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5U3A

Ultra High Resolution Crystal Structure of Human Pancreatic Alpha Amylase

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Pancreatic alpha-amylasepolymer49655931.31UniProt (P04746)
Pfam (PF00128)
Pfam (PF02806)
Homo sapiens (Human)PA,1,4-alpha-D-glucan glucanohydrolase
2B
(A)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.21Chemie (NAG)
3C
(A)
CHLORIDE IONnon-polymer35.51Chemie (CL)
4D
(A)
CALCIUM IONnon-polymer40.11Chemie (CA)
5E
(A)
waterwater18.0601Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight55931.3
Non-Polymers*Number of molecules3
Total formula weight296.7
All*Total formula weight56228.0
*Water molecules are not included.

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PDB entries from 2025-06-11

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