1AN4	Transcription Dna	date	Mar 15, 1997
title	Structure And Function Of The Bhlhz Domain Of Usf
authors	A.R.Ferre-D'Amare, P.Pognonec, R.G.Roeder, S.K.Burley
compound		source
Molecule: Dna (5'- D(Cpapcpcpcpgpgptpcpapcpgptpgpgpcpc Ptpa 3'); Chain: C Engineered: Yes Molecule: Dna (5'- D(Gptpgptpapgpgpcpcpapcpgptpgpapcpc Pgpg 3'); Chain: D Synonym: Upstream Stimulatory Factor 1 Engineered: Yes Molecule: Protein (Upstream Stimulatory Factor) Chain: A, B Fragment: Fragment:Bhlh Dna Binding Domain Mutation:R196m, C248s; Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Bacteria Expression_system_common: Eubacteria Expression_system_taxid: 2
symmetry	Space Group: P 21 21 21	R_factor 0.236 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 136.600 54.700 44.400 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.90 Å
note	1AN4 is a representative structure
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure and function of the b/HLH/Z domain of USF., Ferre-D'Amare AR, Pognonec P, Roeder RG, Burley SK, EMBO J 1994 Jan 1;13(1):180-9. PMID:8306960

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (44 Kb) [Save to disk] Biological Unit Coordinates (1an4.pdb1.gz) 39 Kb CSU: Contacts of Structural Units for 1AN4 Likely Quarternary Molecular Structure file(s) for 1AN4 Retrieve 1AN4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1AN4 from S2C, [Save to disk]

View 1AN4 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 1AN4

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1AN4, from MSDmotif at EBI Genome occurence of 1AN4's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1an4a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1an4b_, 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: [1an4_D] [1an4_B] [1an4_C] [1an4_A] [1an4] SWISS-PROT database: [P22415] Domain organization of [USF1_HUMAN] by SWISSPFAM Domain found in 1AN4: [HLH ] by SMART

Other resources with information on 1AN4

Community annotation for 1AN4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 1AN4 from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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