1TKY	Ligase	date	Jun 09, 2004
title	Crystal Structure Of The Editing Domain Of Threonyl-Trna Syn Complexed With Seryl-3'-Aminoadenosine
authors	A.C.Dock-Bregeon, B.Rees, A.Torres-Larios, G.Bey, J.Caillet, D.Mo
compound		source
Molecule: Threonyl-Trna Synthetase Chain: A Fragment: Domains N1 And N2 (Residues 1-224) Synonym: Threonine--Trna Ligase, Thrrs Ec: 6.1.1.3 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Thrs, B1719, C2116, Sf1512, S1630 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28
symmetry	Space Group: P 21 21 21	R_factor 0.201 R_Free 0.222
crystal cell	length a length b length c angle alpha angle beta angle gamma 43.563 45.429 116.532 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.48 Å
ligand	A3S	enzyme	Ligase E.C.6.1.1.3 BRENDA
related structures	by homologous chain: 1TKE, 1TKG
Gene Ontology	Chain Function Process Component A
Primary reference	Achieving error-free translation; the mechanism of proofreading of threonyl-tRNA synthetase at atomic resolution., Dock-Bregeon AC, Rees B, Torres-Larios A, Bey G, Caillet J, Moras D, Mol Cell 2004 Nov 5;16(3):375-86. PMID:15525511

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (46 Kb) [Save to disk] Biological Unit Coordinates (1tky.pdb1.gz) 42 Kb LPC: Ligand-Protein Contacts for 1TKY CSU: Contacts of Structural Units for 1TKY Likely Quarternary Molecular Structure file(s) for 1TKY Structure Factors (305 Kb) Retrieve 1TKY in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1TKY from S2C, [Save to disk] Re-refined 1tky structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1TKY 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 1TKY

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1TKY from the CEP Server. Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1TKY, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1tkya1, region A:1-62 [Jmol] [rasmolscript] [script source]     - Domain d1tkya2, region A:63-224 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1tky] [1tky_A] SWISS-PROT database: [P0A8M3] Domain organization of [SYT_ECOLI] by SWISSPFAM Domain found in 1TKY: [tRNA_SAD ] by SMART

Other resources with information on 1TKY

Community annotation for 1TKY at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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