1CLQ	Transferase Dna	date	Apr 30, 1999
title	Crystal Structure Of A Replication Fork Dna Polymerase Editing Complex At 2.7 A Resolution
authors	Y.Shamoo, T.A.Steitz
compound		source
Molecule: Dna (5'-D(Gpcpgpgpapapcptpapcpt)-3') Chain: E Engineered: Yes		Synthetic: Yes Other_details: Primer-Template Dna
Molecule: Dna (5'-D(Apgptpapgptptpcpcpgpcpg)- 3'); Chain: D Engineered: Yes		Synthetic: Yes
Molecule: Protein (Dna Polymerase) Chain: A Fragment: Residues 1-903 Synonym: Gp43 Ec: 2.7.7.7 Engineered: Yes		Organism_scientific: Enterobacteria Phage Rb69 Organism_taxid: 12353 Gene: Gene 43 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_cell_line: Bl21(De3)
symmetry	Space Group: H 3	R_factor 0.230 R_Free 0.284
crystal cell	length a length b length c angle alpha angle beta angle gamma 209.740 209.740 114.250 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	CA, GDP	enzyme	Transferase E.C.2.7.7.7 BRENDA
note	1CLQ (Molecule of the Month:pdb3)
related structures	by homologous chain: 1Q9X, 1Q9Y
Gene Ontology	Chain Function Process Component A DNA-directed DNA polymerase ... nuclease activity exonuclease activity 3'-5' exonuclease activity
Primary reference	Building a replisome from interacting pieces: sliding clamp complexed to a peptide from DNA polymerase and a polymerase editing complex., Shamoo Y, Steitz TA, Cell 1999 Oct 15;99(2):155-66. PMID:10535734

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (172 Kb) [Save to disk] Biological Unit Coordinates (1clq.pdb1.gz) 166 Kb LPC: Ligand-Protein Contacts for 1CLQ CSU: Contacts of Structural Units for 1CLQ Likely Quarternary Molecular Structure file(s) for 1CLQ Structure Factors (419 Kb) Retrieve 1CLQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CLQ from S2C, [Save to disk] Re-refined 1clq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1CLQ 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 1CLQ

Cartoon representation from PDB Cartoon 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 Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 1CLQ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1clqa1, region A:1-375 [Jmol] [rasmolscript] [script source]     - Domain d1clqa2, region A:376-903 [Jmol] [rasmolscript] [script source] Fold representative 1clq from FSSP and Dali (Families of Structurally Similar Proteins) 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: [1clq] [1clq_D] [1clq_A] [1clq_E] SWISS-PROT database: [Q38087] Domain organization of [DPOL_BPR69] by SWISSPFAM Domain found in 1CLQ: [POLBc ] by SMART

Other resources with information on 1CLQ

Community annotation for 1CLQ at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 1CLQ from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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