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Database: UniProt
Entry: A0A3Q1HHN9_9TELE
LinkDB: A0A3Q1HHN9_9TELE
Original site: A0A3Q1HHN9_9TELE 
ID   A0A3Q1HHN9_9TELE        Unreviewed;       279 AA.
AC   A0A3Q1HHN9;
DT   10-APR-2019, integrated into UniProtKB/TrEMBL.
DT   10-APR-2019, sequence version 1.
DT   24-JAN-2024, entry version 22.
DE   RecName: Full=General transcription factor IIH subunit 3 {ECO:0000256|RuleBase:RU368090};
DE   AltName: Full=General transcription factor IIH polypeptide 3 {ECO:0000256|RuleBase:RU368090};
OS   Acanthochromis polyacanthus (spiny chromis).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata;
OC   Ovalentaria; Pomacentridae; Acanthochromis.
OX   NCBI_TaxID=80966 {ECO:0000313|Ensembl:ENSAPOP00000027940.1, ECO:0000313|Proteomes:UP000257200};
RN   [1] {ECO:0000313|Ensembl:ENSAPOP00000027940.1}
RP   IDENTIFICATION.
RG   Ensembl;
RL   Submitted (SEP-2023) to UniProtKB.
CC   -!- FUNCTION: Component of the general transcription and DNA repair factor
CC       IIH (TFIIH) core complex, which is involved in general and
CC       transcription-coupled nucleotide excision repair (NER) of damaged DNA
CC       and, when complexed to CAK, in RNA transcription by RNA polymerase II.
CC       In NER, TFIIH acts by opening DNA around the lesion to allow the
CC       excision of the damaged oligonucleotide and its replacement by a new
CC       DNA fragment. In transcription, TFIIH has an essential role in
CC       transcription initiation. When the pre-initiation complex (PIC) has
CC       been established, TFIIH is required for promoter opening and promoter
CC       escape. Phosphorylation of the C-terminal tail (CTD) of the largest
CC       subunit of RNA polymerase II by the kinase module CAK controls the
CC       initiation of transcription. {ECO:0000256|RuleBase:RU368090}.
CC   -!- SUBUNIT: Part of a TFIID-containing RNA polymerase II pre-initiation
CC       complex that is composed of TBP and at least GTF2A1, GTF2A2, GTF2E1,
CC       GTF2E2, GTF2F1, GTF2H2, GTF2H3, GTF2H4, GTF2H5, GTF2B, TCEA1, ERCC2,
CC       ERCC3, TAF1, TAF2, TAF3, TAF4, TAF5, TAF6, TAF7, TAF8, TAF9, TAF10,
CC       TAF11, TAF12 and TAF13. Component of the 7-subunit TFIIH core complex
CC       composed of XPB/ERCC3, XPD/ERCC2, GTF2H1, GTF2H2, GTF2H3, GTF2H4 and
CC       GTF2H5, which is active in NER. The core complex associates with the 3-
CC       subunit CDK-activating kinase (CAK) module composed of CCNH/cyclin H,
CC       CDK7 and MNAT1 to form the 10-subunit holoenzyme (holo-TFIIH) active in
CC       transcription. Interacts with RARA; the interaction requires prior
CC       phosphorylation of RARA on 'Ser-369' which then enhances interaction of
CC       RARA with CDK7. {ECO:0000256|RuleBase:RU368090}.
CC   -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000256|ARBA:ARBA00004123,
CC       ECO:0000256|RuleBase:RU368090}.
CC   -!- SIMILARITY: Belongs to the TFB4 family. {ECO:0000256|ARBA:ARBA00005273,
CC       ECO:0000256|RuleBase:RU368090}.
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DR   AlphaFoldDB; A0A3Q1HHN9; -.
DR   Ensembl; ENSAPOT00000031191.1; ENSAPOP00000027940.1; ENSAPOG00000012908.1.
DR   GeneTree; ENSGT00390000013143; -.
DR   Proteomes; UP000257200; Unplaced.
DR   GO; GO:0000439; C:transcription factor TFIIH core complex; IEA:UniProtKB-UniRule.
DR   GO; GO:0005675; C:transcription factor TFIIH holo complex; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0008353; F:RNA polymerase II CTD heptapeptide repeat kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006289; P:nucleotide-excision repair; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.410; von Willebrand factor, type A domain; 1.
DR   InterPro; IPR004600; TFIIH_Tfb4/GTF2H3.
DR   InterPro; IPR036465; vWFA_dom_sf.
DR   PANTHER; PTHR12831:SF0; GENERAL TRANSCRIPTION FACTOR IIH SUBUNIT 3; 1.
DR   PANTHER; PTHR12831; TRANSCRIPTION INITIATION FACTOR IIH TFIIH , POLYPEPTIDE 3-RELATED; 1.
DR   Pfam; PF03850; Tfb4; 1.
PE   3: Inferred from homology;
KW   DNA damage {ECO:0000256|RuleBase:RU368090};
KW   DNA repair {ECO:0000256|RuleBase:RU368090};
KW   Metal-binding {ECO:0000256|RuleBase:RU368090};
KW   Nucleus {ECO:0000256|RuleBase:RU368090};
KW   Reference proteome {ECO:0000313|Proteomes:UP000257200};
KW   Transcription {ECO:0000256|ARBA:ARBA00023163,
KW   ECO:0000256|RuleBase:RU368090};
KW   Transcription regulation {ECO:0000256|ARBA:ARBA00023015,
KW   ECO:0000256|RuleBase:RU368090}; Zinc {ECO:0000256|RuleBase:RU368090};
KW   Zinc-finger {ECO:0000256|ARBA:ARBA00022771, ECO:0000256|RuleBase:RU368090}.
SQ   SEQUENCE   279 AA;  30799 MW;  E87C099E9BE4F3C1 CRC64;
     NPIWWGQQAQ REQEFTLSKC LDAVMVMGNS HMAMSRTNKL AVIASHCQDS HFLYPSKSWR
     AGDSGADDAS SSGDGKYELL SVANNLIAEE IRNVMSKTEV RGNSTDTLLA GTLAKALCCI
     LSAKTNSSFV IHDVIKAAED CALQYMNFMN VIFAAQKQNI LIDACVLDSD SGLLQQACDI
     TGGLYLKIPQ KVALAQYLLW VFLPDSEQRS QLVLPPPAHV DYRAACFCHR NLIEIGYVCS
     VCLSIFCNFS PICTTCETAF KIQLPQMVKP KKKKLKQTT
//
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