1QSY	Transferase Dna	date	Jun 24, 1999
title	Ddatp-Trapped Closed Ternary Complex Of The Large Fragment O Polymerase I From Thermus Aquaticus
authors	Y.Li, V.Mitaxov, G.Waksman
compound		source
Molecule: 5'-D(Gpapcpcpapcpgpgpcpgpcp(2da))-3' Chain: B Engineered: Yes		Synthetic: Yes
Molecule: 5'-D(Aptptpgpcpgpcpcptppgpgptpc)-3' Chain: C Engineered: Yes		Synthetic: Yes
Molecule: Dna Polymerase I Chain: A Fragment: Klenow Fragment Ec: 2.7.7.7 Engineered: Yes Mutation: Yes		Organism_scientific: Thermus Aquaticus Organism_taxid: 271 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector: Plasmid Expression_system_plasmid: Pwb254
symmetry	Space Group: P 31 2 1	R_factor 0.235 R_Free 0.276
crystal cell	length a length b length c angle alpha angle beta angle gamma 107.935 107.935 90.237 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	2DA, DDS, MG	enzyme	Transferase E.C.2.7.7.7 BRENDA
related structures	by homologous chain: 1QSS, 1TAQ
Gene Ontology	Chain Function Process Component A
Primary reference	Structure-based design of Taq DNA polymerases with improved properties of dideoxynucleotide incorporation., Li Y, Mitaxov V, Waksman G, Proc Natl Acad Sci U S A 1999 Aug 17;96(17):9491-6. PMID:10449720

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (103 Kb) [Save to disk] Biological Unit Coordinates (1qsy.pdb1.gz) 96 Kb LPC: Ligand-Protein Contacts for 1QSY CSU: Contacts of Structural Units for 1QSY Likely Quarternary Molecular Structure file(s) for 1QSY Retrieve 1QSY in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QSY from S2C, [Save to disk]

View 1QSY 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 1QSY

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1QSY, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qsya1, region A:293-422 [Jmol] [rasmolscript] [script source]     - Domain d1qsya2, region A:423-831 [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: [1qsy_C] [1qsy_B] [1qsy] [1qsy_A] SWISS-PROT database: [P19821] Domain organization of [DPO1_THEAQ] by SWISSPFAM Domain found in 1QSY: [POLAc ] by SMART

Other resources with information on 1QSY

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

Movements, Movies and Images

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

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