1Q4N: Structural studies of Phe256Trp of human salivary alpha-amylase: implications for the role of a conserved water molecule and its associated chain in enzyme activity

PDB ID: 1Q4NDownload
MMDB ID: 26849
PDB Deposition Date: 2003/8/4
Updated in MMDB: 2012/12
Experimental Method:
x-ray diffraction
Resolution: 2.07  Å
Source Organism:
Similar Structures:
Biological Unit for 1Q4N: monomeric; determined by author
Molecular Components in 1Q4N
Label Count Molecule
Protein (1 molecule)
1
Alpha-amylase, Salivary
(Gene symbol: AMY1A)
Molecule annotation
Chemicals and Non-standard biopolymers (3 molecules)
1
1
CALCIUM IONCALCIUM ION
2
1
CHLORIDE IONCHLORIDE ION
3
1
TRIS(HYDROXYETHYL)AMINOMETHANETRIS(HYDROXYETHYL)AMINOMETHANE
* Click molecule labels to explore molecular sequence information.
Citing MMDB
Madej T, Lanczycki CJ, Zhang D, Thiessen PA, Geer RC, Marchler-Bauer A, Bryant SH. " MMDB and VAST+: tracking structural similarities between macromolecular complexes. Nucleic Acids Res. 2014 Jan; 42(Database issue):D297-303