | 6 | Chemie (PGE) | |||
8 | water | water | 18.0 | 291 | Chemie (HOH) |
Sequence modifications
A: 1 - 365 (UniProt: Q21KE5)
PDB | External Database | Details |
---|---|---|
Arg 82 | Gln 82 | cloning artifact |
Gln 176 | Lys 176 | cloning artifact |
Gln 291 | Glu 291 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 1 |
Total formula weight | 42095.7 | |
Branched | Number of molecules | 1 |
Total formula weight | 666.6 | |
Non-Polymers* | Number of molecules | 13 |
Total formula weight | 1429.2 | |
All* | Total formula weight | 44191.5 |