1ZQA	Transferase Dna	date	Apr 12, 1996
title	Dna Polymerase Beta (Pol B) (E.C.2.7.7.7) Complexed With Seven Base Pairs Of Dna; Soaked In The Presence Of Kcl (150 Millimolar) At Ph 7.5
authors	H.Pelletier, M.R.Sawaya
compound		source
Molecule: Dna (5'-D(Cpaptptpapgpapa)-3') Chain: T Engineered: Yes		Synthetic: Yes
Molecule: Dna (5'-D(Tpcptpapaptpg)-3') Chain: P Engineered: Yes		Synthetic: Yes
Molecule: Protein (Dna Polymerase Beta (E.C.2.7.7.7)) Chain: A Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 2	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 178.376 57.899 48.433 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.20 Å
ligand	K	enzyme	Transferase E.C.2.7.7.7 BRENDA
note	1ZQA (Molecule of the Month:pdb3)
related structures	by homologous chain: 1BPZ, 9ICK
Gene Ontology	Chain Function Process Component A
Primary reference	Characterization of the metal ion binding helix-hairpin-helix motifs in human DNA polymerase beta by X-ray structural analysis., Pelletier H, Sawaya MR, Biochemistry 1996 Oct 1;35(39):12778-87. PMID:8841120

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (71 Kb) [Save to disk] Biological Unit Coordinates (1zqa.pdb1.gz) 63 Kb LPC: Ligand-Protein Contacts for 1ZQA CSU: Contacts of Structural Units for 1ZQA Likely Quarternary Molecular Structure file(s) for 1ZQA Structure Factors (91 Kb) Retrieve 1ZQA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ZQA from S2C, [Save to disk] Re-refined 1zqa structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1ZQA 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 1ZQA

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 1ZQA, from MSDmotif at EBI Genome occurence of 1ZQA's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1zqaa4, region A:149-335 [Jmol] [rasmolscript] [script source]     - Domain d1zqaa1, region A:9-91 [Jmol] [rasmolscript] [script source]     - Domain d1zqaa3, region A:92-148 [Jmol] [rasmolscript] [script source] Fold representative 1zqa 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: [1zqa] [1zqa_T] [1zqa_P] [1zqa_A] SWISS-PROT database: [P06746] Domain organization of [DPOLB_HUMAN] by SWISSPFAM Domains found in 1ZQA: [HhH1] [POLXc ] by SMART

Other resources with information on 1ZQA

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

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