1PFW	Ligase	date	May 27, 2003
title	Methionyl-Trna Synthetase From Escherichia Coli Complexed Wi Trifluoromethionine
authors	T.Crepin, E.Schmitt, Y.Mechulam, P.B.Sampson, M.D.Vaughan, J.F.Ho S.Blanquet
compound		source
Molecule: Methionyl-Trna Synthetase Chain: A Fragment: Residues 1-551 Synonym: Methionine--Trna Ligase, Metrs Ec: 6.1.1.10 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Metg Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Jm101tr Expression_system_vector_type: Plasmid Expression_system_plasmid: Pbluescript
symmetry	Space Group: P 1 21 1	R_factor 0.184 R_Free 0.209
crystal cell	length a length b length c angle alpha angle beta angle gamma 78.490 45.288 86.274 90.00 107.37 90.00
method	X-Ray Diffraction	resolution	1.78 Å
ligand	MF3, ZN	enzyme	Ligase E.C.6.1.1.10 BRENDA
related structures	by homologous chain: 1P7P, 1PG2
Gene Ontology	Chain Function Process Component A
Primary reference	Use of analogues of methionine and methionyl adenylate to sample conformational changes during catalysis in Escherichia coli methionyl-tRNA synthetase., Crepin T, Schmitt E, Mechulam Y, Sampson PB, Vaughan MD, Honek JF, Blanquet S, J Mol Biol 2003 Sep 5;332(1):59-72. PMID:12946347

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (100 Kb) [Save to disk] Biological Unit Coordinates (1pfw.pdb1.gz) 96 Kb LPC: Ligand-Protein Contacts for 1PFW CSU: Contacts of Structural Units for 1PFW Likely Quarternary Molecular Structure file(s) for 1PFW Retrieve 1PFW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1PFW from S2C, [Save to disk]

View 1PFW 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 1PFW

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1PFW, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1pfwa3, region A:141-175 [Jmol] [rasmolscript] [script source]     - Domain d1pfwa1, region A:389-549 [Jmol] [rasmolscript] [script source]     - Domain d1pfwa2, region A:4-140,A:176-388 [Jmol] [rasmolscript] [script source] 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: [1pfw] [1pfw_A] SWISS-PROT database: [P00959] Domain organization of [SYM_ECOLI] by SWISSPFAM

Other resources with information on 1PFW

Community annotation for 1PFW at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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