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] (78 Kb) [Save to disk] Biological Unit Coordinates (1cg0.pdb1.gz) 144 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

Cartoon representation from PDB Cartoon Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo 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] Fold representative 1cg0 from FSSP and Dali (Families of Structurally Similar Proteins) 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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