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3BAI

Human Pancreatic Alpha Amylase with Bound Nitrate

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)
NITRATE IONnon-polymer62.01Chemie (NO3)
4D
(A)
CALCIUM IONnon-polymer40.11Chemie (CA)
5E
(A)
waterwater18.0283Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight55931.3
Non-Polymers*Number of molecules3
Total formula weight323.3
All*Total formula weight56254.6
*Water molecules are not included.

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PDB entries from 2025-06-11

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