1A0A	Transcription Dna	date	Nov 27, 1997
title	Phosphate System Positive Regulatory Protein Pho4dna Comple
authors	T.Shimizu, A.Toumoto, K.Ihara, M.Shimizu, Y.Kyogoku, N.Ogawa, Y.Os 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 Pro 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
crystal cell	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 Diffraction	resolution	2.80 Å
note	1A0A is a representative structure
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal 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) 35 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

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server 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] 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.

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