2RD2	Ligase Rna	date	Sep 20, 2007
title	Glutaminyl-Trna Synthetase Mutant C229r With Bound Analog 5' Glutaminyl)-Sulfamoyl]Adenosine
authors	T.L.Bullock, J.J.Perona
compound		source
Molecule: Glutamine Trna Chain: B Engineered: Yes		Synthetic: Yes Other_details: Trna Synthesized In Vitro From A 100 Nucleot Template;
Molecule: Glutaminyl-Trna Synthetase Chain: A Synonym: Glutamine--Trna Ligase, Glnrs Ec: 6.1.1.18 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 83333 Strain: K12 Gene: Glns Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pqrsh
symmetry	Space Group: C 2 2 21	R_factor 0.209 R_Free 0.263
crystal cell	length a length b length c angle alpha angle beta angle gamma 237.659 93.337 114.826 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	QSI, SO4	enzyme	Ligase E.C.6.1.1.18 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	A rationally engineered misacylating aminoacyl-tRNA synthetase., Bullock TL, Rodriguez-Hernandez A, Corigliano EM, Perona JJ, Proc Natl Acad Sci U S A. 2008 May 27;105(21):7428-33. Epub 2008 May 13. PMID:18477696

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (126 Kb) [Save to disk] Biological Unit Coordinates (2rd2.pdb1.gz) 120 Kb LPC: Ligand-Protein Contacts for 2RD2 CSU: Contacts of Structural Units for 2RD2 Likely Quarternary Molecular Structure file(s) for 2RD2 Retrieve 2RD2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2RD2 from S2C, [Save to disk]

View 2RD2 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 2RD2

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2RD2, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2rd2_A] [2rd2_B] [2rd2] SWISS-PROT database: [P00962] Domain organization of [SYQ_ECOLI] by SWISSPFAM

Other resources with information on 2RD2

Community annotation for 2RD2 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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