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1SMD

HUMAN SALIVARY AMYLASE

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
AMYLASEpolymer49655955.31UniProt (P04745)
Pfam (PF00128)
Pfam (PF02806)
UniProt (by SIFTS) (P0DUB6)
Homo sapiens (human)
2B
(A)
CALCIUM IONnon-polymer40.11Chemie (CA)
PubChem (271)
3C
(A)
CHLORIDE IONnon-polymer35.51Chemie (CL)
PubChem (312)
4D
(A)
waterwater18.0169Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight55955.3
Non-Polymers*Number of molecules2
Total formula weight75.5
All*Total formula weight56030.8
*Water molecules are not included.

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PDB entries from 2026-10-14

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