1B96	Hydrolase Dna	date	Feb 19, 1999
title	Analysis Of A Mutational Hot-Spot In The Ecorv Restriction Endonuclease: A Catalytic Role For A Main Chain Carbonyl Gr
authors	M.P.Thomas, S.E.Halford, R.L.Brady
compound		source
Molecule: Dna (5'-D(Apapapgpaptpaptpcptpt)-3') Chain: C, D Engineered: Yes		Synthetic: Yes
Molecule: Restriction Endonuclease Ecorv Chain: A, B Ec: 3.1.21.4 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Cellular_location: Cytoplasm Gene: Ecorvr Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pbskrv
symmetry	Space Group: P 1	R_factor 0.189 R_Free 0.282
crystal cell	length a length b length c angle alpha angle beta angle gamma 48.350 48.780 63.640 96.61 108.94 107.44
method	X-Ray Diffraction	resolution	2.30 Å
ligand		enzyme	Hydrolase E.C.3.1.21.4 BRENDA
related structures	by homologous chain: 1AZ3, 1EOO
Gene Ontology	Chain Function Process Component A, B nuclease activity endonuclease activity
Primary reference	Structural analysis of a mutational hot-spot in the EcoRV restriction endonuclease: a catalytic role for a main chain carbonyl group., Thomas MP, Brady RL, Halford SE, Sessions RB, Baldwin GS, Nucleic Acids Res 1999 Sep 1;27(17):3438-45. PMID:10446231

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (97 Kb) [Save to disk] Biological Unit Coordinates (1b96.pdb1.gz) 93 Kb CSU: Contacts of Structural Units for 1B96 Likely Quarternary Molecular Structure file(s) for 1B96 Structure Factors (223 Kb) Retrieve 1B96 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1B96 from S2C, [Save to disk] Re-refined 1b96 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 3D motif for 1B96, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1b96a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1b96b_, 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: [1b96_A] [1b96_C] [1b96_B] [1b96_D] [1b96] SWISS-PROT database: [P04390] Domain organization of [T2E5_ECOLX] by SWISSPFAM

Other resources with information on 1B96

Community annotation for 1B96 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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