2OBV	Transferase	date	Dec 20, 2006
title	Crystal Structure Of The Human S-Adenosylmethionine Syntheta Complex With The Product
authors	E.S.Pilka, N.Shafqat, K.L.Kavanagh, C.Cooper, V.Hozjan, A.Turnbul Delft, C.H.Arrowsmith, A.Edwards, J.Weigelt, M.Sundstrom, U.Oppe Structural Genomics Consortium (Sgc)
compound		source
Molecule: S-Adenosylmethionine Synthetase Isoform Type-1 Chain: A Synonym: Methionine Adenosyltransferase 1, Adomet Synthetas Methionine Adenosyltransferase IIII, Mat-IIII; Ec: 2.5.1.6 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Mat1a, Ams1, Mata1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)-R3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pnic28-Bsa4
symmetry	Space Group: I 2 2 2	R_factor 0.139 R_Free 0.183
crystal cell	length a length b length c angle alpha angle beta angle gamma 66.404 95.016 115.773 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.05 Å
ligand	NA, PG4, SAM	enzyme	Transferase E.C.2.5.1.6 BRENDA
Gene Ontology	Chain Function Process Component A nucleotide binding methionine adenosyltransfera... ATP binding transferase activity metal ion binding sulfur amino acid metabolic ... cellular amino acid metaboli... S-adenosylmethionine biosynt... one-carbon metabolic process... xenobiotic metabolic process... methylation cellular nitrogen compound m... small molecule metabolic pro... cytosol

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (73 Kb) [Save to disk] Biological Unit Coordinates (2obv.pdb1.gz) 133 Kb Biological Unit Coordinates (2obv.pdb2.gz) 265 Kb LPC: Ligand-Protein Contacts for 2OBV CSU: Contacts of Structural Units for 2OBV Likely Quarternary Molecular Structure file(s) for 2OBV Structure Factors (208 Kb) Retrieve 2OBV in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2OBV from S2C, [Save to disk] Re-refined 2obv structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2OBV 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 2OBV

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 2OBV, from MSDmotif at EBI Fold representative 2obv from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

SWISS-PROT database: [Q00266] Domain organization of [METK1_HUMAN] by SWISSPFAM Alignments of the sequence of 2OBV with the sequences similar proteins can be viewed for 2OBV's classification [METK1_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 [METK1_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 2OBV

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

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