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 Ptpapcpa)-3');
Chain: C
Engineered: Yes

Molecule: Dna (5'- D(Gptpgptpapgpgpcpcpapcpgptpgpapcpc Pgpgpgpt)-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, C229s, 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
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 Diffractionresolution 2.90 Å
note 1AN4 is a representative structure
A, B

Primary referenceStructure 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] (45 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
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo 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]
  • Fold representative 1an4 from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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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