ID A0A0N1I2K1_LEPSE Unreviewed; 738 AA.
AC A0A0N1I2K1;
DT 09-DEC-2015, integrated into UniProtKB/TrEMBL.
DT 09-DEC-2015, sequence version 1.
DT 27-MAR-2024, entry version 41.
DE RecName: Full=Poly(A) polymerase {ECO:0000256|PIRNR:PIRNR018425};
DE EC=2.7.7.19 {ECO:0000256|PIRNR:PIRNR018425};
GN ORFNames=ABL78_7030 {ECO:0000313|EMBL:KPI83930.1};
OS Leptomonas seymouri.
OC Eukaryota; Discoba; Euglenozoa; Kinetoplastea; Metakinetoplastina;
OC Trypanosomatida; Trypanosomatidae; Leishmaniinae; Leptomonas.
OX NCBI_TaxID=5684 {ECO:0000313|EMBL:KPI83930.1, ECO:0000313|Proteomes:UP000038009};
RN [1] {ECO:0000313|EMBL:KPI83930.1, ECO:0000313|Proteomes:UP000038009}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 30220 {ECO:0000313|EMBL:KPI83930.1,
RC ECO:0000313|Proteomes:UP000038009};
RX PubMed=26317207;
RA Kraeva N., Butenko A., Hlavacova J., Kostygov A., Myskova J., Grybchuk D.,
RA Lestinova T., Votypka J., Volf P., Opperdoes F., Flegontov P., Lukes J.,
RA Yurchenko V.;
RT "Leptomonas seymouri: Adaptations to the Dixenous Life Cycle Analyzed by
RT Genome Sequencing, Transcriptome Profiling and Co-infection with Leishmania
RT donovani.";
RL PLoS Pathog. 11:E1005127-E1005127(2015).
CC -!- FUNCTION: Polymerase that creates the 3'-poly(A) tail of mRNA's.
CC {ECO:0000256|PIRNR:PIRNR018425}.
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 Evidence={ECO:0000256|PIRNR:PIRNR018425};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|PIRSR:PIRSR018425-2};
CC Note=Binds 2 magnesium ions. Also active with manganese.
CC {ECO:0000256|PIRSR:PIRSR018425-2};
CC -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|ARBA:ARBA00001936};
CC -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000256|ARBA:ARBA00004123,
CC ECO:0000256|PIRNR:PIRNR018425}.
CC -!- SIMILARITY: Belongs to the poly(A) polymerase family.
CC {ECO:0000256|ARBA:ARBA00010912, ECO:0000256|PIRNR:PIRNR018425}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KPI83930.1}.
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DR EMBL; LJSK01000308; KPI83930.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0N1I2K1; -.
DR EnsemblProtists; KPI83930; KPI83930; ABL78_7030.
DR VEuPathDB; TriTrypDB:Lsey_0308_0070; -.
DR OMA; TELHCIR; -.
DR OrthoDB; 1351913at2759; -.
DR Proteomes; UP000038009; Unassembled WGS sequence.
DR GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:1990817; F:poly(A) RNA polymerase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0003723; F:RNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0006397; P:mRNA processing; IEA:UniProtKB-KW.
DR GO; GO:0031123; P:RNA 3'-end processing; IEA:InterPro.
DR CDD; cd05402; NT_PAP_TUTase; 1.
DR Gene3D; 1.10.1410.10; -; 1.
DR Gene3D; 3.30.460.10; Beta Polymerase, domain 2; 1.
DR Gene3D; 3.30.70.590; Poly(A) polymerase predicted RNA binding domain; 1.
DR InterPro; IPR043519; NT_sf.
DR InterPro; IPR011068; NuclTrfase_I-like_C.
DR InterPro; IPR007012; PolA_pol_cen_dom.
DR InterPro; IPR048840; PolA_pol_NTPase.
DR InterPro; IPR007010; PolA_pol_RNA-bd_dom.
DR InterPro; IPR014492; PolyA_polymerase.
DR PANTHER; PTHR10682; POLY A POLYMERASE; 1.
DR PANTHER; PTHR10682:SF21; POLY(A) POLYMERASE; 1.
DR Pfam; PF04928; PAP_central; 1.
DR Pfam; PF20750; PAP_NTPase; 1.
DR Pfam; PF04926; PAP_RNA-bind; 1.
DR PIRSF; PIRSF018425; PolyA_polymerase; 1.
DR SUPFAM; SSF81301; Nucleotidyltransferase; 1.
DR SUPFAM; SSF55003; PAP/Archaeal CCA-adding enzyme, C-terminal domain; 1.
DR SUPFAM; SSF81631; PAP/OAS1 substrate-binding domain; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|PIRNR:PIRNR018425};
KW Magnesium {ECO:0000256|PIRSR:PIRSR018425-2};
KW Metal-binding {ECO:0000256|PIRSR:PIRSR018425-2};
KW mRNA processing {ECO:0000256|ARBA:ARBA00022664,
KW ECO:0000256|PIRNR:PIRNR018425};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW ECO:0000256|PIRNR:PIRNR018425};
KW Nucleotidyltransferase {ECO:0000313|EMBL:KPI83930.1};
KW Nucleus {ECO:0000256|ARBA:ARBA00023242, ECO:0000256|PIRNR:PIRNR018425};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|PIRNR:PIRNR018425}.
FT DOMAIN 39..199
FT /note="Poly(A) polymerase nucleotidyltransferase"
FT /evidence="ECO:0000259|Pfam:PF20750"
FT DOMAIN 204..345
FT /note="Poly(A) polymerase central"
FT /evidence="ECO:0000259|Pfam:PF04928"
FT DOMAIN 373..572
FT /note="Poly(A) polymerase RNA-binding"
FT /evidence="ECO:0000259|Pfam:PF04926"
FT REGION 447..503
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 579..738
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 454..477
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 486..503
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 622..664
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 97
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR018425-1"
FT BINDING 101..103
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR018425-1"
FT BINDING 101
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR018425-2"
FT BINDING 101
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR018425-2"
FT BINDING 103
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR018425-2"
FT BINDING 103
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR018425-2"
FT BINDING 155
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR018425-1"
FT BINDING 155
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR018425-2"
FT BINDING 213
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR018425-1"
FT BINDING 222
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR018425-1"
SQ SEQUENCE 738 AA; 80072 MW; 31256E5DB93EEBA3 CRC64;
MAASADKGFL AKKIVSSDGP KGGEVVHDAT LGEWCLTRIE PEEESNRRRS VLERIVNVVR
VWIRHTMITE FRMPEAAAAQ VEGRIFATGS YRYNVHTSGS DVDMVLIAPS RITREHFFNT
LAPRLKSEPW VTDLHCIRES RVPIIAMMCD GIDIDLSFGS IRQDRVPEVI TDDLLQGLDE
QSVLSCNAVR VAHNIMDLVP NKAVFRQALR FVKAWGKARA IYSNTFGFPS GIGWAILTAF
VCQCYPNQNA AGMVTRFFRT YHTWFKPNPH ETGTENRAIY LTESTRARSH LGRGWDPRES
KSDAMALFPV LTPAVPYGNA CYNVTLTNLR QLCDEFQRGH ELLSQHLGLS EAEAKARFGP
FGVWSTVLEP VPFFGKYQHY LHIKVSCSDA EHYQAYADGV ESRMRILWSG NASSRGHTLE
DYRQLRLHLN PRRFEDPEEV ELRARLTSKA TGAGSAAGPR SNAGSRTSGQ LNTDSHAKSL
RGGVAAKHDS STTPNPNAAS VPTGPTWFTA HYIIGMTVDT KVSSAKIDLM PAIRTFQSVV
RELRQYREGV TKLPAITVVD MARIPAFVKE AAGYVEEAAE QPKQKGATTA APQVAERHAS
GGNVERSLAE SGHGGDVGGS ASPSPALSSS EHNHHETASS SATTTAAAHT VGGSSSTAPQ
SAAGIHQPSA VPPTEEQHGA CGNSASASAE AAEALRKRQR EEEGQHGGAP VVAAKKEGNS
AAAKSDDDDL DVALGLDF
//
