3M7K	Hydrolase Dna	date	Mar 16, 2010
title	Crystal Structure Of Paci-Dna Enzyme Product Complex
authors	B.W.Shen, B.L.Stoddard
compound		source
Molecule: Restriction Endonuclease Paci Chain: A Engineered: Yes		Organism_scientific: Pseudomonas Alcaligenes Organism_taxid: 43263 Strain: Neb 585 Gene: Pacir Expression_system: Pseudomonas Alcaligenes Expression_system_taxid: 43263 Expression_system_strain: Neb 585 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pvs1
Molecule: Dna (5'-D(Gpapgpgpcptptpapapt)-3') Chain: B Engineered: Yes Other_details: Top Strand Product Of Paci		Synthetic: Yes
Molecule: Dna (5'-D(Ptpapapgpcpcptpc)-3') Chain: C Engineered: Yes Other_details: Bottom Strand Of Paci Product		Synthetic: Yes
symmetry	Space Group: C 2 2 21	R_factor 0.172 R_Free 0.201
crystal cell	length a length b length c angle alpha angle beta angle gamma 37.089 114.927 114.322 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.92 Å
ligand	EDO, MG, NA, PT, SO4, ZN	enzyme
note	3M7K is a representative structure
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] (76 Kb) [Save to disk] Biological Unit Coordinates (3m7k.pdb1.gz) 136 Kb LPC: Ligand-Protein Contacts for 3M7K CSU: Contacts of Structural Units for 3M7K Structure Factors (886 Kb) Retrieve 3M7K in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3M7K from S2C, [Save to disk] Re-refined 3m7k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3M7K 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 3M7K

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3M7K, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3m7k_A] [3m7k] [3m7k_B] [3m7k_C] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3M7K

Community annotation for 3M7K at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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