3IRQ	Hydrolase Dna	date	Aug 24, 2009
title	Crystal Structure Of A Z-Z Junction
authors	A.Athanasiadis, M.De Rosa
compound		source
Molecule: Double-Stranded Rna-Specific Adenosine Deaminase Chain: D, C, B, A Fragment: Zalpha Domain Synonym: Drada, 136 Kda Double-Stranded Rna-Binding Protein K88dsrbp, Interferon-Inducible Protein 4, Ifi-4; Ec: 3.5.4.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Adar, Adar1, Dsrad, G1p1, Ifi4 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28
Molecule: Dna (5'-D(Gptpcpgpcpgpcpgptpcpgpcpgp 3'); Chain: G Engineered: Yes		Synthetic: Yes
Molecule: Dna (5'-D(Apcpcpgpcpgpcpgpapcpgpcpgp 3'); Chain: F Engineered: Yes		Synthetic: Yes
symmetry	Space Group: P 21 21 21	R_factor 0.235 R_Free 0.271
crystal cell	length a length b length c angle alpha angle beta angle gamma 29.283 99.761 106.482 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand		enzyme	Hydrolase E.C.3.5.4 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Crystal structure of a junction between two Z-DNA helices., de Rosa M, de Sanctis D, Rosario AL, Archer M, Rich A, Athanasiadis A, Carrondo MA, Proc Natl Acad Sci U S A. 2010 May 3. PMID:20439751

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (56 Kb) [Save to disk] Biological Unit Coordinates (3irq.pdb1.gz) 51 Kb CSU: Contacts of Structural Units for 3IRQ Structure Factors (61 Kb) Retrieve 3IRQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3IRQ from S2C, [Save to disk] Re-refined 3irq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3IRQ 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 3IRQ

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 3IRQ, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3irq] [3irq_F] [3irq_D] [3irq_C] [3irq_G] [3irq_A] [3irq_B] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3IRQ: [Zalpha ] by SMART

Other resources with information on 3IRQ

Community annotation for 3IRQ at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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