1R6T Ligase date Oct 16, 2003
title Crystal Structure Of Human Tryptophanyl-Trna Synthetase
authors X.L.Yang, F.J.Otero, R.J.Skene, D.E.Mcree, L.Ribas De Pouplana, P.Schimmel
compound source
Molecule: Tryptophanyl-Trna Synthetase
Chain: A, B
Synonym: Tryptophan--Trna Ligase, Trprs, Ifp53, Hwrs
Ec: 6.1.1.2
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Wars
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: B834(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet20b+
symmetry Space Group: C 1 2 1
R_factor 0.208 R_Free 0.239
crystal
cell
length a length b length c angle alpha angle beta angle gamma
152.146 95.713 98.506 90.00 91.62 90.00
method X-Ray Diffractionresolution 2.10 Å
ligand GOL, MSE, TYM enzyme Ligase E.C.6.1.1.2 BRENDA
related structures by homologous chain: 1R6U, 1ULH
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceCrystal structures that suggest late development of genetic code components for differentiating aromatic side chains., Yang XL, Otero FJ, Skene RJ, McRee DE, Schimmel P, de Pouplana LR, Proc Natl Acad Sci U S A 2003 Dec 23;100(26):15376-80. Epub 2003 Dec 11. PMID:14671330
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (143 Kb) [Save to disk]
  • Biological Unit Coordinates (1r6t.pdb1.gz) 136 Kb
  • LPC: Ligand-Protein Contacts for 1R6T
  • CSU: Contacts of Structural Units for 1R6T
  • Likely Quarternary Molecular Structure file(s) for 1R6T
  • Structure Factors (2033 Kb)
  • Retrieve 1R6T in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1R6T from S2C, [Save to disk]
  • Re-refined 1r6t structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1R6T 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 1R6T
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1R6T, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1r6ta1, region A:7-60 [Jmol] [rasmolscript] [script source]
        - Domain d1r6ta2, region A:82-467 [Jmol] [rasmolscript] [script source]
        - Domain d1r6tb_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1r6t from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1r6t_B] [1r6t] [1r6t_A]
  • SWISS-PROT database: [P23381]
  • Domain organization of [SYWC_HUMAN] by SWISSPFAM
  • Domain found in 1R6T: [WHEP-TRS ] by SMART
  • Other resources with information on 1R6T
  • Community annotation for 1R6T at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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