ID A0A8V0Y9F6_CHICK Unreviewed; 1094 AA. AC A0A8V0Y9F6; DT 14-DEC-2022, integrated into UniProtKB/TrEMBL. DT 14-DEC-2022, sequence version 1. DT 13-SEP-2023, entry version 5. 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 IDENTIFICATION. RC STRAIN=broiler {ECO:0000313|Ensembl:ENSGALP00010015046.1}; RG Ensembl; RL Submitted (MAY-2023) 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=a ribonucleoside 5'-triphosphate + RNA(n) = diphosphate + CC RNA(n+1); 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|ARBA:ARBA00024550, CC ECO:0000256|RuleBase:RU363031}; 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: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 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..654 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 //