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2KFX

Structure of the N-terminal domain of human cardiac troponin C bound to calcium ion and to the inhibitor W7

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(T)
Troponin C, slow skeletal and cardiac musclespolymer8910038.21UniProt (P63316)
Pfam (PF13833)
Homo sapiens (human)TN-C
2B
(T)
CALCIUM IONnon-polymer40.11Chemie (CA)
3C
(T)
N-(6-AMINOHEXYL)-5-CHLORO-1-NAPHTHALENESULFONAMIDEnon-polymer340.91Chemie (WW7)
Sequence modifications
T: 1 - 89 (UniProt: P63316)
PDBExternal DatabaseDetails
Ser 35Cys 35engineered mutation
Ser 84Cys 84engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight10038.2
Non-Polymers*Number of molecules2
Total formula weight380.9
All*Total formula weight10419.1
*Water molecules are not included.

246905

PDB entries from 2025-12-31

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