1CQI	Ligase	date	Aug 06, 1999
title	Crystal Structure Of The Complex Of Adp And Mg2+ With Dephos E. Coli Succinyl-Coa Synthetase
authors	M.A.Joyce, M.E.Fraser, M.N.G.James, W.A.Bridger, W.T.Wolodko
compound		source
Molecule: Protein (Succinyl-Coa Synthetase Alpha Chain) Chain: A, D Fragment: Alpha Subunit Synonym: Scs-Alpha Ec: 6.2.1.5 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Protein (Succinyl-Coa Synthetase Beta Chain) Chain: B, E Fragment: Beta Subunit Synonym: Scs-Beta Ec: 6.2.1.5 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 43 2 2	R_factor 0.191 R_Free 0.247
crystal cell	length a length b length c angle alpha angle beta angle gamma 99.860 99.860 407.150 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.30 Å
ligand	ADP, COA, MG, PO4	enzyme	Ligase E.C.6.2.1.5 BRENDA
note	1CQI (Molecule of the Month:pdb154)
Gene Ontology	Chain Function Process Component A, D E, B
Primary reference	ADP-binding site of Escherichia coli succinyl-CoA synthetase revealed by x-ray crystallography., Joyce MA, Fraser ME, James MN, Bridger WA, Wolodko WT, Biochemistry 2000 Jan 11;39(1):17-25. PMID:10625475

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (196 Kb) [Save to disk] Biological Unit Coordinates (1cqi.pdb1.gz) 190 Kb LPC: Ligand-Protein Contacts for 1CQI CSU: Contacts of Structural Units for 1CQI Likely Quarternary Molecular Structure file(s) for 1CQI Structure Factors (273 Kb) Retrieve 1CQI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CQI from S2C, [Save to disk] Re-refined 1cqi structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1CQI 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 1CQI

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 1CQI, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1cqia1, region A:1-121 [Jmol] [rasmolscript] [script source]     - Domain d1cqia2, region A:122-286 [Jmol] [rasmolscript] [script source]     - Domain d1cqib2, region B:1-238 [Jmol] [rasmolscript] [script source]     - Domain d1cqib1, region B:239-385 [Jmol] [rasmolscript] [script source]     - Domain d1cqid1, region D:1-121 [Jmol] [rasmolscript] [script source]     - Domain d1cqid2, region D:122-286 [Jmol] [rasmolscript] [script source]     - Domain d1cqie2, region E:1-238 [Jmol] [rasmolscript] [script source]     - Domain d1cqie1, region E:239-385 [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: [1cqi_A] [1cqi_D] [1cqi_B] [1cqi_E] [1cqi] SWISS-PROT database: [P0A836] [P0AGE9] Domain organization of [SUCC_ECOLI] [SUCD_ECOLI] by SWISSPFAM Domain found in 1CQI: [CoA_binding ] by SMART

Other resources with information on 1CQI

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

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