ID   PAP1_VARV               Reviewed;         479 AA.
AC   P0DOM2; P33809; Q76Q36; Q85370;
DT   16-OCT-2019, integrated into UniProtKB/Swiss-Prot.
DT   16-OCT-2019, sequence version 1.
DT   29-SEP-2021, entry version 10.
DE   RecName: Full=Poly(A) polymerase catalytic subunit;
DE            EC=2.7.7.19;
DE   AltName: Full=Poly(A) polymerase large subunit;
DE            Short=PAP-L;
DE   AltName: Full=VP55;
GN   Name=PAPL; ORFNames=C1L, E1L;
OS   Variola virus.
OC   Viruses; Varidnaviria; Bamfordvirae; Nucleocytoviricota; Pokkesviricetes;
OC   Chitovirales; Poxviridae; Chordopoxvirinae; Orthopoxvirus.
OX   NCBI_TaxID=10255;
OH   NCBI_TaxID=9606; Homo sapiens (Human).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=Bangladesh-1975;
RX   PubMed=8264798; DOI=10.1038/366748a0;
RA   Massung R.F., Esposito J.J., Liu L.I., Qi J., Utterback T.R., Knight J.C.,
RA   Aubin L., Yuran T.E., Parsons J.M., Loparev V.N., Selivanov N.A.,
RA   Cavallaro K.F., Kerlavage A.R., Mahy B.W.J., Venter J.C.;
RT   "Potential virulence determinants in terminal regions of variola smallpox
RT   virus genome.";
RL   Nature 366:748-751(1993).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Garcia-1966;
RX   PubMed=10639322; DOI=10.1006/viro.1999.0086;
RA   Shchelkunov S.N., Totmenin A.V., Loparev V.N., Safronov P.F., Gutorov V.V.,
RA   Chizhikov V.E., Knight J.C., Parsons J.M., Massung R.F., Esposito J.J.;
RT   "Alastrim smallpox variola minor virus genome DNA sequences.";
RL   Virology 266:361-386(2000).
CC   -!- FUNCTION: Polymerase that creates the 3'-poly(A) tail of mRNA's.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + RNA(n) = diphosphate + RNA(n)-3'-adenine ribonucleotide;
CC         Xref=Rhea:RHEA:11332, Rhea:RHEA-COMP:14527, Rhea:RHEA-COMP:17347,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, ChEBI:CHEBI:140395,
CC         ChEBI:CHEBI:173115; EC=2.7.7.19;
CC   -!- SUBUNIT: Heterodimer of a large (catalytic) subunit and a small
CC       (regulatory) subunit.
CC   -!- SIMILARITY: Belongs to the poxviridae poly(A) polymerase catalytic
CC       subunit family. {ECO:0000305}.
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DR   EMBL; L22579; AAA60790.1; -; Genomic_DNA.
DR   EMBL; Y16780; CAB54642.1; -; Genomic_DNA.
DR   PIR; H72155; H72155.
DR   PIR; T28480; T28480.
DR   RefSeq; NP_042086.1; NC_001611.1.
DR   SMR; P0DOM2; -.
DR   GeneID; 1486407; -.
DR   KEGG; vg:1486407; -.
DR   Proteomes; UP000111493; Genome.
DR   Proteomes; UP000119805; Genome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0004652; F:polynucleotide adenylyltransferase activity; IEA:UniProtKB-EC.
DR   GO; GO:0006397; P:mRNA processing; IEA:UniProtKB-KW.
DR   Gene3D; 1.20.1270.320; -; 1.
DR   Gene3D; 3.30.460.60; -; 1.
DR   InterPro; IPR037265; PolyA_pol_cat_sf.
DR   InterPro; IPR024231; Pox_polyA_pol_nucTrfase.
DR   InterPro; IPR038419; Pox_polyA_pol_nucTrfase_sf.
DR   InterPro; IPR004976; Poxviridae_polyA_pol_cat.
DR   InterPro; IPR024397; Poxvirus_polyA_pol_cat_C.
DR   InterPro; IPR024398; Poxvirus_polyA_pol_cat_N.
DR   InterPro; IPR038337; Poxvirus_polyA_pol_cat_N_sf.
DR   Pfam; PF03296; Pox_polyA_pol; 1.
DR   Pfam; PF12629; Pox_polyA_pol_C; 1.
DR   Pfam; PF12630; Pox_polyA_pol_N; 1.
DR   PIRSF; PIRSF015693; VAC-48L_nuct; 1.
DR   SUPFAM; SSF160957; SSF160957; 1.
PE   3: Inferred from homology;
KW   ATP-binding; mRNA processing; Nucleotide-binding; Transcription;
KW   Transferase.
FT   CHAIN           1..479
FT                   /note="Poly(A) polymerase catalytic subunit"
FT                   /id="PRO_0000448115"
FT   ACT_SITE        202
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        204
FT                   /evidence="ECO:0000250"
FT   VARIANT         10
FT                   /note="F -> L (in strain: Bangladesh-1975 and Garcia-1966)"
FT   VARIANT         110
FT                   /note="N -> D (in strain: Bangladesh-1975 and Garcia-1966)"
SQ   SEQUENCE   479 AA;  55586 MW;  5118681BFC93DDE1 CRC64;
     MNRNPDHNTF PNITLKIIET YLGRLPSVNE YHMLKLQTRN IQKITVFNKD IFVSLVKKNK
     KRFFSDVDTS ASEIKDRILS YFSKQTQTYN IGKLFTIIEL QSVLVTTYTN ILGVLTIKAP
     NVISSKISYN VTSMEELARD MLNSMNVAVI DKAKVMGRHN VSSLVKNVNK LMEEYLRRHN
     KSCICYGSYS LYLINPNIRY GDIDILQTNS RTFLIDLAFL IKFITGNNII LSKIPYLRNY
     MVIKDENDNH IIDSFNIRQD TMNVVPKIFI DNIYIVDPTF QLLNMIKMFS QIDRLEDLSK
     DPEKFNARMA TMLEYVRYTH GIVFDGKRNN MPMKCIIDEN NRVVTVTTKD YFSFKKCLVY
     LDENVLSSDI LDLNADTSCD FESVTNSVYL IHDNIMYTYF SNTILLSDKG KVHEISARGL
     CAHILLYQML TSGAYKQCLS DLLNSMMNRD KIPIYSHTER DKKHGRHGFI NIEKDIIVF