2IP1	Ligase	date	Oct 11, 2006
title	Crystal Structure Analysis Of S. Cerevisiae Tryptophanyl Trn Synthetase
authors	M.G.Malkowski, Center For High-Throughput Structural Biology
compound		source
Molecule: Tryptophanyl-Trna Synthetase Chain: A Synonym: Tryptophan-Trna Ligase, Trprs Ec: 6.1.1.2 Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Wrs1 Expression_system: Saccharomyces Cerevisiae Expression_system_common: Baker'S Yeast Expression_system_taxid: 4932 Expression_system_plasmid: Bg2483
symmetry	Space Group: P 43 21 2	R_factor 0.181 R_Free 0.214
crystal cell	length a length b length c angle alpha angle beta angle gamma 56.350 56.350 313.640 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	PG4	enzyme	Ligase E.C.6.1.1.2 BRENDA
note	2IP1 is a representative structure
Gene Ontology	Chain Function Process Component A
Primary reference	Blocking S-adenosylmethionine synthesis in yeast allows selenomethionine incorporation and multiwavelength anomalous dispersion phasing., Malkowski MG, Quartley E, Friedman AE, Babulski J, Kon Y, Wolfley J, Said M, Luft JR, Phizicky EM, DeTitta GT, Grayhack EJ, Proc Natl Acad Sci U S A. 2007 Apr 17;104(16):6678-83. Epub 2007 Apr 10. PMID:17426150

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (75 Kb) [Save to disk] Biological Unit Coordinates (2ip1.pdb1.gz) 69 Kb LPC: Ligand-Protein Contacts for 2IP1 CSU: Contacts of Structural Units for 2IP1 Likely Quarternary Molecular Structure file(s) for 2IP1 Structure Factors (679 Kb) Retrieve 2IP1 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2IP1 from S2C, [Save to disk] Re-refined 2ip1 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2IP1 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 2IP1

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 2IP1, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ip1] [2ip1_A] SWISS-PROT database: [Q12109] Domain organization of [SYWC_YEAST] by SWISSPFAM

Other resources with information on 2IP1

Community annotation for 2IP1 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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