1C0A	Ligase Rna	date	Jul 15, 1999
title	Crystal Structure Of The E. Coli Aspartyl-Trna Synthetase : Aspartyl-Adenylate Complex
authors	S.Eiler, A.C.Dock-Bregeon, L.Moulinier, J.C.Thierry, D.Moras
compound		source
Molecule: Aspartyl Trna Chain: B Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Ptrc99
Molecule: Aspartyl Trna Synthetase Chain: A Synonym: Aspartate-Trna Ligase, Asprs Ec: 6.1.1.12 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pbr322
symmetry	Space Group: P 43 21 2	R_factor 0.208 R_Free 0.249
crystal cell	length a length b length c angle alpha angle beta angle gamma 101.200 101.200 231.810 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	4SU, 5MU, AMO, AMP, G7M, H2U, PSU, QUO, SO4	enzyme	Ligase E.C.6.1.1.12 BRENDA
related structures	by homologous chain: 1IL2
Gene Ontology	Chain Function Process Component A
Primary reference	Synthesis of aspartyl-tRNA(Asp) in Escherichia coli--a snapshot of the second step., Eiler S, Dock-Bregeon A, Moulinier L, Thierry JC, Moras D, EMBO J 1999 Nov 15;18(22):6532-41. PMID:10562565

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (142 Kb) [Save to disk] Biological Unit Coordinates (1c0a.pdb1.gz) 135 Kb LPC: Ligand-Protein Contacts for 1C0A CSU: Contacts of Structural Units for 1C0A Likely Quarternary Molecular Structure file(s) for 1C0A Structure Factors (352 Kb) Retrieve 1C0A in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1C0A from S2C, [Save to disk] Re-refined 1c0a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1C0A 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 1C0A

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 1C0A, from MSDmotif at EBI Structure summary from SCOR (Structural Classification of RNA) Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1c0aa1, region A:1-106 [Jmol] [rasmolscript] [script source]     - Domain d1c0aa3, region A:107-287,A:421-585 [Jmol] [rasmolscript] [script source]     - Domain d1c0aa2, region A:288-420 [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: [1c0a_A] [1c0a_B] [1c0a] SWISS-PROT database: [P21889] Domain organization of [SYD_ECOLI] by SWISSPFAM

Other resources with information on 1C0A

Community annotation for 1C0A at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 1C0A from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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