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7KO4

Structure of cardiac native thin filament at pCa=5.8 having upper and lower troponins in Ca2+ free 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 (Pig)
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)
Isoform 4 of Troponin T, cardiac musclepolymer18623023.02Pfam (PF00992)
UniProt (by SIFTS) (A0A4X1SIP4)
Sus scrofa (Pig)
4BA, U
(U, b)
Troponin I, cardiac musclepolymer17019639.72Sus scrofa (Pig)
5CA, V
(V, c)
Troponin Cpolymer16018288.32Pfam (PF13833)
Pfam (PF13499)
UniProt (by SIFTS) (P63317)
Sus scrofa (Pig)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains29
Total formula weight1013215.4
All*Total formula weight1013215.4
*Water molecules are not included.

237423

PDB entries from 2025-06-11

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