256B Electron Transport date Jan 16, 1990
title Improvement Of The 2.5 Angstroms Resolution Model Of Cytochr By Redetermining The Primary Structure And Using Molecular
authors K.Hamada, P.H.Bethge, F.S.Mathews
compound source
Molecule: Cytochrome B562
Chain: A, B
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
symmetry Space Group: P 1
R_factor
R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
33.710 50.480 32.730 102.76 86.55 106.70
method X-Ray Diffractionresolution 1.40 Å
ligand HEM, SO4 enzyme
note 256B is a representative structure and supersedes 156B
related structures by homologous chain: 1M6T
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceImprovement of the 2.5 A resolution model of cytochrome b562 by redetermining the primary structure and using molecular graphics., Lederer F, Glatigny A, Bethge PH, Bellamy HD, Matthew FS, J Mol Biol. 1981 Jun 5;148(4):427-48. PMID:7031264
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (43 Kb) [Save to disk]
  • Biological Unit Coordinates (256b.pdb1.gz) 20 Kb
  • Biological Unit Coordinates (256b.pdb2.gz) 20 Kb
  • LPC: Ligand-Protein Contacts for 256B
  • CSU: Contacts of Structural Units for 256B
  • Likely Quarternary Molecular Structure file(s) for 256B
  • Structure Factors (431 Kb)
  • Retrieve 256B in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 256B from S2C, [Save to disk]
  • Re-refined 256b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 256B 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 256B
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 256B 256BA 256BB from the CEP Server.
  • 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 256B, from MSDmotif at EBI
  • Genome occurence of 256B's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d256ba_, region A [Jmol] [rasmolscript] [script source]
        - Domain d256bb_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 256b 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: [256b] [256b_B] [256b_A]
  • SWISS-PROT database: [P0ABE7]
  • Domain organization of [C562_ECOLX] by SWISSPFAM
  • Other resources with information on 256B
  • Community annotation for 256B at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Domain movements in 256B from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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