1QQG Signal Transduction date Jun 04, 1999
title Crystal Structure Of The Ph-Ptb Targeting Region Of Irs-1
authors S.Dhe-Paganon, S.E.Shoelson
compound source
Molecule: Insulin Receptor Substrate 1
Chain: A, B
Fragment: Ph-Ptb (N-Terminal Domain)
Synonym: Irs-1
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_plasmid: Pgex
Other_details: This Sequence Occurs Naturally In Humans.
symmetry Space Group: P 65
R_factor 0.191 R_Free 0.247
length a length b length c angle alpha angle beta angle gamma
120.439 120.439 79.598 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.30 Å
related structures by homologous chain: 1IRS
A, B

Primary referenceCrystal structure of the pleckstrin homology-phosphotyrosine binding (PH-PTB) targeting region of insulin receptor substrate 1., Dhe-Paganon S, Ottinger EA, Nolte RT, Eck MJ, Shoelson SE, Proc Natl Acad Sci U S A 1999 Jul 20;96(15):8378-83. PMID:10411883
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (75 Kb) [Save to disk]
  • Biological Unit Coordinates (1qqg.pdb1.gz) 71 Kb
  • CSU: Contacts of Structural Units for 1QQG
  • Likely Quarternary Molecular Structure file(s) for 1QQG
  • Structure Factors (242 Kb)
  • Retrieve 1QQG in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QQG from S2C, [Save to disk]
  • Re-refined 1qqg structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1QQG 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 1QQG
  • 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 1QQG, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qqga1, region A:12-114 [Jmol] [rasmolscript] [script source]
        - Domain d1qqga2, region A:159-262 [Jmol] [rasmolscript] [script source]
        - Domain d1qqgb1, region B:11-114 [Jmol] [rasmolscript] [script source]
        - Domain d1qqgb2, region B:159-264 [Jmol] [rasmolscript] [script source]
  • Fold representative 1qqg 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: [1qqg_A] [1qqg] [1qqg_B]
  • SWISS-PROT database: [P35568]
  • Domain organization of [IRS1_HUMAN] by SWISSPFAM
  • Domains found in 1QQG: [IRS] [PH] [PTBI ] by SMART
  • Other resources with information on 1QQG
  • Community annotation for 1QQG 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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