3B43	Structural Protein	date	Oct 23, 2007
title	I-Band Fragment I65-I70 From Titin
authors	E.Von Castelmur, M.Marino, D.Labeit, S.Labeit, O.Mayans
compound		source
Molecule: Titin Chain: A Fragment: I65-I70 Ec: 2.7.11.1 Engineered: Yes		Organism_scientific: Oryctolagus Cuniculus Organism_common: Rabbit Organism_taxid: 9986 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 (De3) Rosetta Expression_system_vector_type: Plasmid Expression_system_plasmid: Petm-11
symmetry	Space Group: P 65 2 2	R_factor 0.220 R_Free 0.267
crystal cell	length a length b length c angle alpha angle beta angle gamma 141.430 141.430 166.010 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	3.30 Å
ligand		enzyme	Transferase E.C.2.7.11.1 BRENDA
note	3B43 (Molecule of the Month:pdb185)
Gene Ontology	Chain Function Process Component A
Primary reference	A regular pattern of Ig super-motifs defines segmental flexibility as the elastic mechanism of the titin chain., von Castelmur E, Marino M, Svergun DI, Kreplak L, Ucurum-Fotiadis Z, Konarev PV, Urzhumtsev A, Labeit D, Labeit S, Mayans O, Proc Natl Acad Sci U S A. 2008 Jan 29;105(4):1186-91. Epub 2008 Jan 22. PMID:18212128

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (198 Kb) [Save to disk] Biological Unit Coordinates (3b43.pdb1.gz) 192 Kb CSU: Contacts of Structural Units for 3B43 Likely Quarternary Molecular Structure file(s) for 3B43 Structure Factors (121 Kb) Retrieve 3B43 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3B43 from S2C, [Save to disk] Re-refined 3b43 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3B43 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 3B43

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3B43, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3b43] [3b43_A] SWISS-PROT database: [D0VWS0] [Q8WZ42] Domain organization of [D0VWS0_RABIT] [TITIN_HUMAN] by SWISSPFAM Domain found in 3B43: [IGc2 ] by SMART

Other resources with information on 3B43

Community annotation for 3B43 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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