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1MXL

STRUCTURE OF CARDIAC TROPONIN C-TROPONIN I COMPLEX

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(C)
PROTEIN (TROPONIN C)polymer8910070.31UniProt (P63316)
Pfam (PF13833)
Homo sapiens (human)CNTNC
2B
(I)
PROTEIN (TROPONIN I)polymer171806.21UniProt (P19429)CNTNI PEPTIDE
3C
(C)
CALCIUM IONnon-polymer40.11Chemie (CA)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight11876.5
Non-Polymers*Number of molecules1
Total formula weight40.1
All*Total formula weight11916.6
*Water molecules are not included.

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PDB entries from 2025-12-24

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