1IF1	Transcription Dna	date	Sep 12, 1997
title	Interferon Regulatory Factor 1 (Irf-1) Complex With Dna
authors	C.R.Escalante, J.Yie, D.Thanos, A.Aggarwal
compound		source
Molecule: Dna (26-Mer) Chain: C, D Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
Molecule: Protein (Interferon Regulatory Factor 1) Chain: A, B Fragment: Dna-Binding Protein Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Cell_line: Mouse Fibroblast L929 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 (De3) Plyss Expression_system_plasmid: Pet-3a
symmetry	Space Group: H 3	R_factor 0.242 R_Free 0.309
crystal cell	length a length b length c angle alpha angle beta angle gamma 84.800 84.800 203.700 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	3.00 Å
note	1IF1 is a representative structure
related structures	by homologous chain: 1IRF, 2IRF
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure of IRF-1 with bound DNA reveals determinants of interferon regulation., Escalante CR, Yie J, Thanos D, Aggarwal AK, Nature 1998 Jan 1;391(6662):103-6. PMID:9422515

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (56 Kb) [Save to disk] Biological Unit Coordinates (1if1.pdb1.gz) 51 Kb CSU: Contacts of Structural Units for 1IF1 Likely Quarternary Molecular Structure file(s) for 1IF1 Retrieve 1IF1 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1IF1 from S2C, [Save to disk]

View 1IF1 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 1IF1

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1IF1, from MSDmotif at EBI Genome occurence of 1IF1's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1if1a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1if1b_, region B [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: [1if1] [1if1_C] [1if1_D] [1if1_A] [1if1_B] SWISS-PROT database: [P15314] Domain organization of [IRF1_MOUSE] by SWISSPFAM Domain found in 1IF1: [IRF ] by SMART

Other resources with information on 1IF1

Community annotation for 1IF1 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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