1A0A Transcription Dna date Nov 27, 1997
title Phosphate System Positive Regulatory Protein Pho4dna Complex
authors T.Shimizu, A.Toumoto, K.Ihara, M.Shimizu, Y.Kyogoku, N.Ogawa, Y.Oshima, T.Hakoshima
compound source
Molecule: Dna (5'- D(Cptpcpapcpapcpgptpgpgpgpapcptpapg )-3');
Chain: C
Fragment: Upstream Activation Site P2
Synonym: Uasp2(17)
Engineered: Yes
Synthetic: Yes

Molecule: Dna (5'- D(Cptpapgptpcpcpcpapcpgptpgptpgpapg )-3');
Chain: D
Fragment: Upstream Activation Site P2
Synonym: Uasp2(17)
Engineered: Yes

Synthetic: Yes

Molecule: Protein (Phosphate System Positive Regulatory Protein Pho4);
Chain: A, B
Fragment: Dna Binding Domain
Synonym: Bhlh
Engineered: Yes

Organism_scientific: Saccharomyces Cerevisiae
Organism_common: Baker'S Yeast
Organism_taxid: 4932
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21 (De3)
symmetry Space Group: P 21 21 21
R_factor 0.230 R_Free 0.284
length a length b length c angle alpha angle beta angle gamma
53.510 68.300 108.770 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.80 Å
note 1A0A is a representative structure
A, B

Primary referenceCrystal structure of PHO4 bHLH domain-DNA complex: flanking base recognition., Shimizu T, Toumoto A, Ihara K, Shimizu M, Kyogoku Y, Ogawa N, Oshima Y, Hakoshima T, EMBO J 1997 Aug 1;16(15):4689-97. PMID:9303313
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (40 Kb) [Save to disk]
  • Biological Unit Coordinates (1a0a.pdb1.gz) 36 Kb
  • CSU: Contacts of Structural Units for 1A0A
  • Likely Quarternary Molecular Structure file(s) for 1A0A
  • Retrieve 1A0A in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1A0A from S2C, [Save to disk]
  • View 1A0A 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 1A0A
  • 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 1A0A, from MSDmotif at EBI
  • Genome occurence of 1A0A's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1a0aa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1a0ab_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1a0a 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: [1a0a_C] [1a0a_D] [1a0a_A] [1a0a] [1a0a_B]
  • SWISS-PROT database: [P07270]
  • Domain organization of [PHO4_YEAST] by SWISSPFAM
  • Domain found in 1A0A: [HLH ] by SMART
  • Other resources with information on 1A0A
  • Community annotation for 1A0A at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Domain movements in 1A0A from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

  • You may enter another PDB ID code
    Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]
    OCA© by Jaime Prilusky, 1996-2014
    Bioinformatics Unit
    Weizmann Institute of Science