ID   PAP1_VAR67              Reviewed;         479 AA.
AC   P0DOM1; 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 7.
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 (isolate Human/India/Ind3/1967) (VARV) (Smallpox virus).
OC   Viruses; Varidnaviria; Bamfordvirae; Nucleocytoviricota; Pokkesviricetes;
OC   Chitovirales; Poxviridae; Chordopoxvirinae; Orthopoxvirus.
OX   NCBI_TaxID=587200;
OH   NCBI_TaxID=9606; Homo sapiens (Human).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=8109158; DOI=10.1016/0168-1702(93)90093-3;
RA   Shchelkunov S.N., Blinov V.M., Resenchuk S.M., Totmenin A.V.,
RA   Sandakhchiev L.S.;
RT   "Analysis of the nucleotide sequence of a 43 kbp segment of the genome of
RT   variola virus India-1967 strain.";
RL   Virus Res. 30:239-258(1993).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=8384129; DOI=10.1016/0014-5793(93)80041-r;
RA   Shchelkunov S.N., Blinov V.M., Sandakhchiev L.S.;
RT   "Genes of variola and vaccinia viruses necessary to overcome the host
RT   protective mechanisms.";
RL   FEBS Lett. 319:80-83(1993).
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; X69198; CAA48983.1; -; Genomic_DNA.
DR   PIR; D36841; D36841.
DR   RefSeq; NP_042086.1; NC_001611.1.
DR   SMR; P0DOM1; -.
DR   GeneID; 1486407; -.
DR   KEGG; vg:1486407; -.
DR   Proteomes; UP000002060; 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; Reference proteome;
KW   Transcription; Transferase.
FT   CHAIN           1..479
FT                   /note="Poly(A) polymerase catalytic subunit"
FT                   /id="PRO_0000099108"
FT   ACT_SITE        202
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        204
FT                   /evidence="ECO:0000250"
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