1QUM	Hydrolase Dna	date	Jul 01, 1999
title	Crystal Structure Of Escherichia Coli Endonuclease Iv In Com Damaged Dna
authors	D.J.Hosfield, Y.Guan, B.J.Haas, R.P.Cunningham, J.A.Tainer
compound		source
Molecule: 5'-D(Cpgptpcpc)-3' Chain: B Engineered: Yes		Synthetic: Yes
Molecule: 5'-D((3dr)Pcpgpapcpgpa)-3' Chain: C Engineered: Yes		Synthetic: Yes
Molecule: 5'-D(Tpcpgptpcpgpgpgpgpapcpg)-3' Chain: D Engineered: Yes		Synthetic: Yes
Molecule: Endonuclease Iv Chain: A Ec: 3.1.21.2 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: C 1 2 1	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 133.120 58.727 51.146 90.00 94.97 90.00
method	X-Ray Diffraction	resolution	1.55 Å
ligand	3DR, ZN	enzyme	Hydrolase E.C.3.1.21.2 BRENDA
related structures	by homologous chain: 1QTW
Gene Ontology	Chain Function Process Component A nuclease activity endonuclease activity
Primary reference	Structure of the DNA repair enzyme endonuclease IV and its DNA complex: double-nucleotide flipping at abasic sites and three-metal-ion catalysis., Hosfield DJ, Guan Y, Haas BJ, Cunningham RP, Tainer JA, Cell 1999 Aug 6;98(3):397-408. PMID:10458614

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (67 Kb) [Save to disk] Biological Unit Coordinates (1qum.pdb1.gz) 63 Kb LPC: Ligand-Protein Contacts for 1QUM CSU: Contacts of Structural Units for 1QUM Likely Quarternary Molecular Structure file(s) for 1QUM Retrieve 1QUM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QUM from S2C, [Save to disk]

View 1QUM 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 1QUM

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1QUM, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1quma_, region A [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: [1qum_A] [1qum_C] [1qum_D] [1qum_B] [1qum] SWISS-PROT database: [P0A6C1] Domain organization of [END4_ECOLI] by SWISSPFAM Domain found in 1QUM: [AP2Ec ] by SMART

Other resources with information on 1QUM

Community annotation for 1QUM at PDBWiki (http://pdbwiki.org)

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