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1EST

THE ATOMIC STRUCTURE OF CRYSTALLINE PORCINE PANCREATIC ELASTASE AT 2.5 ANGSTROMS RESOLUTION. COMPARISONS WITH THE STRUCTURE OF ALPHA-CHYMOTRYPSIN

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
PORCINE PANCREATIC ELASTASEpolymer24025928.01UniProt (P00772)
Pfam (PF00089)
Sus scrofa (pig)
2B
(A)
SULFATE IONnon-polymer96.11Chemie (SO4)
3C
(A)
PARA-TOLUENE SULFONATEnon-polymer172.21Chemie (TSU)
4D
(A)
waterwater18.025Chemie (HOH)
Sequence modifications
A: 16 - 245 (UniProt: P00772)
PDBExternal DatabaseDetails
Asn 77Asp 92conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight25928.0
Non-Polymers*Number of molecules2
Total formula weight268.3
All*Total formula weight26196.3
*Water molecules are not included.

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PDB entries from 2025-06-11

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