1H7B	Oxidoreductase	date	Jul 04, 2001
title	Structural Basis For Allosteric Substrate Specificity Regula Class III Ribonucleotide Reductases, Native Nrdd
authors	K.M.Larsson, J.Andersson, B.M.Sjoeberg, P.Nordlund, D.T.Logan
compound		source
Molecule: Anaerobic Ribonucleotide-Triphosphate Reductase L Chain; Chain: A Fragment: Active Site Subunit, Residues 1-605 Synonym: Anaerobic Ntp Reductase Ec: 1.17.4.2 Engineered: Yes Mutation: Yes Other_details: Sequence Determination. Young, P., Ohman, M.		Organism_scientific: Bacteriophage T4 Organism_taxid: 10665 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Jm109(De3) Expression_system_plasmid: Pet29t4nrdd(G580a)
symmetry	Space Group: P 43 21 2	R_factor 0.224 R_Free 0.258
crystal cell	length a length b length c angle alpha angle beta angle gamma 98.019 98.019 242.421 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.45 Å
ligand	PO4	enzyme	Oxidoreductase E.C.1.17.4.2 BRENDA
related structures	by homologous chain: 1H78, 1HK8
Gene Ontology	Chain Function Process Component A
Primary reference	Structural basis for allosteric substrate specificity regulation in anaerobic ribonucleotide reductases., Larsson KM, Andersson J, Sjoberg BM, Nordlund P, Logan DT, Structure (Camb) 2001 Aug;9(8):739-50. PMID:11587648

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (93 Kb) [Save to disk] Biological Unit Coordinates (1h7b.pdb1.gz) 174 Kb LPC: Ligand-Protein Contacts for 1H7B CSU: Contacts of Structural Units for 1H7B Likely Quarternary Molecular Structure file(s) for 1H7B Structure Factors (306 Kb) Retrieve 1H7B in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1H7B from S2C, [Save to disk] Re-refined 1h7b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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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 1H7B, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1h7ba_, region A [Jmol] [rasmolscript] [script source] Fold representative 1h7b 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: [1h7b_A] [1h7b] SWISS-PROT database: [P07071] Domain organization of [NRDD_BPT4] by SWISSPFAM

Other resources with information on 1H7B

Community annotation for 1H7B at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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