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STRUCTURES OF THE APO AND CALCIUM TROPONIN-C REGULATORY DOMAINS: THE MUSCLE CONTRACTION SWITCH

Solution NMR
PDB entry 1tnq coloured by chain, ensemble of 40 models, front view.
PDB entry 1tnq coloured by chain, ensemble of 40 models, side view.
PDB entry 1tnq coloured by chain, ensemble of 40 models, top view.
Source organism: Gallus gallus
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Troponin C, skeletal muscle
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Multimeric state: monomeric
Accessible surface area: 7074.86 Å2
Buried surface area: 87.22 Å2
Dissociation area: 0 Å2
Dissociation energy (ΔGdiss): 0 kcal/mol
Dissociation entropy (TΔSdiss): 0 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-135940

Macromolecules

Troponin C, skeletal muscle
Chain: A
Length: 90 amino acids
Theoretical weight: 9.98 KDa
Source organism: Gallus gallus
Expression system: Escherichia coli
UniProt:
  • Canonical: P02588 (Residues: 2-91; Coverage: 55%)
Gene name: TNNC2
Pfam: EF-hand domain pair
InterPro:
CATH: EF-hand
SCOP: Calmodulin-like
Troponin C, skeletal muscle in PDB entry 1tnq, assembly 1, front view.
Troponin C, skeletal muscle in PDB entry 1tnq, assembly 1, side view.
Troponin C, skeletal muscle in PDB entry 1tnq, assembly 1, top view.
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