3PJR	Hydrolase Dna	date	Mar 12, 1999
title	Helicase Substrate Complex
authors	S.S.Velankar, P.Soultanas, M.S.Dillingham, H.S.Subramanya, D.B.W
compound		source
Molecule: 5'-D(Gpcpapgptpgpcptpcpgptptptptpt Chain: Y Engineered: Yes		Synthetic: Yes
Molecule: 5'-D(Cpgpapgpcpapcptpgpc)-3' Chain: Z Engineered: Yes		Synthetic: Yes
Molecule: Helicase Pcra Chain: A Ec: 3.6.1.- Engineered: Yes		Organism_scientific: Geobacillus Stearothermophilus Organism_taxid: 1422 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 61 2 2	R_factor 0.236 R_Free 0.315
crystal cell	length a length b length c angle alpha angle beta angle gamma 105.120 105.120 380.800 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	3.30 Å
ligand	ATP	enzyme	Hydrolase E.C.3.6.1 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structures of complexes of PcrA DNA helicase with a DNA substrate indicate an inchworm mechanism., Velankar SS, Soultanas P, Dillingham MS, Subramanya HS, Wigley DB, Cell 1999 Apr 2;97(1):75-84. PMID:10199404

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (124 Kb) [Save to disk] Biological Unit Coordinates (3pjr.pdb1.gz) 117 Kb LPC: Ligand-Protein Contacts for 3PJR CSU: Contacts of Structural Units for 3PJR Likely Quarternary Molecular Structure file(s) for 3PJR Retrieve 3PJR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3PJR from S2C, [Save to disk]

View 3PJR 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 3PJR

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3PJR, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d3pjra2, region A:319-652 [Jmol] [rasmolscript] [script source]     - Domain d3pjra1, region A:4-318 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3pjr_Z] [3pjr_A] [3pjr] [3pjr_Y] SWISS-PROT database: [P56255] Domain organization of [PCRA_BACST] by SWISSPFAM

Other resources with information on 3PJR

Community annotation for 3PJR at PDBWiki (http://pdbwiki.org)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

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