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
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 Diffractionresolution 1.81 Å
ligand SO4 enzyme
related structures by homologous chain: 1LM3, 256B

Primary referenceRedesign 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
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo 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]
  • Fold representative 1m6t from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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