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1O2S

Elaborate Manifold of Short Hydrogen Bond Arrays Mediating Binding of Active Site-Directed Serine Protease Inhibitors

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
BETA-TRYPSINpolymer22323324.31UniProt (P00760)
Pfam (PF00089)
Bos taurus (cattle)
2B
(A)
CALCIUM IONnon-polymer40.11Chemie (CA)
3C
(A)
CHLORIDE IONnon-polymer35.51Chemie (CL)
4D
(A)
2-{5-[AMINO(IMINIO)METHYL]-1H-BENZIMIDAZOL-2-YL}BENZENOLATEnon-polymer252.31Chemie (CR4)
5E
(A)
waterwater18.0133Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight23324.3
Non-Polymers*Number of molecules3
Total formula weight327.8
All*Total formula weight23652.1
*Water molecules are not included.

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PDB entries from 2025-06-11

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