1BS2	Ligase	date	Aug 31, 1998
title	Yeast Arginyl-Trna Synthetase
authors	J.Cavarelli, B.Delagouute, G.Eriani, J.Gangloff, D.Moras
compound		source
Molecule: Protein (Arginyl-Trna Synthetase) Chain: A Synonym: Argrs, Arginine - Trna Ligase Ec: 6.1.1.19 Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Atcc: Ydr341c S70106 Collection: Ydr341c S70106 Cellular_location: Cytoplasm Expression_system: Escherichia Coli Expression_system_taxid: 562 Other_details: Yeast Genome, Chromosome Iv, Open Reading Fr Ydr341c, Accession Number S70106
symmetry	Space Group: P 43 21 2	R_factor 0.207 R_Free 0.269
crystal cell	length a length b length c angle alpha angle beta angle gamma 100.374 100.374 204.341 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.75 Å
ligand	ARG	enzyme	Ligase E.C.6.1.1.19 BRENDA
related structures	by homologous chain: 1F7U, 1F7V
Gene Ontology	Chain Function Process Component A
Primary reference	L-arginine recognition by yeast arginyl-tRNA synthetase., Cavarelli J, Delagoutte B, Eriani G, Gangloff J, Moras D, EMBO J 1998 Sep 15;17(18):5438-48. PMID:9736621

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (109 Kb) [Save to disk] Biological Unit Coordinates (1bs2.pdb1.gz) 104 Kb LPC: Ligand-Protein Contacts for 1BS2 CSU: Contacts of Structural Units for 1BS2 Likely Quarternary Molecular Structure file(s) for 1BS2 Structure Factors (214 Kb) Retrieve 1BS2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1BS2 from S2C, [Save to disk] Re-refined 1bs2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1BS2 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 1BS2

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 1BS2, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1bs2a2, region A:136-483 [Jmol] [rasmolscript] [script source]     - Domain d1bs2a1, region A:484-607 [Jmol] [rasmolscript] [script source]     - Domain d1bs2a3, region A:5-135 [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1bs2_A] [1bs2] SWISS-PROT database: [Q05506] Domain organization of [SYRC_YEAST] by SWISSPFAM Domains found in 1BS2: [Arg_tRNA_synt_N] [DALR_1 ] by SMART

Other resources with information on 1BS2

Community annotation for 1BS2 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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