Protein: General transcription and DNA repair factor IIH subunit TFB1 (TFIIH subunit TFB1) (RNA polymerase II transcription factor B 73 kDa subunit) (RNA polymerase II transcription factor B p73 subunit) (RNA polymerase II transcription factor B subunit 1) (P32776)
Organism: Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
Function: Component of the general transcription and DNA repair factor IIH (TFIIH) core complex, which is involved in general and transcription-coupled nucleotide excision repair (NER) of damaged DNA and, when complexed to TFIIK, in RNA transcription by RNA polymerase II. In NER, TFIIH acts by opening DNA around the lesion to allow the excision of the damaged oligonucleotide and its replacement by a new DNA fragment. In transcription, TFIIH has an essential role in transcription initiation. When the pre-initiation complex (PIC) has been established, TFIIH is required for promoter opening and promoter escape. Phosphorylation of the C-terminal tail (CTD) of the largest subunit of RNA polymerase II by the kinase module TFIIK controls the initiation of transcription.
Subcellular location: Nucleus.
Sequence: MSHSGAAIFEKVSGIIAINEDVSPAELTWRSTDGDKVHTVVLSTIDKLQATPASSEKMMLRLIGKVDESKKRKDNEGNEVVPKPQRHMFSFNNRTVMDNIKMTLQQIISRYKDADIYEEKRRREESAQHTETPMSSSSVTAGTPTPHLDTPQLNNGAPLINTAKLDDSLSKEKLLTNLKLQQSLLKGNKVLMKVFQETVINAGLPPSEFWSTRIPLLRAFALSTSQKVGPYNVLSTIKPVASSENKVNVNLSREKILNIFENYPIVKKAYTDNVPKNFKEPEFWARFFSSKLFRKLRGEKIMQNDRGDVIIDRYLTLDQEFDRKDDDMLLHPVKKIIDLDGNIQDDPVVRGNRPDFTMQPGVDINGNSDGTVDILKGMNRLSEKMIMALKNEYSRTNLQNKSNITNDEEDEDNDERNELKIDDLNESYKTNYAIIHLKRNAHEKTTDNDAKSSADSIKNADLKVSNQQMLQQLSLVMDNLINKLDLNQVVPNNEVSNKINKRVITAIKINAKQAKHNNVNSALGSFVDNTSQANELEVKSTLPIDLLESCRMLHTTCCEFLKHFYIHFQSGEQKQASTVKKLYNHLKDCIEKLNELFQDVLNGDGESMSNTCTAYLKPVLNSITLATHKYDEYFNEYNNNSN
InterPro domains: - IPR005607: BSD domain (domain) [165-300]
- IPR013876: TFIIH p62 subunit, N-terminal (domain) [9-105]
- IPR027079: TFIIH subunit Tfb1/GTF2H1 (family) [4-637]
- IPR035925: BSD domain superfamily (homologous_superfamily) [173-301]
- IPR011993: PH-like domain superfamily (homologous_superfamily) [1-115]
Interaction partners: - General transcription and DNA repair factor IIH subunit TFB4
- Cyclin CCL1
- RNA polymerase II transcription factor B subunit 3
- DNA repair protein RAD2
- General transcription and DNA repair factor IIH helicase subunit XPD/RAD3
- Transcription initiation factor IIE subunit beta
- Transcription initiation factor IIE subunit alpha
- Serine/threonine-protein kinase KIN28
- General transcription and DNA repair factor IIH helicase/translocase subunit XPB/SSL2
- General transcription and DNA repair factor IIH subunit TFB2
Gene Ontology annotations:
Molecular Function (MF): GO:0003674 (molecular function), GO:0005488 (binding), GO:0005515 (protein binding), GO:0008134 (transcription factor binding), GO:0140297 (DNA-binding transcription factor binding), GO:0061629 (RNA polymerase II-specific DNA-binding transcription factor binding), GO:0016922 (nuclear receptor binding), GO:0046966 (nuclear thyroid hormone receptor binding)
Biological Process (BP): GO:0008150 (biological process), GO:0008152 (metabolic process), GO:0048518 (positive regulation of biological process), GO:0050789 (regulation of biological process), GO:0065007 (biological regulation), GO:0050896 (response to stimulus), GO:0009987 (cellular process), GO:0009058 (biosynthetic process), GO:0019222 (regulation of metabolic process), GO:0006807 (nitrogen compound metabolic process), GO:0071704 (organic substance metabolic process), GO:0044237 (cellular metabolic process), GO:0050794 (regulation of cellular process), GO:0009893 (positive regulation of metabolic process), GO:0051716 (cellular response to stimulus), GO:0006950 (response to stress), GO:0044238 (primary metabolic process), GO:0048522 (positive regulation of cellular process), GO:1901576 (organic substance biosynthetic process), GO:0010604 (positive regulation of macromolecule metabolic process), GO:0046483 (heterocycle metabolic process), GO:0060255 (regulation of macromolecule metabolic process), GO:0044249 (cellular biosynthetic process), GO:0006725 (cellular aromatic compound metabolic process), GO:0034641 (cellular nitrogen compound metabolic process), GO:0043170 (macromolecule metabolic process), GO:0009891 (positive regulation of biosynthetic process), GO:1901360 (organic cyclic compound metabolic process), GO:0006139 (nucleobase-containing compound metabolic process), GO:0031325 (positive regulation of cellular metabolic process), GO:0033554 (cellular response to stress), GO:0009889 (regulation of biosynthetic process), GO:0051171 (regulation of nitrogen compound metabolic process), GO:0051173 (positive regulation of nitrogen compound metabolic process), GO:0031323 (regulation of cellular metabolic process), GO:0080090 (regulation of primary metabolic process), GO:0044260 (cellular macromolecule metabolic process), GO:0009059 (macromolecule biosynthetic process), GO:1901362 (organic cyclic compound biosynthetic process), GO:0010556 (regulation of macromolecule biosynthetic process), GO:0006974 (cellular response to DNA damage stimulus), GO:0019438 (aromatic compound biosynthetic process), GO:0010468 (regulation of gene expression), GO:0034654 (nucleobase-containing compound biosynthetic process), GO:0010557 (positive regulation of macromolecule biosynthetic process), GO:0045935 (positive regulation of nucleobase-containing compound metabolic process), GO:0051254 (positive regulation of RNA metabolic process), GO:0090304 (nucleic acid metabolic process), GO:0018130 (heterocycle biosynthetic process), GO:0031326 (regulation of cellular biosynthetic process), GO:0006259 (DNA metabolic process), GO:0019219 (regulation of nucleobase-containing compound metabolic process), GO:0044271 (cellular nitrogen compound biosynthetic process), GO:0051252 (regulation of RNA metabolic process), GO:0010467 (gene expression), GO:0031328 (positive regulation of cellular biosynthetic process), GO:0016070 (RNA metabolic process), GO:2001141 (regulation of RNA biosynthetic process), GO:0006355 (regulation of DNA-templated transcription), GO:0006281 (DNA repair), GO:1902680 (positive regulation of RNA biosynthetic process), GO:0032774 (RNA biosynthetic process), GO:0097659 (nucleic acid-templated transcription), GO:0006357 (regulation of transcription by RNA polymerase II), GO:0045893 (positive regulation of DNA-templated transcription), GO:0006289 (nucleotide-excision repair), GO:1903508 (positive regulation of nucleic acid-templated transcription), GO:1903506 (regulation of nucleic acid-templated transcription), GO:0006351 (DNA-templated transcription), GO:0045944 (positive regulation of transcription by RNA polymerase II), GO:0006366 (transcription by RNA polymerase II)
Cellular Component (CC): GO:0005575 (cellular component), GO:0032991 (protein-containing complex), GO:0110165 (cellular anatomical entity), GO:0005622 (intracellular anatomical structure), GO:0043226 (organelle), GO:0140535 (intracellular protein-containing complex), GO:1902494 (catalytic complex), GO:0140513 (nuclear protein-containing complex), GO:0005667 (transcription regulator complex), GO:0031974 (membrane-enclosed lumen), GO:0005654 (nucleoplasm), GO:0030880 (RNA polymerase complex), GO:1990234 (transferase complex), GO:0043229 (intracellular organelle), GO:0090575 (RNA polymerase II transcription regulator complex), GO:0032806 (carboxy-terminal domain protein kinase complex), GO:0043233 (organelle lumen), GO:0055029 (nuclear DNA-directed RNA polymerase complex), GO:0016591 (RNA polymerase II, holoenzyme), GO:0043227 (membrane-bounded organelle), GO:0000428 (DNA-directed RNA polymerase complex), GO:0043231 (intracellular membrane-bounded organelle), GO:0005675 (transcription factor TFIIH holo complex), GO:0061695 (transferase complex, transferring phosphorus-containing groups), GO:0000439 (transcription factor TFIIH core complex), GO:0070013 (intracellular organelle lumen), GO:0005634 (nucleus), GO:1902911 (protein kinase complex), GO:0031981 (nuclear lumen), GO:1902554 (serine/threonine protein kinase complex)