2O2K	Transferase	date	Nov 30, 2006
title	Crystal Structure Of The Activation Domain Of Human Methioni Synthase Isoformmutant D963ek1071n
authors	K.R.Wolthers, H.S.Toogood, T.A.Jowitt, K.R.Marshall, D.Leys, N.S.
compound		source
Molecule: Methionine Synthase Chain: A, B Fragment: Enzyme Domain, Residues 926-1265 Synonym: 5-Methyltetrahydrofolate--Homocysteine Methyltrans 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 Diffraction	resolution	1.60 Å
ligand		enzyme	Transferase E.C.2.1.1.13 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal 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] (135 Kb) [Save to disk] Biological Unit Coordinates (2o2k.pdb1.gz) 130 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

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 2O2K, from MSDmotif at EBI

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

Other resources with information on 2O2K

Community annotation for 2O2K at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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