6XSJ
X-ray structure of a monoclinic form of alpha amylase from Aspergillus at 1.4 A resolution
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B (A, B) | Alpha-amylase | polymer | 499 | 54812.7 | 2 | UniProt (B0FZ76) Pfam (PF00128) Pfam (PF09260) UniProt (by SIFTS) (P0C1B3) | Aspergillus oryzae (Yellow koji mold) | |
2 | C (C) | alpha-D-mannopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 383.3 | 1 | In PDB GlyTouCan (G84445MH) | |||
3 | D, H (A, B) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
4 | E (A) | 2-acetamido-2-deoxy-beta-D-glucopyranose | non-polymer | 221.2 | 1 | Chemie (NAG) | |||
5 | F, I (A, B) | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 2 | Chemie (MPD) | |||
6 | G (A) | 2-(N-MORPHOLINO)-ETHANESULFONIC ACID | non-polymer | 195.2 | 1 | Chemie (MES) | |||
7 | J, K (B) | PHOSPHATE ION | non-polymer | 95.0 | 2 | Chemie (PO4) | |||
8 | L (B) | TETRAETHYLENE GLYCOL | non-polymer | 194.2 | 1 | Chemie (PG4) | |||
9 | M (B) | ALANINE | non-polymer | 89.1 | 1 | Chemie (ALA) | |||
10 | N, O (A, B) | water | water | 18.0 | 1258 | Chemie (HOH) |
Sequence modifications
A, B: -20 - 478 (UniProt: B0FZ76)
PDB | External Database | Details |
---|---|---|
Gln 35 | Arg 56 | conflict |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 109625.5 | |
Branched | Number of molecules | 1 |
Total formula weight | 383.3 | |
Non-Polymers* | Number of molecules | 10 |
Total formula weight | 1206.2 | |
All* | Total formula weight | 111215.1 |