1MXL	Calcium-Binding Protein	date	Apr 22, 1999
title	Structure Of Cardiac Troponin C-Troponin I Complex
authors	M.X.Li, L.Spyracopoulos, B.D.Sykes
compound		source
Molecule: Protein (Troponin C) Chain: C Fragment: Regulatory N-Domain Residues 1-89 Synonym: Cntnc Engineered: Yes Other_details: Calcium Saturated N-Domain Of Cardiac Tropon Complex With Cardiac Troponin I 147-163;		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Strain: Bl21(De3) Plyss Organ: Heart Tissue: Muscle Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Plyss Expression_system_tissue: Muscle Expression_system_vector_type: Plasmid Expression_system_vector: Pet3d Other_details: Homo Sapiens
Molecule: Protein (Troponin I) Chain: I Fragment: Cardiac Troponin I Residues 147-163 Synonym: Cntni Peptide Engineered: Yes Other_details: Cardiac Troponin I 147-163 In Complex With T Domain Of Cardiac Troponin C		Synthetic: Yes Other_details: This Peptide Was Chemically Synthesized. Its Protein Is Naturally Found In Heart Tissue Of Homo Sapiens
method	Solution NMR
ligand	CA	enzyme
related structures	by homologous chain: 1BLQ, 2BBN
Gene Ontology	Chain Function Process Component C
Primary reference	Binding of cardiac troponin-I147-163 induces a structural opening in human cardiac troponin-C., Li MX, Spyracopoulos L, Sykes BD, Biochemistry 1999 Jun 29;38(26):8289-98. PMID:10387074

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (1061 Kb) [Save to disk] Biological Unit Coordinates (1mxl.pdb1.gz) 27 Kb LPC: Ligand-Protein Contacts for 1MXL CSU: Contacts of Structural Units for 1MXL Original NMR restraints for 1MXL from PDB Retrieve 1MXL in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1MXL from S2C, [Save to disk]

View 1MXL 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.

Visual 3D analysis of 1MXL

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1MXL, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1mxlc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1mxli_, region I [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1mxl] [1mxl_C] [1mxl_I] SWISS-PROT database: [P63316] [P19429] Domain organization of [TNNC1_HUMAN] [TNNI3_HUMAN] by SWISSPFAM Domain found in 1MXL: [EFh ] by SMART

Other resources with information on 1MXL

Community annotation for 1MXL at PDBWiki (http://pdbwiki.org) NMR Ensemble (OLDERADO: core, domain and representative structure database) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 1MXL from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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