1M6T	Electron Transport	date	Jul 17, 2002
title	Crystal Structure Of B562ril, A Redesigned Four Helix Bundle
authors	R.Chu, J.Takei, J.R.Knowlton, M.Andrykovitch, W.Pei, A.V.Kajava, P.J.Steinbach, X.Ji, Y.Bai
compound		source
Molecule: Soluble Cytochrome B562 Chain: A Synonym: Cytochrome B562 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Cytb562 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21de3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-17b
symmetry	Space Group: C 2 2 21	R_factor 0.210 R_Free 0.248
crystal cell	length a length b length c angle alpha angle beta angle gamma 41.300 52.340 93.800 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.81 Å
ligand	SO4	enzyme
related structures	by homologous chain: 1LM3, 256B
Gene Ontology	Chain Function Process Component A
Primary reference	Redesign of a four-helix bundle protein by phage display coupled with proteolysis and structural characterization by NMR and X-ray crystallography., Chu R, Takei J, Knowlton JR, Andrykovitch M, Pei W, Kajava AV, Steinbach PJ, Ji X, Bai Y, J Mol Biol 2002 Oct 18;323(2):253-62. PMID:12381319

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (23 Kb) [Save to disk] Biological Unit Coordinates (1m6t.pdb1.gz) 20 Kb LPC: Ligand-Protein Contacts for 1M6T CSU: Contacts of Structural Units for 1M6T Likely Quarternary Molecular Structure file(s) for 1M6T Structure Factors (135 Kb) Retrieve 1M6T in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1M6T from S2C, [Save to disk] Re-refined 1m6t structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1M6T 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 1M6T

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 1M6T, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1m6ta_, region A [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: [1m6t] [1m6t_A] SWISS-PROT database: [P0ABE7] Domain organization of [C562_ECOLX] by SWISSPFAM

Other resources with information on 1M6T

Community annotation for 1M6T at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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