1PKX Transferase, Hydrolase date Jun 06, 2003
title Crystal Structure Of Human Atic In Complex With Xmp
authors D.W.Wolan, C.G.Cheong, S.E.Greasley, I.A.Wilson
compound source
Molecule: Bifunctional Purine Biosynthesis Protein Purh
Chain: A, B, C, D
Synonym: Atic
Ec: 2.1.2.3, 3.5.4.10
Engineered: Yes
Other_details: Includes: Phosphoribosylaminoimidazolecarbox Formyltransferase (Aicar Transformylase) And Imp Cyclohydro (Inosinicase) (Imp Synthetase)
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Atic
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Tuner De3
Expression_system_vector_type: Pet28a
symmetry Space Group: P 1 21 1
R_factor 0.211 R_Free 0.249
crystal
cell
length a length b length c angle alpha angle beta angle gamma
77.520 93.560 179.880 90.00 91.09 90.00
method X-Ray Diffractionresolution 1.90 Å
ligand K, XMP enzyme Transferase E.C.2.1.2.3 BRENDA
related structures by homologous chain: 1M9N, 1THZ
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B


Primary referenceStructural insights into the human and avian IMP cyclohydrolase mechanism via crystal structures with the bound XMP inhibitor., Wolan DW, Cheong CG, Greasley SE, Wilson IA, Biochemistry 2004 Feb 10;43(5):1171-83. PMID:14756553
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (376 Kb) [Save to disk]
  • Biological Unit Coordinates (1pkx.pdb1.gz) 189 Kb
  • Biological Unit Coordinates (1pkx.pdb2.gz) 187 Kb
  • LPC: Ligand-Protein Contacts for 1PKX
  • CSU: Contacts of Structural Units for 1PKX
  • Likely Quarternary Molecular Structure file(s) for 1PKX
  • Structure Factors (2518 Kb)
  • Retrieve 1PKX in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1PKX from S2C, [Save to disk]
  • Re-refined 1pkx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1PKX 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 1PKX
  • 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 1PKX, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1pkxa2, region A:201-592 [Jmol] [rasmolscript] [script source]
        - Domain d1pkxa1, region A:3-200 [Jmol] [rasmolscript] [script source]
        - Domain d1pkxb2, region B:201-592 [Jmol] [rasmolscript] [script source]
        - Domain d1pkxb1, region B:4-200 [Jmol] [rasmolscript] [script source]
        - Domain d1pkxc2, region C:201-592 [Jmol] [rasmolscript] [script source]
        - Domain d1pkxc1, region C:4-200 [Jmol] [rasmolscript] [script source]
        - Domain d1pkxd2, region D:201-592 [Jmol] [rasmolscript] [script source]
        - Domain d1pkxd1, region D:4-200 [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: [1pkx_C] [1pkx_B] [1pkx_A] [1pkx_D] [1pkx]
  • SWISS-PROT database: [P31939]
  • Domain organization of [PUR9_HUMAN] by SWISSPFAM
  • Domains found in 1PKX: [AICARFT_IMPCHas] [MGS ] by SMART
  • Other resources with information on 1PKX
  • Community annotation for 1PKX 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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