1QAD Transferase date Feb 26, 1999
title Crystal Structure Of The C-Terminal Sh2 Domain Of The P85 Alpha Regulatory Subunit Of Phosphoinositide 3-Kinase: An Sh2 Domain Mimicking Its Own Substrate
authors P.J.Hoedemaeker, G.Siegal, M.Roe, P.C.Driscoll, J.P.A.Abrahams
compound source
Molecule: Pi3-Kinase P85 Alpha Subunit
Chain: A
Fragment: C-Terminal Sh2 Domain
Engineered: Yes
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Expression_system_common: Bacterial
symmetry Space Group: P 21 21 21
R_factor 0.158 R_Free 0.236
length a length b length c angle alpha angle beta angle gamma
38.680 46.920 62.980 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.80 Å
note 1QAD is a representative structure
related structures by homologous chain: 1H9O, 1PIC
Primary referenceCrystal structure of the C-terminal SH2 domain of the p85alpha regulatory subunit of phosphoinositide 3-kinase: an SH2 domain mimicking its own substrate., Hoedemaeker FJ, Siegal G, Roe SM, Driscoll PC, Abrahams JP, J Mol Biol 1999 Oct 1;292(4):763-70. PMID:10525402
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (45 Kb) [Save to disk]
  • Biological Unit Coordinates (1qad.pdb1.gz) 42 Kb
  • CSU: Contacts of Structural Units for 1QAD
  • Likely Quarternary Molecular Structure file(s) for 1QAD
  • Structure Factors (83 Kb)
  • Retrieve 1QAD in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QAD from S2C, [Save to disk]
  • Re-refined 1qad structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1QAD 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 1QAD
  • 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 1QAD, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qada_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1qad 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: [1qad_A] [1qad]
  • SWISS-PROT database: [P23727]
  • Domain organization of [P85A_BOVIN] by SWISSPFAM
  • Domain found in 1QAD: [SH2 ] by SMART
  • Other resources with information on 1QAD
  • Community annotation for 1QAD 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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