1PFQ Hydrolase date May 27, 2003
title Crystal Structure Of Human Apo Dipeptidyl Peptidase Iv Cd2
authors C.Oefner, A.D'Arcy, A.Mac Sweeney, S.Pierau, R.Gardiner, G.E.Dale
compound source
Molecule: Dipeptidyl Peptidase Iv Soluble Form
Chain: A, B
Synonym: Dpp Iv, T-Cell Activation Antigen Cd26, Tp103, Ade Deaminase Complexing Protein-2, Adabp;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Dpp4 Or Adcp2 Or Cd26
Expression_system: Pichia Pastoris
Expression_system_taxid: 4922
Expression_system_strain: Km71
Expression_system_vector: Picz
symmetry Space Group: P 21 21 21
R_factor 0.254 R_Free 0.298
length a length b length c angle alpha angle beta angle gamma
71.031 118.142 184.583 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.90 Å
ligand NAG enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1ORV, 2BGR
A, B
  • virus receptor activity
  • chemorepellent activity

  • Primary referenceHigh-resolution structure of human apo dipeptidyl peptidase IV/CD26 and its complex with 1-[([2-[(5-iodopyridin-2-yl)amino]-ethyl]amino)-acetyl]-2-cyano-(S)-pyrrol idine., Oefner C, D'Arcy A, Mac Sweeney A, Pierau S, Gardiner R, Dale GE, Acta Crystallogr D Biol Crystallogr 2003 Jul;59(Pt 7):1206-12. PMID:12832764
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (248 Kb) [Save to disk]
  • Biological Unit Coordinates (1pfq.pdb1.gz) 241 Kb
  • LPC: Ligand-Protein Contacts for 1PFQ
  • CSU: Contacts of Structural Units for 1PFQ
  • Likely Quarternary Molecular Structure file(s) for 1PFQ
  • Structure Factors (2870 Kb)
  • Retrieve 1PFQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1PFQ from S2C, [Save to disk]
  • Re-refined 1pfq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1PFQ 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 1PFQ
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1PFQ, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1pfqa1, region A:39-508 [Jmol] [rasmolscript] [script source]
        - Domain d1pfqa2, region A:509-766 [Jmol] [rasmolscript] [script source]
        - Domain d1pfqb1, region B:36-508 [Jmol] [rasmolscript] [script source]
        - Domain d1pfqb2, region B:509-766 [Jmol] [rasmolscript] [script source]
  • Fold representative 1pfq from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1pfq] [1pfq_B] [1pfq_A]
  • SWISS-PROT database: [P27487]
  • Domain organization of [DPP4_HUMAN] by SWISSPFAM
  • Other resources with information on 1PFQ
  • Community annotation for 1PFQ 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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