1G94
CRYSTAL STRUCTURE ANALYSIS OF THE TERNARY COMPLEX BETWEEN PSYCHROPHILIC ALPHA AMYLASE FROM PSEUDOALTEROMONAS HALOPLANCTIS IN COMPLEX WITH A HEPTA-SACCHARIDE AND A TRIS MOLECULE
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | ALPHA-AMYLASE | polymer | 448 | 48947.4 | 1 | UniProt (P29957) Pfam (PF00128) Pfam (PF02806) | Pseudoalteromonas haloplanktis | 1,4-ALPHA-D-GLUCAN GLUCANOHYDROLASE |
| 2 | B (B) | 4,6-dideoxy-4-{[(1S,5R,6S)-3-formyl-5,6-dihydroxy-4-oxocyclohex-2-en-1-yl]amino}-alpha-D-xylo-hex-5-enopyranose-(1-4)-alpha-D-glucopyranose | branched | 477.4 | 1 | ||||
| 3 | C (C) | 4,6-dideoxy-4-{[(1S,5R,6S)-3-formyl-5,6-dihydroxy-4-oxocyclohex-2-en-1-yl]amino}-alpha-D-xylo-hex-5-enopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 639.6 | 1 | ||||
| 4 | D (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 5 | E (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 6 | F (A) | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 1 | Chemie (TRS) | |||
| 7 | G (A) | water | water | 18.0 | 286 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 48947.4 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 1117.0 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 197.7 | |
| All* | Total formula weight | 50262.1 |
