1JH9	Transcription Dna	date	Jun 27, 2001
title	Purine Repressor Mutant-Hypoxanthine-Purf Operator Complex
authors	J.L.Huffman, F.Lu, H.Zalkin, R.G.Brennan
compound		source
Molecule: 5'-D(Apapcpgpapapapapcpgptptptptpc 3'; Chain: B Engineered: Yes		Synthetic: Yes
Molecule: Purine Nucleotide Synthesis Repressor Chain: A Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Purr Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 Lambda De3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet24a
symmetry	Space Group: C 2 2 21	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 175.380 92.610 80.640 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.55 Å
ligand	HPA, PO4	enzyme
related structures	by homologous chain: 1JFT, 1WET
Gene Ontology	Chain Function Process Component A
Primary reference	Role of residue 147 in the gene regulatory function of the Escherichia coli purine repressor., Huffman JL, Lu F, Zalkin H, Brennan RG, Biochemistry 2002 Jan 15;41(2):511-20. PMID:11781089

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (68 Kb) [Save to disk] Biological Unit Coordinates (1jh9.pdb1.gz) 123 Kb LPC: Ligand-Protein Contacts for 1JH9 CSU: Contacts of Structural Units for 1JH9 Likely Quarternary Molecular Structure file(s) for 1JH9 Retrieve 1JH9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1JH9 from S2C, [Save to disk]

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Visual 3D analysis of 1JH9

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Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 1JH9, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1jh9a1, region A:2-58 [Jmol] [rasmolscript] [script source]     - Domain d1jh9a2, region A:59-340 [Jmol] [rasmolscript] [script source] Fold representative 1jh9 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: [1jh9] [1jh9_B] [1jh9_A] SWISS-PROT database: [P0ACP7] Domain organization of [PURR_ECOLI] by SWISSPFAM Domain found in 1JH9: [HTH_LACI ] by SMART

Other resources with information on 1JH9

Community annotation for 1JH9 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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