1QHO
FIVE-DOMAIN ALPHA-AMYLASE FROM BACILLUS STEAROTHERMOPHILUS, MALTOSE/ACARBOSE COMPLEX
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | ALPHA-AMYLASE | polymer | 686 | 75214.8 | 1 | UniProt (P19531) Pfam (PF00128) Pfam (PF02806) Pfam (PF01833) Pfam (PF00686) In PDB | Geobacillus stearothermophilus | "MALTOGENIC" ALPHA AMYLASE |
| 2 | B, C | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 342.3 | 2 | In PDB BIRD (PRD_900001) GlyTouCan (G07411ON) | alpha-maltose | ||
| 3 | D | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-4-amino-4,6-dideoxy-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose | branched | 973.9 | 1 | In PDB BIRD (PRD_900060) GlyTouCan (G53288JP) | acarbose-derived hexasaccharide | ||
| 4 | A | CALCIUM ION | non-polymer | 40.1 | 3 | Chemie (CA) | |||
| 5 | A | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 6 | water | water | 18.0 | 1106 | Chemie (HOH) |
Sequence modifications
A: 1 - 686 (UniProt: P19531)
| PDB | External Database | Details |
|---|---|---|
| Asp 76 | Asn 109 | conflict |
| Gly 221 | - | insertion |
| Ala 222 | - | insertion |
| Asp 223 | - | insertion |
| - | Lys 369 | deletion |
| - | Arg 377 | deletion |
| Ala 346 | Leu 378 | conflict |
| Ala 348 | Ser 380 | conflict |
| Ile 350 | Ser 382 | conflict |
| Thr 352 | - | insertion |
| Ser 353 | - | insertion |
| - | Val 386 | deletion |
| Thr 356 | Arg 387 | conflict |
| Ser 358 | Pro 389 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 75214.8 | |
| Branched | Number of molecules | 3 |
| Total formula weight | 1658.5 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 216.3 | |
| All* | Total formula weight | 77089.6 |
