2A4M	Ligase	date	Jun 29, 2005
title	Structure Of Trprs II Bound To Atp
authors	M.R.Buddha, B.R.Crane
compound		source
Molecule: Tryptophanyl-Trna Synthetase II Chain: A, B, C Synonym: Tryptophan--Trna Ligase II, Trprs II Ec: 6.1.1.2 Engineered: Yes		Organism_scientific: Deinococcus Radiodurans Organism_taxid: 1299 Gene: Trps2, Trpsii Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28a, Trprs II
symmetry	Space Group: C 1 2 1	R_factor 0.230 R_Free 0.270
crystal cell	length a length b length c angle alpha angle beta angle gamma 212.582 58.574 85.150 90.00 96.64 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	TRP	enzyme	Ligase E.C.6.1.1.2 BRENDA
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Structures of tryptophanyl-tRNA synthetase II from Deinococcus radiodurans bound to ATP and tryptophan: Insight into subunit cooperativity and domain motions linked to catalysis., Buddha MR, Crane BR, J Biol Chem 2005 Jul 5;. PMID:15998643

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (177 Kb) [Save to disk] Biological Unit Coordinates (2a4m.pdb1.gz) 116 Kb Biological Unit Coordinates (2a4m.pdb2.gz) 116 Kb LPC: Ligand-Protein Contacts for 2A4M CSU: Contacts of Structural Units for 2A4M Likely Quarternary Molecular Structure file(s) for 2A4M Retrieve 2A4M in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2A4M from S2C, [Save to disk]

View 2A4M 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 2A4M

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2A4M, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2a4m] [2a4m_B] [2a4m_A] [2a4m_C] SWISS-PROT database: [Q9RVD6] Domain organization of [SYW2_DEIRA] by SWISSPFAM

Other resources with information on 2A4M

Community annotation for 2A4M at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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