2AJG	Ligase	date	Aug 01, 2005
title	Crystal Structure Of The Editing Domain Of E. Coli Leucyl-Tr Synthetase
authors	Y.Liu, J.Liao, B.Zhu, E.D.Wang, J.Ding
compound		source
Molecule: Leucyl-Trna Synthetase Chain: A, B Fragment: Residues 228-413 Synonym: Leucine--Trna Ligase, Leurs Ec: 6.1.1.4 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl-21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-3e-His
symmetry	Space Group: P 63 2 2	R_factor 0.216 R_Free 0.249
crystal cell	length a length b length c angle alpha angle beta angle gamma 111.489 111.489 136.764 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand		enzyme	Ligase E.C.6.1.1.4 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structures of the editing domain of E. coli leucyl-tRNA synthetase and its complexes with methionine and isoleucine reveal a lock-and-key mechanism for amino acid discrimination., Liu Y, Liao J, Zhu B, Wang E, Ding J, Biochem J. 2005 Nov 8;. PMID:16277600

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (63 Kb) [Save to disk] Biological Unit Coordinates (2ajg.pdb1.gz) 31 Kb Biological Unit Coordinates (2ajg.pdb2.gz) 29 Kb CSU: Contacts of Structural Units for 2AJG Likely Quarternary Molecular Structure file(s) for 2AJG Structure Factors (594 Kb) Retrieve 2AJG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2AJG from S2C, [Save to disk] Re-refined 2ajg structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2AJG 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 2AJG

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 2AJG, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ajg_B] [2ajg] [2ajg_A] SWISS-PROT database: [P07813] Domain organization of [SYL_ECOLI] by SWISSPFAM

Other resources with information on 2AJG

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

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