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7KO5

Structure of cardiac native thin filament at pCa=5.8 having upper and lower troponins in Ca2+ bound state

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D, E...
(A, B, C, D, E...)
Actin, alpha skeletal musclepolymer37541862.615Pfam (PF00022)
UniProt (by SIFTS) (P68137)
Sus scrofa
2P, Q, R, S, W...
(P, Q, R, S, W...)
Tropomyosin alpha-1 chainpolymer28632921.88Pfam (PF00261)
UniProt (by SIFTS) (P42639)
Sus scrofa (Pig)
3AA, T
(T, a)
Troponin T, cardiac musclepolymer18623023.02Pfam (PF00992)
UniProt (by SIFTS) (A0A4X1SIP4)
Sus scrofa
4BA, U
(U, b)
Troponin I, cardiac musclepolymer17019639.72Sus scrofa
5CA, V
(V, c)
Troponin Cpolymer16018288.32Pfam (PF13833)
Pfam (PF13499)
UniProt (by SIFTS) (P63317)
Sus scrofa
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains29
Total formula weight1013215.4
All*Total formula weight1013215.4
*Water molecules are not included.

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PDB entries from 2025-06-11

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