3tz1

X-ray diffraction
1.8Å resolution

Crystal structure of the Ca2+-saturated C-terminal domain of Akazara scallop troponin C in complex with a troponin I fragment

Released:

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-173269 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
EF-hand domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 74 amino acids
Theoretical weight: 8.53 KDa
Source organism: Chlamys nipponensis akazara
Expression system: Escherichia coli
UniProt:
  • Canonical: Q27428 (Residues: 81-153; Coverage: 48%)
Sequence domains: EF-hand domain pair
Structure domains: EF-hand
Troponin I Chain: B
Molecule details ›
Chain: B
Length: 24 amino acids
Theoretical weight: 2.69 KDa
Source organism: Chlamys nipponensis akazara
Expression system: Not provided
UniProt:
  • Canonical: Q7M3Y3 (Residues: 143-166; Coverage: 8%)

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE AR-NW12A
Spacegroup: P212121
Unit cell:
a: 32.13Å b: 42.151Å c: 59.966Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.205 0.203 0.237
Expression systems:
  • Escherichia coli
  • Not provided