2C3W
Structure of CBM25 from Bacillus halodurans amylase in complex with maltotetraose
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B, C, D (A, B, C, D) | ALPHA-AMYLASE G-6 | polymer | 102 | 11143.1 | 4 | UniProt (Q9KFR4) Pfam (PF03423) | BACILLUS HALODURANS | FAMILY 25 CARBOHYDRATE-BINDING MODULE |
2 | E, F, H, I, J... (E, F, H, I, J...) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 666.6 | 8 | In PDB BIRD (PRD_900010) GlyTouCan (G87171PZ) | alpha-maltotetraose | ||
3 | G (G) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 504.4 | 1 | In PDB BIRD (PRD_900009) GlyTouCan (G96370VA) | alpha-maltotriose | ||
4 | N, O, P, Q (A, B, C, D) | SULFATE ION | non-polymer | 96.1 | 4 | Chemie (SO4) | |||
5 | R, S, T, U (A, B, C, D) | water | water | 18.0 | 783 | Chemie (HOH) |
Sequence modifications
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 4 |
Total formula weight | 44572.3 | |
Branched | Number of molecules | 9 |
Total formula weight | 5837.1 | |
Non-Polymers* | Number of molecules | 4 |
Total formula weight | 384.3 | |
All* | Total formula weight | 50793.6 |