2CSX	Ligase Rna	date	May 23, 2005
title	Crystal Structure Of Aquifex Aeolicus Methionyl-Trna Synthet Complexed With Trna(Met)
authors	K.Nakanishi, Y.Ogiso, T.Nakama, S.Fukai, O.Nureki, Riken Structur Genomicsproteomics Initiative (Rsgi)
compound		source
Molecule: Rna (75-Mer) Chain: C, D Engineered: Yes		Synthetic: Yes
Molecule: Methionyl-Trna Synthetase Chain: A, B Synonym: Methionine--Trna Ligase, Metrs Ec: 6.1.1.10 Engineered: Yes		Organism_scientific: Aquifex Aeolicus Organism_taxid: 63363 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 Codon+ (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28a
symmetry	Space Group: P 21 21 21	R_factor 0.239 R_Free 0.302
crystal cell	length a length b length c angle alpha angle beta angle gamma 94.100 108.122 162.071 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand		enzyme	Ligase E.C.6.1.1.10 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural basis for anticodon recognition by methionyl-tRNA synthetase., Nakanishi K, Ogiso Y, Nakama T, Fukai S, Nureki O, Nat Struct Mol Biol. 2005 Oct;12(10):931-2. Epub 2005 Sep 11. PMID:16155581

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (224 Kb) [Save to disk] Biological Unit Coordinates (2csx.pdb1.gz) 111 Kb Biological Unit Coordinates (2csx.pdb2.gz) 111 Kb CSU: Contacts of Structural Units for 2CSX Likely Quarternary Molecular Structure file(s) for 2CSX Structure Factors (424 Kb) Retrieve 2CSX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2CSX from S2C, [Save to disk] Re-refined 2csx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2CSX 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 2CSX

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 2CSX, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2csx_A] [2csx_B] [2csx_C] [2csx_D] [2csx] SWISS-PROT database: [O67298] Domain organization of [SYM_AQUAE] by SWISSPFAM

Other resources with information on 2CSX

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

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