3LDY	Hydrolase Dna	date	Jan 13, 2010
title	An Extraordinary Mechanism Of Dna Perturbation Exhibited By Cutting Hnh Restriction Endonuclease Paci
authors	B.W.Shen, D.Heiter, S.H.Chan, S.Y.Xu, G.Wilson, B.L.Stoddard
compound		source
Molecule: Restriction Endonuclease Paci Chain: A Engineered: Yes		Organism_scientific: Pseudomonas Alcaligenes Organism_taxid: 43263 Gene: Pacir Expression_system: Pseudomonas Alcaligenes Expression_system_taxid: 43263 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pvs1
Molecule: Dna (5'-D(Gpapgpgpcptptpa)-3') Chain: B Engineered: Yes		Synthetic: Yes
Molecule: Dna (5'-D(Paptptpapapgpcpcptpc)-3') Chain: C Engineered: Yes		Synthetic: Yes
symmetry	Space Group: C 2 2 21	R_factor 0.184 R_Free 0.217
crystal cell	length a length b length c angle alpha angle beta angle gamma 36.908 115.788 114.689 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.97 Å
ligand	CA, ZN	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	Unusual target site disruption by the rare-cutting HNH restriction endonuclease PacI., Shen BW, Heiter DF, Chan SH, Wang H, Xu SY, Morgan RD, Wilson GG, Stoddard BL, Structure. 2010 Jun 9;18(6):734-43. PMID:20541511

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (74 Kb) [Save to disk] Biological Unit Coordinates (3ldy.pdb1.gz) 133 Kb Biological Unit Coordinates (3ldy.pdb2.gz) 67 Kb LPC: Ligand-Protein Contacts for 3LDY CSU: Contacts of Structural Units for 3LDY Structure Factors (838 Kb) Retrieve 3LDY in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3LDY from S2C, [Save to disk] Re-refined 3ldy structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 3LDY

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Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3LDY, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ldy_B] [3ldy] [3ldy_C] [3ldy_A] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3LDY

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

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