3RGM	Transport Protein	date	Apr 08, 2011
title	Crystal Structure Of Spin-Labeled Btub T156r1
authors	P.S.Horanyi, D.M.Freed, M.C.Wiener, D.S.Cafiso
compound		source
Molecule: Vitamin B12 Transporter Btub Chain: A Synonym: Cobalamin Receptor, Outer Membrane Cobalamin Trans Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 83333 Strain: K12 Gene: Btub, Bfe, Cer, Dcrc, B3966, Jw3938 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Plyss Expression_system_vector_type: Pet22b
symmetry	Space Group: P 31 2 1	R_factor 0.211 R_Free 0.254
crystal cell	length a length b length c angle alpha angle beta angle gamma 81.629 81.629 227.729 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	C8E, MG, MTN	enzyme
Gene Ontology	Chain Function Process Component A vitamin transmembrane transp...
Primary reference	Molecular Origin of Electron Paramagnetic Resonance Line Shapes on beta-Barrel Membrane Proteins: The Local Solvation Environment Modulates Spin-Label Configuration., Freed DM, Khan AK, Horanyi PS, Cafiso DS, Biochemistry. 2011 Oct 18;50(41):8792-803. Epub 2011 Sep 22. PMID:21894979

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (191 Kb) [Save to disk] Biological Unit Coordinates (3rgm.pdb1.gz) 184 Kb LPC: Ligand-Protein Contacts for 3RGM CSU: Contacts of Structural Units for 3RGM Structure Factors (408 Kb) Retrieve 3RGM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3RGM from S2C, [Save to disk] Re-refined 3rgm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3RGM 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 3RGM

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 3RGM, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3rgm_A] [3rgm] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3RGM

Community annotation for 3RGM at PDBWiki (http://pdbwiki.org)

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