1A2X		date
authors
compound		source
symmetry		R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma
method	X-Ray Diffraction	resolution
ligand	CA	enzyme
note	1A2X is a representative structure
related structures	by homologous chain: 1DTL, 1J1D, 1YTZ
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of troponin C in complex with troponin I fragment at 2.3-A resolution., Vassylyev DG, Takeda S, Wakatsuki S, Maeda K, Maeda Y, Proc Natl Acad Sci U S A 1998 Apr 28;95(9):4847-52. PMID:9560191

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (37 Kb) [Save to disk] Biological Unit Coordinates (1a2x.pdb1.gz) 32 Kb LPC: Ligand-Protein Contacts for 1A2X CSU: Contacts of Structural Units for 1A2X Likely Quarternary Molecular Structure file(s) for 1A2X Structure Factors (126 Kb) Retrieve 1A2X in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1A2X from S2C, [Save to disk] Re-refined 1a2x structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1A2X in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1a2x] [1a2x_A] [1a2x_B] SWISS-PROT database: [P02586] [P02643] Domain found in 1A2X: [EFh ] by SMART

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