ID   A0A8V0Y9F6_CHICK        Unreviewed;      1094 AA.
AC   A0A8V0Y9F6;
DT   14-DEC-2022, integrated into UniProtKB/TrEMBL.
DT   14-DEC-2022, sequence version 1.
DT   27-NOV-2024, entry version 12.
DE   RecName: Full=DNA-directed RNA polymerase subunit beta {ECO:0000256|RuleBase:RU363031};
DE            EC=2.7.7.6 {ECO:0000256|RuleBase:RU363031};
GN   Name=POLR3B {ECO:0000313|Ensembl:ENSGALP00010015046.1};
OS   Gallus gallus (Chicken).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC   Coelurosauria; Aves; Neognathae; Galloanserae; Galliformes; Phasianidae;
OC   Phasianinae; Gallus.
OX   NCBI_TaxID=9031 {ECO:0000313|Ensembl:ENSGALP00010015046.1, ECO:0000313|Proteomes:UP000000539};
RN   [1] {ECO:0000313|Ensembl:ENSGALP00010015046.1}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Broiler {ECO:0000313|Ensembl:ENSGALP00010015046.1};
RA   Warren W., Formenti G., Fedrigo O., Haase B., Mountcastle J., Balacco J.,
RA   Tracey A., Schneider V., Okimoto R., Cheng H., Hawken R., Howe K.,
RA   Jarvis E.D.;
RT   "Gallus gallus (Chicken) genome, bGalGal1, GRCg7b, maternal haplotype
RT   autosomes + Z & W.";
RL   Submitted (NOV-2020) to the EMBL/GenBank/DDBJ databases.
RN   [2] {ECO:0000313|Ensembl:ENSGALP00010015046.1}
RP   IDENTIFICATION.
RC   STRAIN=broiler {ECO:0000313|Ensembl:ENSGALP00010015046.1};
RG   Ensembl;
RL   Submitted (AUG-2024) to UniProtKB.
CC   -!- FUNCTION: DNA-dependent RNA polymerase catalyzes the transcription of
CC       DNA into RNA using the four ribonucleoside triphosphates as substrates.
CC       {ECO:0000256|RuleBase:RU363031}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=RNA(n) + a ribonucleoside 5'-triphosphate = RNA(n+1) +
CC         diphosphate; Xref=Rhea:RHEA:21248, Rhea:RHEA-COMP:14527, Rhea:RHEA-
CC         COMP:17342, ChEBI:CHEBI:33019, ChEBI:CHEBI:61557, ChEBI:CHEBI:140395;
CC         EC=2.7.7.6; Evidence={ECO:0000256|RuleBase:RU363031};
CC   -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000256|ARBA:ARBA00004123}.
CC   -!- SIMILARITY: Belongs to the RNA polymerase beta chain family.
CC       {ECO:0000256|ARBA:ARBA00006835, ECO:0000256|RuleBase:RU000434}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   Ensembl; ENSGALT00010026434.1; ENSGALP00010015046.1; ENSGALG00010011025.1.
DR   GeneTree; ENSGT00950000183132; -.
DR   Proteomes; UP000000539; Chromosome 1.
DR   GO; GO:0000428; C:DNA-directed RNA polymerase complex; IEA:UniProtKB-KW.
DR   GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR   GO; GO:0003677; F:DNA binding; IEA:InterPro.
DR   GO; GO:0003899; F:DNA-directed 5'-3' RNA polymerase activity; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0032549; F:ribonucleoside binding; IEA:InterPro.
DR   GO; GO:0006351; P:DNA-templated transcription; IEA:InterPro.
DR   CDD; cd00653; RNA_pol_B_RPB2; 1.
DR   FunFam; 2.40.270.10:FF:000006; DNA-directed RNA polymerase subunit beta; 1.
DR   FunFam; 2.40.270.10:FF:000011; DNA-directed RNA polymerase subunit beta; 1.
DR   FunFam; 2.40.50.150:FF:000003; DNA-directed RNA polymerase subunit beta; 1.
DR   FunFam; 3.90.1070.20:FF:000002; DNA-directed RNA polymerase subunit beta; 1.
DR   FunFam; 3.90.1100.10:FF:000004; DNA-directed RNA polymerase subunit beta; 1.
DR   FunFam; 3.90.1100.10:FF:000006; DNA-directed RNA polymerase subunit beta; 1.
DR   FunFam; 3.90.1110.10:FF:000006; DNA-directed RNA polymerase subunit beta; 1.
DR   Gene3D; 2.40.50.150; -; 1.
DR   Gene3D; 3.90.1100.10; -; 2.
DR   Gene3D; 2.40.270.10; DNA-directed RNA polymerase, subunit 2, domain 6; 1.
DR   Gene3D; 3.90.1800.10; RNA polymerase alpha subunit dimerisation domain; 1.
DR   InterPro; IPR015712; DNA-dir_RNA_pol_su2.
DR   InterPro; IPR007120; DNA-dir_RNAP_su2_dom.
DR   InterPro; IPR037033; DNA-dir_RNAP_su2_hyb_sf.
DR   InterPro; IPR007121; RNA_pol_bsu_CS.
DR   InterPro; IPR007644; RNA_pol_bsu_protrusion.
DR   InterPro; IPR007642; RNA_pol_Rpb2_2.
DR   InterPro; IPR007645; RNA_pol_Rpb2_3.
DR   InterPro; IPR007646; RNA_pol_Rpb2_4.
DR   InterPro; IPR007647; RNA_pol_Rpb2_5.
DR   InterPro; IPR007641; RNA_pol_Rpb2_7.
DR   InterPro; IPR014724; RNA_pol_RPB2_OB-fold.
DR   PANTHER; PTHR20856; DNA-DIRECTED RNA POLYMERASE I SUBUNIT 2; 1.
DR   PANTHER; PTHR20856:SF8; DNA-DIRECTED RNA POLYMERASE III SUBUNIT RPC2; 1.
DR   Pfam; PF04563; RNA_pol_Rpb2_1; 1.
DR   Pfam; PF04561; RNA_pol_Rpb2_2; 1.
DR   Pfam; PF04565; RNA_pol_Rpb2_3; 1.
DR   Pfam; PF04566; RNA_pol_Rpb2_4; 1.
DR   Pfam; PF04567; RNA_pol_Rpb2_5; 1.
DR   Pfam; PF00562; RNA_pol_Rpb2_6; 1.
DR   Pfam; PF04560; RNA_pol_Rpb2_7; 1.
DR   SUPFAM; SSF64484; beta and beta-prime subunits of DNA dependent RNA-polymerase; 1.
DR   PROSITE; PS01166; RNA_POL_BETA; 1.
PE   1: Evidence at protein level;
KW   DNA-directed RNA polymerase {ECO:0000256|ARBA:ARBA00022478,
KW   ECO:0000256|RuleBase:RU363031};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW   Nucleotidyltransferase {ECO:0000256|ARBA:ARBA00022695,
KW   ECO:0000256|RuleBase:RU363031};
KW   Proteomics identification {ECO:0007829|PeptideAtlas:A0A8V0Y9F6};
KW   Reference proteome {ECO:0000313|Proteomes:UP000000539};
KW   Transcription {ECO:0000256|ARBA:ARBA00023163,
KW   ECO:0000256|RuleBase:RU363031};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU363031};
KW   Zinc {ECO:0000256|ARBA:ARBA00022833};
KW   Zinc-finger {ECO:0000256|ARBA:ARBA00022771}.
FT   DOMAIN          38..411
FT                   /note="RNA polymerase beta subunit protrusion"
FT                   /evidence="ECO:0000259|Pfam:PF04563"
FT   DOMAIN          186..362
FT                   /note="RNA polymerase Rpb2"
FT                   /evidence="ECO:0000259|Pfam:PF04561"
FT   DOMAIN          437..501
FT                   /note="RNA polymerase Rpb2"
FT                   /evidence="ECO:0000259|Pfam:PF04565"
FT   DOMAIN          538..599
FT                   /note="RNA polymerase Rpb2"
FT                   /evidence="ECO:0000259|Pfam:PF04566"
FT   DOMAIN          620..652
FT                   /note="RNA polymerase Rpb2"
FT                   /evidence="ECO:0000259|Pfam:PF04567"
FT   DOMAIN          667..1040
FT                   /note="DNA-directed RNA polymerase subunit 2 hybrid-
FT                   binding"
FT                   /evidence="ECO:0000259|Pfam:PF00562"
FT   DOMAIN          1042..1090
FT                   /note="RNA polymerase Rpb2"
FT                   /evidence="ECO:0000259|Pfam:PF04560"
SQ   SEQUENCE   1094 AA;  122924 MW;  F6D38283ACC64645 CRC64;
     MEALAAELGA VTAERAAAPV SAVEEKWRLL PAFLKVKGLV KQHIDSFNYF INVEIKKIMK
     ANEKVTSDAD PMWYLKYLNI YVGTPDVEES FNVTRPVSPH ECRLRDMTYS APITVDIEYT
     RGSQRIIRNA LPIGRMPIML RSSNCVLTGK TPAEFAKLNE CPLDPGGYFI VKGVEKVILI
     QEQLSKNRII VEADRKGTVG ASVTSSTHEK KSRTNMVVKQ GRFYLRHNTL SEDIPIAIIF
     KAMGVESDQE IVQMIGTEEH VMAAFAPSLE ECQKAQIFTQ MQALKYIGNK VRRQRMWGGP
     KKTKMEEARE LLASTILTHV LVKEFNFRAK CIYTAVMVRR VILAQGENKV DDRDYYGNKR
     LELAGQLLSL LFEDLFKKFN SELKKIADQV IPKQRAAQFD VVKHMRQDQI TNGMVNAIST
     GNWSLKRFKM DRQGVTQVLS RLSYISALGM MTRISSQFEK TRKVSGPRSL QPSQWGMLCP
     SDTPEGEACG LVKNLALMTH ITTDMEDGPI IKLASNLGVE DVNLLCGEEL SYPNVFLVFL
     NGNILGVIRD HQKLVNTFRI MRRAGYINEF VSISTNLSDR CVYISSDGGR LCRPYIIVKK
     QKPAVTNKHM EELAQGYRNF EDFLHEGLVE YLDVNEENDC NIALYEHTIN KDTTHLEIEP
     FTLLGVCAGL IPYPHHNQSP RNTYQCAMGK QAMGTIGYNQ RNRIDTLMYL LAYPQKPMVK
     TKTIELIDFE KLPAGQNATV AVMSYSGYDI EDALVLNKAS LDRGFGRCLV YKNAKCTLKR
     YTNQTFDKVM GPMLDAATRK PIWRHEILDA DGICSPGEKV ENKQVLVNKS MPTVTQTPLE
     GSSVPQQPQY KDVPVTYKGA TDSYIEKVMI SSNAEDAFLI KMLLRQTRRP EIGDKFSSRH
     GQKGVCGLIV PQEDMPFCDT GICPDIIMNP HGFPSRMTVG KLIELLAGKA GVLDGRFHYG
     TAFGGSKVKD VCEDLIRHGY NYLGKDYVTS GITGEPLEAY IYFGPVYYQK LKHMVLDKMH
     ARARGPRAVL TRQPTEGRSR DGGLRLGEME RDCLIGYGAS MLLLERLMIS SDAFEVDVCG
     QCGLLGYSGC ELKT
//