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RP30_VACCW
ID   RP30_VACCW              Reviewed;         259 AA.
AC   P21603; Q76ZW1;
DT   01-MAY-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1991, sequence version 1.
DT   03-AUG-2022, entry version 100.
DE   RecName: Full=DNA-directed RNA polymerase 30 kDa polypeptide;
DE            EC=2.7.7.6;
GN   Name=RPO30; OrderedLocusNames=VACWR060; ORFNames=E4L;
OS   Vaccinia virus (strain Western Reserve) (VACV) (Vaccinia virus (strain
OS   WR)).
OC   Viruses; Varidnaviria; Bamfordvirae; Nucleocytoviricota; Pokkesviricetes;
OC   Chitovirales; Poxviridae; Chordopoxvirinae; Orthopoxvirus; Vaccinia virus.
OX   NCBI_TaxID=10254;
OH   NCBI_TaxID=9913; Bos taurus (Bovine).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2398897; DOI=10.1128/mcb.10.10.5433-5441.1990;
RA   Ahn B.-Y., Gershon P.D., Jones E.V., Moss B.;
RT   "Identification of rpo30, a vaccinia virus RNA polymerase gene with
RT   structural similarity to a eucaryotic transcription elongation factor.";
RL   Mol. Cell. Biol. 10:5433-5441(1990).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2214020; DOI=10.1128/jvi.64.11.5376-5382.1990;
RA   Broyles S.S., Pennington M.J.;
RT   "Vaccinia virus gene encoding a 30-kilodalton subunit of the viral DNA-
RT   dependent RNA polymerase.";
RL   J. Virol. 64:5376-5382(1990).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA   Esposito J.J., Frace A.M., Sammons S.A., Olsen-Rasmussen M., Osborne J.,
RA   Wohlhueter R.;
RT   "Sequencing of the coding region of Vaccinia-WR to an average 9-fold
RT   redundancy and an error rate of 0.16/10kb.";
RL   Submitted (FEB-2003) to the EMBL/GenBank/DDBJ databases.
RN   [4]
RP   REVIEW.
RX   PubMed=12917449; DOI=10.1099/vir.0.18942-0;
RA   Broyles S.S.;
RT   "Vaccinia virus transcription.";
RL   J. Gen. Virol. 84:2293-2303(2003).
CC   -!- FUNCTION: Part of the DNA-dependent RNA polymerase which catalyzes the
CC       transcription of viral DNA into RNA using the four ribonucleoside
CC       triphosphates as substrates. Responsible for the transcription of
CC       early, intermediate and late genes. DNA-dependent RNA polymerase
CC       associates with the early transcription factor (ETF), itself composed
CC       of D6 and A7, thereby allowing the early genes transcription. Late
CC       transcription, and probably also intermediate transcription, require
CC       newly synthesized RNA polymerase.
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;
CC   -!- SUBUNIT: The DNA-dependent RNA polymerase used for intermediate and
CC       late genes expression consists of eight subunits 147 kDa, 133 kDa, 35
CC       kDa, 30 kDa, 22 kDa, 19 kDa, 18 kDa and 7 kDa totalling more than 500
CC       kDa in mass. The same holoenzyme, with the addition of the
CC       transcription-specificity factor RAP94, is used for early gene
CC       expression.
CC   -!- SUBCELLULAR LOCATION: Virion {ECO:0000305}. Note=All the enzymes and
CC       other proteins required to synthesize early mRNAs are packaged within
CC       the virion core along with the DNA genome. This is necessary because
CC       viral early mRNAs are synthesized within minutes after virus entry into
CC       the cell and are extruded through pores in the core particle.
CC   -!- ALTERNATIVE PRODUCTS:
CC       Event=Alternative initiation; Named isoforms=2;
CC       Name=Long;
CC         IsoId=P21603-1; Sequence=Displayed;
CC       Name=Short;
CC         IsoId=P21603-2; Sequence=VSP_018893;
CC   -!- SIMILARITY: Belongs to the poxviridae DNA-directed RNA polymerase 30
CC       kDa subunit family. {ECO:0000305}.
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DR   EMBL; M36339; AAB59824.1; -; Genomic_DNA.
DR   EMBL; M59813; AAA48306.1; -; Genomic_DNA.
DR   EMBL; AY243312; AAO89339.1; -; Genomic_DNA.
DR   PIR; A36406; RNVZ30.
DR   RefSeq; YP_232942.1; NC_006998.1.
DR   SMR; P21603; -.
DR   DNASU; 3707593; -.
DR   GeneID; 3707593; -.
DR   KEGG; vg:3707593; -.
DR   BRENDA; 2.7.7.6; 6591.
DR   Proteomes; UP000000344; Genome.
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:UniProtKB-EC.
DR   GO; GO:0008270; F:zinc ion binding; IEA:InterPro.
DR   GO; GO:0039695; P:DNA-templated viral transcription; IDA:UniProtKB.
DR   GO; GO:0006351; P:transcription, DNA-templated; IEA:InterPro.
DR   InterPro; IPR009162; RNA_pol_30_chordopoxvir-type.
DR   InterPro; IPR024394; RNA_pol_30_chordopoxvir-type_N.
DR   InterPro; IPR001222; Znf_TFIIS.
DR   Pfam; PF12410; rpo30_N; 1.
DR   Pfam; PF01096; TFIIS_C; 1.
DR   PIRSF; PIRSF000745; VAC_RPO30; 1.
DR   SMART; SM00440; ZnF_C2C2; 1.
DR   PROSITE; PS00466; ZF_TFIIS_1; 1.
DR   PROSITE; PS51133; ZF_TFIIS_2; 1.
PE   3: Inferred from homology;
KW   Alternative initiation; DNA-directed RNA polymerase; Metal-binding;
KW   Nucleotidyltransferase; Reference proteome; Transcription; Transferase;
KW   Virion; Zinc; Zinc-finger.
FT   CHAIN           1..259
FT                   /note="DNA-directed RNA polymerase 30 kDa polypeptide"
FT                   /id="PRO_0000121457"
FT   ZN_FING         155..195
FT                   /note="TFIIS-type"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00472"
FT   REGION          220..259
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         159
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00472"
FT   BINDING         162
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00472"
FT   BINDING         187
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00472"
FT   BINDING         190
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00472"
FT   VAR_SEQ         1..16
FT                   /note="Missing (in isoform Short)"
FT                   /evidence="ECO:0000305"
FT                   /id="VSP_018893"
SQ   SEQUENCE   259 AA;  29826 MW;  DE2D2114C634FF12 CRC64;
     MENVYISSYS SNEQTSMAVT ATDIRELLSQ YVDDANLEDL IEWAMEKSSK YYIKNIGNTK
     SNIEETKFES KNNIGIEYSK DSRNKLSYRN KPSIATNLEY KTLCDMIKGT SGTEKEFLRY
     LLFGIKCIKK GVEYNIDKIK DVSYNDYFNV LDEKYNTPCP NCKSRNTTPM MIQTRAADEP
     PLVRHACRDC KQHFKPPKFR AFRNLNVTTQ SIHENKEITE ILPDNNPSPP ESPEPASPID
     DGLIRATFDR NDEPPEDDE
 
 
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