2O2K Transferase date Nov 30, 2006
title Crystal Structure Of The Activation Domain Of Human Methionine Synthase Isoformmutant D963ek1071n
authors K.R.Wolthers, H.S.Toogood, T.A.Jowitt, K.R.Marshall, D.Leys, N.S.Scrutton
compound source
Molecule: Methionine Synthase
Chain: A, B
Fragment: Enzyme Domain, Residues 926-1265
Synonym: 5-Methyltetrahydrofolate--Homocysteine Methyltransferase, Methionine Synthase, Vitamin-B12 Dependent, Ms;
Ec: 2.1.1.13
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Mtr
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pact
symmetry Space Group: P 21 21 21
R_factor 0.209 R_Free 0.248
crystal
cell
length a length b length c angle alpha angle beta angle gamma
77.854 90.051 123.006 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.60 Å
ligand
enzyme Transferase E.C.2.1.1.13 BRENDA
Primary referenceCrystal structure and solution characterization of the activation domain of human methionine synthase., Wolthers KR, Toogood HS, Jowitt TA, Marshall KR, Leys D, Scrutton NS, FEBS J. 2007 Feb;274(3):738-50. PMID:17288554
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (138 Kb) [Save to disk]
  • Biological Unit Coordinates (2o2k.pdb1.gz) 133 Kb
  • CSU: Contacts of Structural Units for 2O2K
  • Likely Quarternary Molecular Structure file(s) for 2O2K
  • Structure Factors (781 Kb)
  • Retrieve 2O2K in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2O2K from S2C, [Save to disk]
  • Re-refined 2o2k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2O2K 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 2O2K
  • 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 2O2K, from MSDmotif at EBI
  • Fold representative 2o2k from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2o2k] [2o2k_B] [2o2k_A]
  • SWISS-PROT database: [Q99707]
  • Domain organization of [METH_HUMAN] by SWISSPFAM
  • Alignments of the sequence of 2O2K with the sequences similar proteins can be viewed for 2O2K's classification [METH_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list.
  • A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [METH_HUMAN] at ProtoMap. Click on the Cluster number.
  • Other resources with information on 2O2K
  • Community annotation for 2O2K 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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