ID   PNP_THENN               Reviewed;         707 AA.
AC   B9K8Y9;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   24-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 71.
DE   RecName: Full=Polyribonucleotide nucleotidyltransferase {ECO:0000255|HAMAP-Rule:MF_01595};
DE            EC=2.7.7.8 {ECO:0000255|HAMAP-Rule:MF_01595};
DE   AltName: Full=Polynucleotide phosphorylase {ECO:0000255|HAMAP-Rule:MF_01595};
DE            Short=PNPase {ECO:0000255|HAMAP-Rule:MF_01595};
GN   Name=pnp {ECO:0000255|HAMAP-Rule:MF_01595}; OrderedLocusNames=CTN_1246;
OS   Thermotoga neapolitana (strain ATCC 49049 / DSM 4359 / NBRC 107923 / NS-E).
OC   Bacteria; Thermotogae; Thermotogales; Thermotogaceae; Thermotoga.
OX   NCBI_TaxID=309803;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49049 / DSM 4359 / NBRC 107923 / NS-E;
RA   Lim S.K., Kim J.S., Cha S.H., Park B.C., Lee D.S., Tae H.S., Kim S.-J.,
RA   Kim J.J., Park K.J., Lee S.Y.;
RT   "The genome sequence of the hyperthermophilic bacterium Thermotoga
RT   neapolitana.";
RL   Submitted (NOV-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Involved in mRNA degradation. Catalyzes the phosphorolysis of
CC       single-stranded polyribonucleotides processively in the 3'- to 5'-
CC       direction. {ECO:0000255|HAMAP-Rule:MF_01595}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=phosphate + RNA(n+1) = a ribonucleoside 5'-diphosphate +
CC         RNA(n); Xref=Rhea:RHEA:22096, Rhea:RHEA-COMP:14527, Rhea:RHEA-
CC         COMP:17342, ChEBI:CHEBI:43474, ChEBI:CHEBI:57930, ChEBI:CHEBI:140395;
CC         EC=2.7.7.8; Evidence={ECO:0000255|HAMAP-Rule:MF_01595};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01595};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01595}.
CC   -!- SIMILARITY: Belongs to the polyribonucleotide nucleotidyltransferase
CC       family. {ECO:0000255|HAMAP-Rule:MF_01595}.
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DR   EMBL; CP000916; ACM23422.1; -; Genomic_DNA.
DR   RefSeq; WP_015919737.1; NC_011978.1.
DR   AlphaFoldDB; B9K8Y9; -.
DR   SMR; B9K8Y9; -.
DR   STRING; 309803.CTN_1246; -.
DR   EnsemblBacteria; ACM23422; ACM23422; CTN_1246.
DR   KEGG; tna:CTN_1246; -.
DR   eggNOG; COG1185; Bacteria.
DR   HOGENOM; CLU_004217_2_2_0; -.
DR   OMA; LHILDVM; -.
DR   Proteomes; UP000000445; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004654; F:polyribonucleotide nucleotidyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006402; P:mRNA catabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0006396; P:RNA processing; IEA:InterPro.
DR   Gene3D; 2.40.50.140; -; 1.
DR   Gene3D; 3.30.1370.10; -; 1.
DR   Gene3D; 3.30.230.70; -; 2.
DR   HAMAP; MF_01595; PNPase; 1.
DR   InterPro; IPR001247; ExoRNase_PH_dom1.
DR   InterPro; IPR015847; ExoRNase_PH_dom2.
DR   InterPro; IPR036345; ExoRNase_PH_dom2_sf.
DR   InterPro; IPR004087; KH_dom.
DR   InterPro; IPR004088; KH_dom_type_1.
DR   InterPro; IPR036612; KH_dom_type_1_sf.
DR   InterPro; IPR012340; NA-bd_OB-fold.
DR   InterPro; IPR012162; PNPase.
DR   InterPro; IPR027408; PNPase/RNase_PH_dom_sf.
DR   InterPro; IPR015848; PNPase_PH_RNA-bd_bac/org-type.
DR   InterPro; IPR020568; Ribosomal_S5_D2-typ_fold.
DR   InterPro; IPR022967; S1_dom.
DR   InterPro; IPR003029; S1_domain.
DR   PANTHER; PTHR11252; PTHR11252; 1.
DR   Pfam; PF00013; KH_1; 1.
DR   Pfam; PF03726; PNPase; 1.
DR   Pfam; PF01138; RNase_PH; 2.
DR   Pfam; PF03725; RNase_PH_C; 2.
DR   Pfam; PF00575; S1; 1.
DR   PIRSF; PIRSF005499; PNPase; 1.
DR   SMART; SM00322; KH; 1.
DR   SMART; SM00316; S1; 1.
DR   SUPFAM; SSF50249; SSF50249; 1.
DR   SUPFAM; SSF54211; SSF54211; 2.
DR   SUPFAM; SSF54791; SSF54791; 1.
DR   SUPFAM; SSF55666; SSF55666; 2.
DR   TIGRFAMs; TIGR03591; polynuc_phos; 1.
DR   PROSITE; PS50084; KH_TYPE_1; 1.
DR   PROSITE; PS50126; S1; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Magnesium; Metal-binding; Nucleotidyltransferase; RNA-binding;
KW   Transferase.
FT   CHAIN           1..707
FT                   /note="Polyribonucleotide nucleotidyltransferase"
FT                   /id="PRO_1000185759"
FT   DOMAIN          555..615
FT                   /note="KH"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT   DOMAIN          625..692
FT                   /note="S1 motif"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT   BINDING         488
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT   BINDING         494
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
SQ   SEQUENCE   707 AA;  78671 MW;  F984E0CE19788C0B CRC64;
     MKEWRREILG RELVVQHGKV AKQSSGAVLV RFGDTAVLAT ANISDKVIEG IDFVPLTVEF
     QERFYAAGKI PGGFIKREGK PSESAILSAR LIDRPIRPLF PKKLRNEIQV IVTVLSADPN
     VPPDVVGIFA VSLALNVSKI PFEGIVAGIR IGYRDGQFIA FPTEEDIEKG LMDITVAGTK
     DAVTMVEGEA KEVSEEDMVK ALRFAHSVIK ELVDFQEEIL SEFNVEKIPV VEPEPPEGLV
     ETFNSLLDRE ELERRILVKA KKEREAALKE YEEKLLSQTA EALSIVDPEE IKPFVSELYE
     EAVKKTMRRL IVEKGIRADG RKPNEIRPIS CEVGLFPRTH GSALFTRGET QSLGIVTLGA
     PMDVQIIDTL LEEGVKRFML HYNFPPFCTG EVKPLRGPSR REIGHGHLAE RALKNMLPPE
     EEFPYTIRVV SEILESNGSS SMATVCSGSL ALMDAGVPIR KHVAGIAMGL ILEEDAEVIL
     TDIIGMEDHY GDMDFKVAGT RDGITAFQMD CKVSGVSDEL LMKALMQARE ARMYILDKMY
     ETISAPRPHL SRYAPIIKVT KIDPDKVADV IGPGGRVIKK IIKDFDVKVE IDDETGLVKV
     VGNSEENVDN AIALIREIAK EIEVGEILEG KITRIEPYGL FIEVRPGKIG LLHQSKVGED
     MRQFLKKVKV GDTIKVQVIN IDDLGRLQFK RVKEESPQHG EVHNKRH