1I5O Transferase date Feb 28, 2001
title Crystal Structure Of Mutant R105a Of E. Coli Aspartate Transcarbamoylase
authors C.P.Macol, H.Tsuruta, B.Stec, E.R.Kantrowitz
compound source
Molecule: Aspartate Transcarbamoylase Catalytic Chain
Chain: A, C
Synonym: Aspartate Carbamoyltransferase Catalytic Chain
Ec: 2.1.3.2
Engineered: Yes
Mutation: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Pyrb, Pyri
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Ek1104
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pek76

Molecule: Aspartate Transcarbamoylase Regulatory Chain
Chain: B, D
Synonym: Aspartate Carbamoyltransferase Regulatory Chain
Engineered: Yes

Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Pyrb, Pyri
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Ek1104
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pek76
symmetry Space Group: P 3 2 1
R_factor 0.155 R_Free 0.212
crystal
cell
length a length b length c angle alpha angle beta angle gamma
122.250 122.250 142.670 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.80 Å
ligand PAL, ZN enzyme Transferase E.C.2.1.3.2 BRENDA
related structures by homologous chain: 1AT1, 1XJW
Gene
Ontology
ChainFunctionProcessComponent
A, C


D, B


Primary referenceDirect structural evidence for a concerted allosteric transition in Escherichia coli aspartate transcarbamoylase., Macol CP, Tsuruta H, Stec B, Kantrowitz ER, Nat Struct Biol 2001 May;8(5):423-6. PMID:11323717
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (154 Kb) [Save to disk]
  • Biological Unit Coordinates (1i5o.pdb1.gz) 441 Kb
  • LPC: Ligand-Protein Contacts for 1I5O
  • CSU: Contacts of Structural Units for 1I5O
  • Likely Quarternary Molecular Structure file(s) for 1I5O
  • Structure Factors (217 Kb)
  • Retrieve 1I5O in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1I5O from S2C, [Save to disk]
  • Re-refined 1i5o structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1I5O 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 1I5O
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1I5O, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1i5oa1, region A:1-150 [Jmol] [rasmolscript] [script source]
        - Domain d1i5oa2, region A:151-310 [Jmol] [rasmolscript] [script source]
        - Domain d1i5ob1, region B:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1i5ob2, region B:101-153 [Jmol] [rasmolscript] [script source]
        - Domain d1i5oc1, region C:1-150 [Jmol] [rasmolscript] [script source]
        - Domain d1i5oc2, region C:151-310 [Jmol] [rasmolscript] [script source]
        - Domain d1i5od1, region D:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1i5od2, region D:101-153 [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: [1i5o_A] [1i5o_D] [1i5o_B] [1i5o] [1i5o_C]
  • SWISS-PROT database: [P0A786] [P0A7F3]
  • Domain organization of [PYRB_ECOLI] [PYRI_ECOLI] by SWISSPFAM
  • Other resources with information on 1I5O
  • Community annotation for 1I5O at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Domain movements in 1I5O from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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