1EFW	Ligase Rna	date	Feb 10, 2000
title	Crystal Structure Of Aspartyl-Trna Synthetase From Thermus Thermophilus Complexed To Trnaasp From Escherichia Coli
authors	C.Briand, A.Poterszman, S.Eiler, G.Webster, J.C.Thierry, D.Moras
compound		source
Molecule: Aspartyl-Trna Chain: C, D Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Aspartyl-Trna Synthetase Chain: A, B Synonym: Aspartate - Trna Ligase, Asprs Ec: 6.1.1.12 Engineered: Yes		Organism_scientific: Thermus Thermophilus Organism_taxid: 274 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 63	R_factor 0.248 R_Free 0.293
crystal cell	length a length b length c angle alpha angle beta angle gamma 251.450 251.450 88.700 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	2MA, 4SU, 5MU, G7M, H2U, PSU, QUO	enzyme	Ligase E.C.6.1.1.12 BRENDA
related structures	by homologous chain: 1G51
Gene Ontology	Chain Function Process Component A, B
Primary reference	An intermediate step in the recognition of tRNA(Asp) by aspartyl-tRNA synthetase., Briand C, Poterszman A, Eiler S, Webster G, Thierry J, Moras D, J Mol Biol 2000 Jun 16;299(4):1051-60. PMID:10843857

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (258 Kb) [Save to disk] Biological Unit Coordinates (1efw.pdb1.gz) 127 Kb Biological Unit Coordinates (1efw.pdb2.gz) 127 Kb LPC: Ligand-Protein Contacts for 1EFW CSU: Contacts of Structural Units for 1EFW Likely Quarternary Molecular Structure file(s) for 1EFW Structure Factors (505 Kb) Retrieve 1EFW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1EFW from S2C, [Save to disk] Re-refined 1efw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1EFW 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 1EFW

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 1EFW, from MSDmotif at EBI Structure summary from SCOR (Structural Classification of RNA) Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1efwa1, region A:1-104 [Jmol] [rasmolscript] [script source]     - Domain d1efwa3, region A:105-294,A:415-580 [Jmol] [rasmolscript] [script source]     - Domain d1efwa2, region A:295-414 [Jmol] [rasmolscript] [script source]     - Domain d1efwb1, region B:1-104 [Jmol] [rasmolscript] [script source]     - Domain d1efwb3, region B:105-294,B:415-580 [Jmol] [rasmolscript] [script source]     - Domain d1efwb2, region B:295-414 [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: [1efw_A] [1efw_D] [1efw] [1efw_B] [1efw_C] SWISS-PROT database: [P36419] Domain organization of [SYD_THETH] by SWISSPFAM

Other resources with information on 1EFW

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

Movements, Movies and Images

Domain movements in 1EFW from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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