2PJR	Hydrolase Dna	date	Mar 12, 1999
title	Helicase Product Complex
authors	S.S.Velankar, P.Soultanas, M.S.Dillingham, H.S.Subramanya, D.B.W
compound		source
Molecule: Dna (5'-D(Tptptptpt)-3') Chain: C, D Engineered: Yes		Synthetic: Yes
Molecule: Dna (5'-D(Gpc)-3') Chain: H Engineered: Yes		Synthetic: Yes
Molecule: Dna (5'-D(Apcptpgpc)-3') Chain: I Engineered: Yes		Synthetic: Yes
Molecule: Protein (Helicase Pcra) Chain: A, F Fragment: Residues 1-548 Synonym: Atp-Dependent Helicase Pcra Ec: 3.6.1.- Engineered: Yes		Organism_scientific: Geobacillus Stearothermophilus Organism_taxid: 1422 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Protein (Helicase Pcra) Chain: B, G Fragment: Residues 556-650 Synonym: Atp-Dependent Helicase Pcra 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 1 21 1	R_factor 0.240 R_Free 0.296
crystal cell	length a length b length c angle alpha angle beta angle gamma 85.050 62.600 141.830 90.00 95.84 90.00
method	X-Ray Diffraction	resolution	2.90 Å
ligand	SO4	enzyme	Hydrolase E.C.3.6.1 BRENDA
related structures	by homologous chain: 1QHH
Gene Ontology	Chain Function Process Component F, A G, B
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] (217 Kb) [Save to disk] Biological Unit Coordinates (2pjr.pdb1.gz) 211 Kb LPC: Ligand-Protein Contacts for 2PJR CSU: Contacts of Structural Units for 2PJR Likely Quarternary Molecular Structure file(s) for 2PJR Structure Factors (262 Kb) Retrieve 2PJR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2PJR from S2C, [Save to disk] Re-refined 2pjr structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2PJR 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 2PJR

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 2PJR, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d2pjr.1, region A:319-548,B [Jmol] [rasmolscript] [script source]     - Domain d2pjra1, region A:7-318 [Jmol] [rasmolscript] [script source]     - Domain d2pjr.2, region F:1019-1247,G [Jmol] [rasmolscript] [script source]     - Domain d2pjrf1, region F:704-1018 [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: [2pjr_G] [2pjr_D] [2pjr_B] [2pjr_C] [2pjr_A] [2pjr_F] [2pjr_H] [2pjr_I] [2pjr] SWISS-PROT database: [P56255] Domain organization of [PCRA_BACST] by SWISSPFAM

Other resources with information on 2PJR

Community annotation for 2PJR at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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