3HQF	Hydrolase Dna	date	Jun 06, 2009
title	Crystal Structure Of Restriction Endonuclease Ecorii N-Termi Effector-Binding Domain In Complex With Cognate Dna
authors	D.Golovenko, E.Manakova, S.Grazulis, G.Tamulaitiene, V.Siksnys
compound		source
Molecule: Restriction Endonuclease Chain: A Fragment: N-Terminal Effector-Binding Domain (Unp Residues Synonym: Restriction Endonuclease Type Iie Ec: 3.1.21.4 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Ecorii Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Jm109 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pqe30
Molecule: 5'-D(Gpcpcpcptpgpgpcpg)-3' Chain: B Engineered: Yes		Synthetic: Yes
Molecule: 5'-D(Cpgpcpcpapgpgpgpc)-3' Chain: C Engineered: Yes		Synthetic: Yes
symmetry	Space Group: P 43 21 2	R_factor 0.187 R_Free 0.229
crystal cell	length a length b length c angle alpha angle beta angle gamma 43.156 43.156 253.648 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.51 Å
ligand		enzyme	Hydrolase E.C.3.1.21.4 BRENDA
Primary reference	Structural mechanisms for the 5'-CCWGG sequence recognition by the N- and C-terminal domains of EcoRII., Golovenko D, Manakova E, Tamulaitiene G, Grazulis S, Siksnys V, Nucleic Acids Res. 2009 Sep 3. PMID:19729506

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (42 Kb) [Save to disk] Biological Unit Coordinates (3hqf.pdb1.gz) 37 Kb CSU: Contacts of Structural Units for 3HQF Structure Factors (150 Kb) Retrieve 3HQF in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3HQF from S2C, [Save to disk] Re-refined 3hqf structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3HQF 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 3HQF

Ramachandran plot from PDBSum

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 3HQF, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3hqf_C] [3hqf_B] [3hqf] [3hqf_A] SWISS-PROT database: [O69414] Domain organization of [O69414_ECOLX] by SWISSPFAM

Other resources with information on 3HQF

Community annotation for 3HQF at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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