1VBN	Ligase	date	Feb 27, 2004
title	Escherichia Coli Tyrosyl-Trna Synthetase Mutant Complexed Wi
authors	T.Kobayashi, K.Sakamoto, T.Takimura, K.Kamata, R.Sekine, S.Nishim S.Yokoyama, Riken Structural Genomicsproteomics Initiative
compound		source
Molecule: Tyrosyl-Trna Synthetase Chain: A, B Fragment: Residues 5-322 Synonym: Tyrosine--Trna Ligase, Tyrrs Ec: 6.1.1.1 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex-6p1
symmetry	Space Group: P 32 2 1	R_factor 0.217 R_Free 0.283
crystal cell	length a length b length c angle alpha angle beta angle gamma 83.627 83.627 183.490 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	YSA	enzyme	Ligase E.C.6.1.1.1 BRENDA
related structures	by homologous chain: 1VBM, 1X8X
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural basis of nonnatural amino acid recognition by an engineered aminoacyl-tRNA synthetase for genetic code expansion., Kobayashi T, Sakamoto K, Takimura T, Sekine R, Vincent K, Kamata K, Nishimura S, Yokoyama S, Proc Natl Acad Sci U S A 2005 Feb 1;102(5):1366-71. Epub 2005 Jan 25. PMID:15671170

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (110 Kb) [Save to disk] Biological Unit Coordinates (1vbn.pdb1.gz) 105 Kb LPC: Ligand-Protein Contacts for 1VBN CSU: Contacts of Structural Units for 1VBN Likely Quarternary Molecular Structure file(s) for 1VBN Structure Factors (228 Kb) Retrieve 1VBN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1VBN from S2C, [Save to disk] Re-refined 1vbn structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1VBN 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 1VBN

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 1VBN, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1vbn_A] [1vbn_B] [1vbn] SWISS-PROT database: [P0AGJ9] Domain organization of [SYY_ECOLI] by SWISSPFAM

Other resources with information on 1VBN

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

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