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45CL

Wild-type CI2 bound to alpha-chymotrypsin

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(C)
Chymotrypsin A chain Apolymer131253.51UniProt (P00766)Bos taurus (domestic cattle)
2B
(A)
Chymotrypsin A chain Bpolymer13113934.61UniProt (P00766)
Pfam (PF00089)
Bos taurus (domestic cattle)
3C
(B)
Chymotrypsinogen Apolymer9810188.61UniProt (P00766)
Pfam (PF00089)
Bos taurus (domestic cattle)
4D
(I)
Chymotrypsin inhibitor 2polymer647198.51synthetic construct
5E, F
(A)
SULFATE IONnon-polymer96.12Chemie (SO4)
6G
(B)
1,2-ETHANEDIOLnon-polymer62.11Chemie (EDO)
7H, I, J, K
(C, A, B, I)
waterwater18.0406Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight32575.2
Non-Polymers*Number of molecules3
Total formula weight254.2
All*Total formula weight32829.4
*Water molecules are not included.

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PDB entries from 2026-11-04

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