1Q95 Transferase date Aug 22, 2003
title Aspartate Transcarbamylase (Atcase) Of Escherichia Coli: A N Crystalline R State Bound To Pala, Or To Product Analogues And Citrate
authors J.Huang, W.N.Lipscomb
compound source
Molecule: Aspartate Carbamoyltransferase Catalytic Chain
Chain: A, B, C, D, E, F
Synonym: Aspartate Transcarbamylase, Atcase
Ec: 2.1.3.2
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Pyrb Or B4245 Or C5345 Or Z5856 Or Ecs5222 Or Sf4245
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Ek1104
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pek54

Molecule: Aspartate Carbamoyltransferase Regulatory Chain
Chain: G, H, I, J, K, L
Engineered: Yes

Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Pyri Or B4244 Or C5344 Or Z5855 Or Ecs5221
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Ek1104
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pek54
symmetry Space Group: P 21 21 21
R_factor 0.230 R_Free 0.270
crystal
cell
length a length b length c angle alpha angle beta angle gamma
125.510 153.490 185.710 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.46 Å
ligand PAL, ZN enzyme Transferase E.C.2.1.3.2 BRENDA
related structures by homologous chain: 8ATC, 9ATC
Gene
Ontology
ChainFunctionProcessComponent
F, A, E, B, C, D


J, K, H, I, G, L


Primary referenceAspartate transcarbamylase (ATCase) of Escherichia coli: a new crystalline R-state bound to PALA, or to product analogues citrate and phosphate., Huang J, Lipscomb WN, Biochemistry 2004 Jun 1;43(21):6415-21. PMID:15157075
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (454 Kb) [Save to disk]
  • Biological Unit Coordinates (1q95.pdb1.gz) 447 Kb
  • LPC: Ligand-Protein Contacts for 1Q95
  • CSU: Contacts of Structural Units for 1Q95
  • Likely Quarternary Molecular Structure file(s) for 1Q95
  • Structure Factors (941 Kb)
  • Retrieve 1Q95 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1Q95 from S2C, [Save to disk]
  • Re-refined 1q95 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1Q95 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 1Q95
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1Q95, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1q95a1, region A:1-150 [Jmol] [rasmolscript] [script source]
        - Domain d1q95a2, region A:151-310 [Jmol] [rasmolscript] [script source]
        - Domain d1q95b1, region B:1-150 [Jmol] [rasmolscript] [script source]
        - Domain d1q95b2, region B:151-310 [Jmol] [rasmolscript] [script source]
        - Domain d1q95c1, region C:1-150 [Jmol] [rasmolscript] [script source]
        - Domain d1q95c2, region C:151-310 [Jmol] [rasmolscript] [script source]
        - Domain d1q95d1, region D:1-150 [Jmol] [rasmolscript] [script source]
        - Domain d1q95d2, region D:151-310 [Jmol] [rasmolscript] [script source]
        - Domain d1q95e1, region E:1-150 [Jmol] [rasmolscript] [script source]
        - Domain d1q95e2, region E:151-310 [Jmol] [rasmolscript] [script source]
        - Domain d1q95f1, region F:1-150 [Jmol] [rasmolscript] [script source]
        - Domain d1q95f2, region F:151-310 [Jmol] [rasmolscript] [script source]
        - Domain d1q95g1, region G:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1q95g2, region G:101-153 [Jmol] [rasmolscript] [script source]
        - Domain d1q95h1, region H:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1q95h2, region H:101-153 [Jmol] [rasmolscript] [script source]
        - Domain d1q95i1, region I:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1q95i2, region I:101-153 [Jmol] [rasmolscript] [script source]
        - Domain d1q95j1, region J:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1q95j2, region J:101-153 [Jmol] [rasmolscript] [script source]
        - Domain d1q95k1, region K:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1q95k2, region K:101-153 [Jmol] [rasmolscript] [script source]
        - Domain d1q95l1, region L:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1q95l2, region L: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: [1q95_A] [1q95_K] [1q95_F] [1q95_D] [1q95_E] [1q95] [1q95_C] [1q95_B] [1q95_I] [1q95_H] [1q95_G] [1q95_L] [1q95_J]
  • SWISS-PROT database: [P0A786] [P0A7F3]
  • Domain organization of [PYRB_ECOLI] [PYRI_ECOLI] by SWISSPFAM
  • Other resources with information on 1Q95
  • Community annotation for 1Q95 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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