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9MO4

Structure of native murine cardiac thin filament at pCa=5.8 in Ca2+-free state (lower strand)

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 cardiac muscle 1polymer37742064.96UniProt (P68033)
Pfam (PF00022)
Mus musculus (house mouse)Alpha-cardiac actin
2G
(G)
Troponin C, slow skeletal and cardiac musclespolymer16118437.51UniProt (P19123)
Pfam (PF13833)
Pfam (PF13499)
Mus musculus (house mouse)TN-C
3H
(H)
Troponin I, cardiac musclepolymer21124308.91UniProt (P48787)
Pfam (PF11636)
Pfam (PF00992)
Mus musculus (house mouse)Cardiac troponin I
4I, J
(I, J)
Isoform A2 of Troponin T, cardiac musclepolymer29134616.42UniProt (P50752)
Pfam (PF00992)
Mus musculus (house mouse)TnTc,Cardiac muscle troponin T,cTnT
5K, L, M, N
(K, L, M, N)
Tropomyosin alpha-1 chainpolymer28432735.64UniProt (P58771)
Pfam (PF00261)
Mus musculus (house mouse)Alpha-tropomyosin,Tropomyosin-1
6O, Q, S, U, W...
(A, B, C, D, E...)
ADENOSINE-5'-DIPHOSPHATEnon-polymer427.26Chemie (ADP)
7P, R, T, V, X...
(A, B, C, D, E...)
MAGNESIUM IONnon-polymer24.36Chemie (MG)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains14
Total formula weight495310.9
Non-Polymers*Number of molecules12
Total formula weight2709.0
All*Total formula weight498020.0
*Water molecules are not included.

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PDB entries from 2025-06-11

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