1CXK
COMPLEX BETWEEN A MALTONONAOSE SUBSTRATE AND BACILLUS CIRCULANS STRAIN 251 CGTASE E257Q/D229N
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | PROTEIN (CYCLODEXTRIN-GLYCOSYLTRANSFERASE) | polymer | 686 | 74573.5 | 1 | UniProt (P43379) Pfam (PF00128) Pfam (PF02806) Pfam (PF01833) Pfam (PF00686) | Bacillus circulans | CGTASE |
| 2 | B (B) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 342.3 | 1 | In PDB BIRD (PRD_900001) GlyTouCan (G07411ON) | alpha-maltose | ||
| 3 | C (C) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 1477.3 | 1 | In PDB GlyTouCan (G96412PU) | |||
| 4 | D, E (D, E) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 666.6 | 2 | In PDB BIRD (PRD_900010) GlyTouCan (G87171PZ) | alpha-maltotetraose | ||
| 5 | F, G (A) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 6 | H (A) | water | water | 18.0 | 633 | Chemie (HOH) |
Sequence modifications
A: 1 - 686 (UniProt: P43379)
| PDB | External Database | Details |
|---|---|---|
| Gln 257 | Glu 284 | engineered mutation |
| Asn 229 | Asp 256 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 74573.5 | |
| Branched | Number of molecules | 4 |
| Total formula weight | 3152.7 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 80.2 | |
| All* | Total formula weight | 77806.4 |
