2HL0	Ligase	date	Jul 06, 2006
title	Crystal Structure Of The Editing Domain Of Threonyl-Trna Syn From Pyrococcus Abyssi In Complex With Seryl-3'-Aminoadenos
authors	T.Hussain, S.P.Kruparani, B.Pal, R.Sankaranarayanan
compound		source
Molecule: Threonyl-Trna Synthetase Chain: A Fragment: Editing Domain (Residues 1-143) Synonym: Threonine--Trna Ligase, Thrrs Ec: 6.1.1.3 Engineered: Yes		Organism_scientific: Pyrococcus Abyssi Organism_taxid: 29292 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet21b
symmetry	Space Group: I 2 2 2	R_factor 0.193 R_Free 0.220
crystal cell	length a length b length c angle alpha angle beta angle gamma 53.022 77.223 90.952 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.86 Å
ligand	A3S	enzyme	Ligase E.C.6.1.1.3 BRENDA
note	2HL0 is a representative structure
Gene Ontology	Chain Function Process Component A
Primary reference	Post-transfer editing mechanism of a D-aminoacyl-tRNA deacylase-like domain in threonyl-tRNA synthetase from archaea., Hussain T, Kruparani SP, Pal B, Dock-Bregeon AC, Dwivedi S, Shekar MR, Sureshbabu K, Sankaranarayanan R, EMBO J. 2006 Aug 10;. PMID:16902403

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (32 Kb) [Save to disk] Biological Unit Coordinates (2hl0.pdb1.gz) 54 Kb LPC: Ligand-Protein Contacts for 2HL0 CSU: Contacts of Structural Units for 2HL0 Likely Quarternary Molecular Structure file(s) for 2HL0 Structure Factors (133 Kb) Retrieve 2HL0 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HL0 from S2C, [Save to disk] Re-refined 2hl0 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2HL0 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 2HL0

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 2HL0, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2hl0_A] [2hl0] SWISS-PROT database: [Q9UZ14] Domain organization of [SYT_PYRAB] by SWISSPFAM

Other resources with information on 2HL0

Community annotation for 2HL0 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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