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1AKS

CRYSTAL STRUCTURE OF THE FIRST ACTIVE AUTOLYSATE FORM OF THE PORCINE ALPHA TRYPSIN

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
ALPHA TRYPSINpolymer12513304.01UniProt (P00761)
Pfam (PF00089)
Sus scrofa (pig)
2B
(B)
ALPHA TRYPSINpolymer9810205.51UniProt (P00761)
Pfam (PF00089)
Sus scrofa (pig)
3C
(A)
CALCIUM IONnon-polymer40.11Chemie (CA)
4D, E
(A, B)
waterwater18.0111Chemie (HOH)
Sequence modifications
B: 146 - 245 (UniProt: P00761)
PDBExternal DatabaseDetails
Asn 165Asp 153conflict
Gln 186Glu 175conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight23509.5
Non-Polymers*Number of molecules1
Total formula weight40.1
All*Total formula weight23549.6
*Water molecules are not included.

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PDB entries from 2025-07-16

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