2CYC	Ligase	date	Jul 06, 2005
title	Crystal Structure Of Tyrosyl-Trna Synthetase Complexed With From Pyrococcus Horikoshii
authors	M.Kuratani, H.Sakai, M.Takahashi, T.Yanagisawa, T.Kobayashi, K.Sa T.Terada, M.Shirouzu, S.Sekine, S.Yokoyama, Riken Structural Genomicsproteomics Initiative (Rsgi)
compound		source
Molecule: Tyrosyl-Trna Synthetase Chain: A, B Ec: 6.1.1.1 Engineered: Yes		Organism_scientific: Pyrococcus Horikoshii Organism_taxid: 70601 Strain: Ot3 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet11a
symmetry	Space Group: P 21 21 21	R_factor 0.171 R_Free 0.217
crystal cell	length a length b length c angle alpha angle beta angle gamma 74.350 88.260 162.920 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	TYR	enzyme	Ligase E.C.6.1.1.1 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal Structures of Tyrosyl-tRNA Synthetases from Archaea., Kuratani M, Sakai H, Takahashi M, Yanagisawa T, Kobayashi T, Murayama K, Chen L, Liu ZJ, Wang BC, Kuroishi C, Kuramitsu S, Terada T, Bessho Y, Shirouzu M, Sekine S, Yokoyama S, J Mol Biol 2006 Jan 20;355(3):395-408. Epub 2005 Nov 14. PMID:16325203

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (136 Kb) [Save to disk] Biological Unit Coordinates (2cyc.pdb1.gz) 132 Kb LPC: Ligand-Protein Contacts for 2CYC CSU: Contacts of Structural Units for 2CYC Likely Quarternary Molecular Structure file(s) for 2CYC Structure Factors (452 Kb) Retrieve 2CYC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2CYC from S2C, [Save to disk] Re-refined 2cyc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2CYC 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 2CYC

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 2CYC, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2cyc_A] [2cyc_B] [2cyc] SWISS-PROT database: [O58739] Domain organization of [SYY_PYRHO] by SWISSPFAM

Other resources with information on 2CYC

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

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