1BH8	Transcription Regulation Complex	date	Jun 16, 1998
title	Htafii18htafii28 Heterodimer Crystal Structure
authors	C.Birck, O.Poch, C.Romier, M.Ruff, G.Mengus, A.C.Lavigne, I.David D.Moras
compound		source
Molecule: Tafii18 Chain: A Fragment: Residues 31 - 75 Synonym: Transcription Initiation Factor Tfiid 18 Kd Subuni Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Cell: Hela Cellular_location: Nucleus Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 (De3) Expression_system_plasmid: Pet15b
Molecule: Tafii28 Chain: B Fragment: Residues 113 - 201 Synonym: Transcription Initiation Factor Tfiid 28 Kd Subuni Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Cell: Hela Cellular_location: Nucleus Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 (De3) Expression_system_plasmid: Pet15b
symmetry	Space Group: P 21 21 21	R_factor 0.199 R_Free 0.282
crystal cell	length a length b length c angle alpha angle beta angle gamma 45.400 48.400 77.600 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.00 Å
related structures	by homologous chain: 1BH9
Gene Ontology	Chain Function Process Component A B
Primary reference	Human TAF(II)28 and TAF(II)18 interact through a histone fold encoded by atypical evolutionary conserved motifs also found in the SPT3 family., Birck C, Poch O, Romier C, Ruff M, Mengus G, Lavigne AC, Davidson I, Moras D, Cell 1998 Jul 24;94(2):239-49. PMID:9695952

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (26 Kb) [Save to disk] Biological Unit Coordinates (1bh8.pdb1.gz) 22 Kb CSU: Contacts of Structural Units for 1BH8 Likely Quarternary Molecular Structure file(s) for 1BH8 Retrieve 1BH8 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1BH8 from S2C, [Save to disk]

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Visual 3D analysis of 1BH8

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1BH8, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1bh8a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1bh8b_, 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: [1bh8] [1bh8_B] [1bh8_A] SWISS-PROT database: [Q15544] [Q15543] Domain organization of [TAF11_HUMAN] [TAF13_HUMAN] by SWISSPFAM

Other resources with information on 1BH8

Community annotation for 1BH8 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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