1S1M Ligase date Jan 06, 2004
title Crystal Structure Of E. Coli Ctp Synthetase
authors J.A.Endrizzi, H.Kim, P.M.Anderson, E.P.Baldwin
compound source
Molecule: Ctp Synthase
Chain: A, B
Synonym: Utp--Ammonia Ligase, Ctp Synthetase
Ec: 6.3.4.2
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Pyrg, B2780, C3345, Z4095, Ecs3640, Sf2795, S2989
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 21 21 2
R_factor 0.214 R_Free 0.281
crystal
cell
length a length b length c angle alpha angle beta angle gamma
165.507 106.807 130.033 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.30 Å
ligand IOD, MG, MPD, SO4 enzyme Ligase E.C.6.3.4.2 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceCrystal Structure of Escherichia coli Cytidine Triphosphate Synthetase, a Nucleotide-Regulated Glutamine Amidotransferase/ATP-Dependent Amidoligase Fusion Protein and Homologue of Anticancer and Antiparasitic Drug Targets(,)., Endrizzi JA, Kim H, Anderson PM, Baldwin EP, Biochemistry 2004 Jun 1;43(21):6447-6463. PMID:15157079
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (184 Kb) [Save to disk]
  • Biological Unit Coordinates (1s1m.pdb1.gz) 352 Kb
  • LPC: Ligand-Protein Contacts for 1S1M
  • CSU: Contacts of Structural Units for 1S1M
  • Likely Quarternary Molecular Structure file(s) for 1S1M
  • Structure Factors (783 Kb)
  • Retrieve 1S1M in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1S1M from S2C, [Save to disk]
  • Re-refined 1s1m structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1S1M 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 1S1M
  • 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 1S1M, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1s1ma2, region A:1-266 [Jmol] [rasmolscript] [script source]
        - Domain d1s1ma1, region A:287-544 [Jmol] [rasmolscript] [script source]
        - Domain d1s1mb2, region B:1-266 [Jmol] [rasmolscript] [script source]
        - Domain d1s1mb1, region B:287-545 [Jmol] [rasmolscript] [script source]
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1s1m] [1s1m_A] [1s1m_B]
  • SWISS-PROT database: [P0A7E5]
  • Domain organization of [PYRG_ECOLI] by SWISSPFAM
  • Other resources with information on 1S1M
  • Community annotation for 1S1M at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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