2NQ9	Hydrolase Dna	date	Oct 30, 2006
title	High Resolution Crystal Structure Of Escherichia Coli Endonu (Endo Iv) Y72a Mutant Bound To Damaged Dna
authors	E.D.Garcin-Hosfield, D.J.Hosfield, J.A.Tainer
compound		source
Molecule: 5'-D(Aptpaptpcpt)-3' Chain: B Engineered: Yes		Synthetic: Yes
Molecule: 5'-D(P(3dr)Papgpapt)-3' Chain: C Engineered: Yes		Synthetic: Yes
Molecule: 5'-D(Aptpcptpgpapapgptpapt)-3' Chain: D Engineered: Yes		Synthetic: Yes
Molecule: Endonuclease 4 Chain: A Synonym: Endonuclease Iv, Endodeoxyribonuclease Iv Ec: 3.1.21.2 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Nfo Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Nfo- Strain Bw565de3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet24
symmetry	Space Group: C 1 2 1	R_factor 0.220 R_Free 0.234
crystal cell	length a length b length c angle alpha angle beta angle gamma 138.500 59.100 51.200 90.00 94.00 90.00
method	X-Ray Diffraction	resolution	1.45 Å
ligand	3DR, ZN	enzyme	Hydrolase E.C.3.1.21.2 BRENDA
Gene Ontology	Chain Function Process Component A nuclease activity endonuclease activity
Primary reference	DNA apurinic-apyrimidinic site binding and excision by endonuclease IV., Garcin ED, Hosfield DJ, Desai SA, Haas BJ, Bjoras M, Cunningham RP, Tainer JA, Nat Struct Mol Biol. 2008 Apr 13;. PMID:18408731

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (62 Kb) [Save to disk] Biological Unit Coordinates (2nq9.pdb1.gz) 58 Kb LPC: Ligand-Protein Contacts for 2NQ9 CSU: Contacts of Structural Units for 2NQ9 Likely Quarternary Molecular Structure file(s) for 2NQ9 Structure Factors (645 Kb) Retrieve 2NQ9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2NQ9 from S2C, [Save to disk] Re-refined 2nq9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2NQ9 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 2NQ9

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 2NQ9, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2nq9] [2nq9_B] [2nq9_D] [2nq9_C] [2nq9_A] SWISS-PROT database: [P0A6C1] Domain organization of [END4_ECOLI] by SWISSPFAM Domain found in 2NQ9: [AP2Ec ] by SMART

Other resources with information on 2NQ9

Community annotation for 2NQ9 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---