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Database: UniProt
Entry: H2E608_BUBBU
LinkDB: H2E608_BUBBU
Original site: H2E608_BUBBU 
ID   H2E608_BUBBU            Unreviewed;       739 AA.
AC   H2E608;
DT   21-MAR-2012, integrated into UniProtKB/TrEMBL.
DT   21-MAR-2012, sequence version 1.
DT   24-JAN-2024, entry version 45.
DE   RecName: Full=Poly(A) polymerase {ECO:0000256|PIRNR:PIRNR018425};
DE            EC=2.7.7.19 {ECO:0000256|PIRNR:PIRNR018425};
GN   Name=PAP {ECO:0000313|EMBL:AEX30810.1};
OS   Bubalus bubalis (Domestic water buffalo).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Laurasiatheria; Artiodactyla; Ruminantia; Pecora; Bovidae;
OC   Bovinae; Bubalus.
OX   NCBI_TaxID=89462 {ECO:0000313|EMBL:AEX30810.1};
RN   [1] {ECO:0000313|EMBL:AEX30810.1}
RP   NUCLEOTIDE SEQUENCE.
RA   Taru Sharma G., Amar Nath K., Gade N.E., Pratheesh M.D., Saikumar G.;
RT   "Studies on expression of poly(A) polymerase (PAP) in buffalo (Bubalus
RT   bubalis) preimplantation embryos.";
RL   Submitted (SEP-2011) to the EMBL/GenBank/DDBJ databases.
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|ARBA:ARBA00024620,
CC         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}.
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DR   EMBL; JN796406; AEX30810.1; -; mRNA.
DR   RefSeq; NP_001277905.1; NM_001290976.1.
DR   AlphaFoldDB; H2E608; -.
DR   GeneID; 102391534; -.
DR   KEGG; bbub:102391534; -.
DR   CTD; 10914; -.
DR   OrthoDB; 1351913at2759; -.
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:SF9; POLY(A) POLYMERASE ALPHA; 1.
DR   Pfam; PF04928; PAP_central; 1.
DR   Pfam; PF20750; PAP_NTPase; 1.
DR   Pfam; PF04926; PAP_RNA-bind; 2.
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   2: Evidence at transcript level;
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   Nucleus {ECO:0000256|ARBA:ARBA00023242, ECO:0000256|PIRNR:PIRNR018425};
KW   RNA-binding {ECO:0000256|ARBA:ARBA00022884};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|PIRNR:PIRNR018425}.
FT   DOMAIN          21..214
FT                   /note="Poly(A) polymerase nucleotidyltransferase"
FT                   /evidence="ECO:0000259|Pfam:PF20750"
FT   DOMAIN          219..363
FT                   /note="Poly(A) polymerase central"
FT                   /evidence="ECO:0000259|Pfam:PF04928"
FT   DOMAIN          366..434
FT                   /note="Poly(A) polymerase RNA-binding"
FT                   /evidence="ECO:0000259|Pfam:PF04926"
FT   DOMAIN          425..505
FT                   /note="Poly(A) polymerase RNA-binding"
FT                   /evidence="ECO:0000259|Pfam:PF04926"
FT   REGION          1..23
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          500..561
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          581..700
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        1..21
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        514..561
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        581..626
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        646..666
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         100..102
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR018425-1"
FT   BINDING         109
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR018425-1"
FT   BINDING         113..115
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR018425-1"
FT   BINDING         113
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         113
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         115
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         115
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         167
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR018425-1"
FT   BINDING         167
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         228
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR018425-1"
FT   BINDING         237
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR018425-1"
FT   BINDING         246..247
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR018425-1"
SQ   SEQUENCE   739 AA;  82537 MW;  793BC874A485B2B0 CRC64;
     MPFPVTTQGS QQTQPPQKHY GITSPISLAA PKETDCLLTQ KLVETLKPFG VFEEEEELQR
     RILILGKLNN LVKEWIREIS ESKNLPQSVI ENVGGKIFTF GSYRLGVHTK GADIDALCVA
     PRHVDRSDFF TSFYDKLKLQ EEVKDLRAVE EAFVPVIKLC FDGIEIDILF ARLALQTIPE
     DLDLRDDSLL KNLDIRCIRS LNGCRVTDEI LHLVPNIDNF RLTLRAIKLW AKRHNIYSNI
     LGFLGGVSWA MLVARTCQLY PNAIASTLVH KFFLVFSKWE WPNPVLLKQP EECNLNLPVW
     DPRVNPSDRY HLMPIITPAY PQQNSTYNVS VSTRMVMVEE FKQGLAITDE ILLSKAEWSK
     LFEAPNFFQK YKHYIVLLAS APTEKQRLEW VGLVESKIRI LVGSLEKNEF ITLAHVNPQS
     FQAPKENPDK EEFRTMWVIG LVFKKTENSE NLSVDLTYDI QSFTDTVYRQ AINSKMFEVD
     MKIAAMHVKR KQLHPLLPSH VLQKKKKHST EGVKLTPMND SSLDLSMDSD NSMCVPSPTS
     AMKASSLNSF GSSQGRNSPA PSVTAAWVTN IQATEVSLPQ INSSESSGGT SSESIPQTAS
     QPAISSPPKP TVSRVVSSTS LVNPPPRPSG NAAAKIPNPI VGVKRTSSPH KEESPKKTKT
     EEDETSEDAN CLALSGHDKT ETKEQLDTET STTQSETIQT ATSLLASQKT SSTDLSDIPA
     LPANPIPVIK NPIKLRLNR
//
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