1CG0	Ligase	date	Mar 26, 1999
title	Structure Of Adenylosuccinate Synthetase From E. Coli Comple Hadacidin, Gdp, 6-Phosphoryl-Imp, And Mg2+
authors	J.Y.Choe, B.W.Poland, H.Fromm, R.Honzatko
compound		source
Molecule: Protein (Adenylosuccinate Synthetase) Chain: A Synonym: Ampsase Ec: 6.3.4.4 Engineered: Yes		Organism_scientific: Escherichia Coli K12 Organism_taxid: 83333 Strain: K-12 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Pur A- Strain H1238 Expression_system_plasmid: Ptrc99a
symmetry	Space Group: P 32 2 1	R_factor 0.160 R_Free 0.259
crystal cell	length a length b length c angle alpha angle beta angle gamma 79.860 79.860 158.430 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	GDP, HDA, IMO, MG	enzyme	Ligase E.C.6.3.4.4 BRENDA
related structures	by homologous chain: 1CG3, 1HOP
Gene Ontology	Chain Function Process Component A
Primary reference	Mechanistic implications from crystalline complexes of wild-type and mutant adenylosuccinate synthetases from Escherichia coli., Choe JY, Poland BW, Fromm HJ, Honzatko RB, Biochemistry 1999 May 25;38(21):6953-61. PMID:10346917

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (76 Kb) [Save to disk] Biological Unit Coordinates (1cg0.pdb1.gz) 141 Kb LPC: Ligand-Protein Contacts for 1CG0 CSU: Contacts of Structural Units for 1CG0 Likely Quarternary Molecular Structure file(s) for 1CG0 Structure Factors (135 Kb) Retrieve 1CG0 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CG0 from S2C, [Save to disk] Re-refined 1cg0 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1CG0 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 1CG0

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1CG0, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1cg0a_, region A [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: [1cg0] [1cg0_A] SWISS-PROT database: [P0A7D4] Domain organization of [PURA_ECOLI] by SWISSPFAM Domain found in 1CG0: [Adenylsucc_synt ] by SMART

Other resources with information on 1CG0

Community annotation for 1CG0 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 1CG0 from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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