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2NQA

Catalytic Domain of Human Calpain 8

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Calpain-8polymer32636680.02UniProt (A6NHC0)
Pfam (PF00648)
UniProt (by SIFTS) (P17655)
Homo sapiens (Human)New calpain 2,nCL-2,Stomach-specific M-type calpain
2C, D
(D, E)
Leupeptin Inhibitorpolymer4429.62BIRD (PRD_000216)Actinomycetes Streptomyces roseus MA 839-A1
3E, F, G, H, I
(A, B)
CALCIUM IONnon-polymer40.15Chemie (CA)
4J, K, L, M
(A, B, D, E)
waterwater18.0308Chemie (HOH)
Sequence modifications
A, B: 23 - 346 (UniProt: A6NHC0)
PDBExternal DatabaseDetails
Gly 21-expression tag
Ser 22-expression tag
Tyr 245Ser 245conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight74219.2
Non-Polymers*Number of molecules5
Total formula weight200.4
All*Total formula weight74419.6
*Water molecules are not included.

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PDB entries from 2025-07-23

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