1MXG
Crystal Structure of a (Ca,Zn)-dependent alpha-amylase from the hyperthermophilic archaeon Pyrococcus woesei in complex with acarbose
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 | 435 | 50228.7 | 1 | UniProt (O08452) Pfam (PF00128) Pfam (PF09154) UniProt (by SIFTS) (Q7LYT7) | Pyrococcus woesei | |
2 | B, C, D (B, C, D) | 4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 645.6 | 3 | In PDB BIRD (PRD_900007) GlyTouCan (G66431MI) | alpha-acarbose | ||
3 | E (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
4 | F (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
5 | G, H, I (A) | MAGNESIUM ION | non-polymer | 24.3 | 3 | Chemie (MG) | |||
6 | J, K (A) | 2-{2-[2-2-(METHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL | non-polymer | 208.3 | 2 | Chemie (ETE) | |||
7 | L (A) | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 1 | Chemie (TRS) | |||
8 | M, N, O, P (A) | ETHANOL | non-polymer | 46.1 | 4 | Chemie (EOH) | |||
9 | Q (A) | water | water | 18.0 | 509 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 1 |
Total formula weight | 50228.7 | |
Branched | Number of molecules | 3 |
Total formula weight | 1936.8 | |
Non-Polymers* | Number of molecules | 12 |
Total formula weight | 901.3 | |
All* | Total formula weight | 53066.8 |