1PIQ Dna Binding Protein date Sep 25, 1998
title Crystal Structure Of Gcn4-Piq, A Trimeric Coiled Coil With B Polar Residues
authors D.M.Eckert, V.N.Malashkevich, P.S.Kim
compound source
Molecule: Protein (General Control Protein Gcn4-Piq)
Chain: A
Fragment: Coiled-Coil Domain
Engineered: Yes
Mutation: Yes
Other_details: Gcn4 Leucine Zipper Core Mutant Replaced Ile Gcn4-Pii With Gln
Synthetic: Yes
Other_details: The Protein Was Chemically Synthesized
symmetry Space Group: P 3 2 1
R_factor 0.211 R_Free 0.236
length a length b length c angle alpha angle beta angle gamma
39.660 39.660 47.470 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.80 Å
ligand ACE, CL enzyme
related structures by homologous chain: 1CE9, 1GZL
Primary referenceCrystal structure of GCN4-pIQI, a trimeric coiled coil with buried polar residues., Eckert DM, Malashkevich VN, Kim PS, J Mol Biol 1998 Dec 11;284(4):859-65. PMID:9837709
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (11 Kb) [Save to disk]
  • Biological Unit Coordinates (1piq.pdb1.gz) 13 Kb
  • LPC: Ligand-Protein Contacts for 1PIQ
  • CSU: Contacts of Structural Units for 1PIQ
  • Likely Quarternary Molecular Structure file(s) for 1PIQ
  • Retrieve 1PIQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1PIQ from S2C, [Save to disk]
  • View 1PIQ 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 1PIQ
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1PIQ, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1piqa_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1piq 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: [1piq_A] [1piq]
  • SWISS-PROT database: [P03069]
  • Domain organization of [GCN4_YEAST] by SWISSPFAM
  • Other resources with information on 1PIQ
  • Community annotation for 1PIQ 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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