Current Protein Identity：P02643
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Difference tags compare only the current result set; every original PDB and assembly record remains separate.
Related-Structure Differences
Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.
| PDB Entry | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Experimental Method | Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 1A2X COMPLEX OF TROPONIN C WITH A 47 RESIDUE (1-47) FRAGMENT OF TROPONIN I Deposited 1998-01-13 | Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain B
1–47（47 aa）
Fragment：RESIDUES 1 - 47
|
Not recorded | CA CALCIUM ION × 2 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 8；289 K；HANGING-DROP VAPOR DIFFUSION METHOD WAS USED AT 289K BY MIXING THE PROTEIN SOLUTION CONTAINING 25-30MG/ML OF THE CI47 COMPLEX WITH A RESERVOIR SOLUTION CONTAINING 1.5M SODIUM CITRATE, 0.1M TRIS-HCL, PH 8.0, 15% TREHALOSE., vapor diffusion - hanging drop
|
Resolution 2.30 Å R-free 0.325 |
| 1NPQ structure of a rhodamine-labeled N-domain Troponin C mutant (Ca2+ saturated) in complex with skeletal Troponin I 115-131 Deposited 2003-01-18 | Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain B
115–131（17 aa）
Fragment：switch peptide, residues 115-131
|
Not recorded | CA CALCIUM ION × 2 | SOLUTION NMR |
NMR measurement conditions
pH 6.5；303 K；Ionic strength (raw mmCIF value) 320 mM KCl；Pressure ambiant
NMR sample composition
320 mM KCl, 10 mM imidazole, 1.3% NaN3, pH 6.5, ~1mM sNTnC.2Ca2+.TnI115-131.BR56-63 | 90% H2O/10% D2O
|
Resolution not provided |