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PNP_CYTH3
ID   PNP_CYTH3               Reviewed;         717 AA.
AC   Q11U61;
DT   29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT   22-AUG-2006, sequence version 1.
DT   03-AUG-2022, entry version 91.
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=CHU_1786;
OS   Cytophaga hutchinsonii (strain ATCC 33406 / DSM 1761 / CIP 103989 / NBRC
OS   15051 / NCIMB 9469 / D465).
OC   Bacteria; Bacteroidetes; Cytophagia; Cytophagales; Cytophagaceae;
OC   Cytophaga.
OX   NCBI_TaxID=269798;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33406 / DSM 1761 / CIP 103989 / NBRC 15051 / NCIMB 9469 / D465;
RX   PubMed=17400776; DOI=10.1128/aem.00225-07;
RA   Xie G., Bruce D.C., Challacombe J.F., Chertkov O., Detter J.C., Gilna P.,
RA   Han C.S., Lucas S., Misra M., Myers G.L., Richardson P., Tapia R.,
RA   Thayer N., Thompson L.S., Brettin T.S., Henrissat B., Wilson D.B.,
RA   McBride M.J.;
RT   "Genome sequence of the cellulolytic gliding bacterium Cytophaga
RT   hutchinsonii.";
RL   Appl. Environ. Microbiol. 73:3536-3546(2007).
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; CP000383; ABG59053.1; -; Genomic_DNA.
DR   RefSeq; WP_011585170.1; NZ_FPJX01000003.1.
DR   AlphaFoldDB; Q11U61; -.
DR   SMR; Q11U61; -.
DR   STRING; 269798.CHU_1786; -.
DR   EnsemblBacteria; ABG59053; ABG59053; CHU_1786.
DR   KEGG; chu:CHU_1786; -.
DR   eggNOG; COG1185; Bacteria.
DR   HOGENOM; CLU_004217_2_2_10; -.
DR   OMA; LHILDVM; -.
DR   OrthoDB; 122725at2; -.
DR   Proteomes; UP000001822; 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;
KW   Reference proteome; RNA-binding; Transferase.
FT   CHAIN           1..717
FT                   /note="Polyribonucleotide nucleotidyltransferase"
FT                   /id="PRO_0000329615"
FT   DOMAIN          562..624
FT                   /note="KH"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT   DOMAIN          634..703
FT                   /note="S1 motif"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT   BINDING         495
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT   BINDING         501
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
SQ   SEQUENCE   717 AA;  78480 MW;  696766F9F37EAAFE CRC64;
     MSYPGLTIIN KTITLPDGRE IQIETGKLAK QADGSAVVKL GNAMILATVV SAKEAKPGVD
     FMPLSVDYQE KFASNGKIPG GFLKRESRLS DYEILISRLV DRAMRPLFPE DFHADTQVAI
     TLISADADVL PDALACLAAQ AAMSVSDIPF NGPVSEVRVI SLNGEFIINP KPAQIEKAEL
     ELIVAASYDN VIMVEGEMSE VSEELMLNAI KVAHDAIRTQ CIVLKELESA AGKTEKRTYS
     HEVNDWDLKK KINDAVYQQV YEVAKLGNAN KNTRAEGFKA VKKAYIESLP ADHTEDLTLI
     GKYYHDVEKD AVRNLILDER KRLDGRSLEQ IRPIWSEVGY LPSAHGSAIF TRGETQSLTT
     VTFGTRLDEQ MIDSAMFSGN NKLMLHYNFP GFSTGEVKPN RGPGRREVGH GNLAYRAIKK
     VMPPEIENPY TIRIVSDILE SNGSSSMATV CAGTLALMDA GIKIKAPVSG IAMGLITDTK
     TGRWAVLSDI LGDEDHLGDM DFKVTGTEKG ITACQMDIKV DGLSYDILSQ ALQQANRGRL
     HILSEMKKTL ATPREDLKPH APRMIMIQIP KELIGAVIGP GGKIIQEIQK TSGATVNIEE
     KDNAGWVSIF SKDKTALDSA LSQIKGIVTL PEVGEVYEGK VKSITAFGAF VEFLPGKDGL
     LHISEIKWER LDTMEGVLEV GETVKVKLVE VDKKTGKYRL SRKVLIPKPE QQATSNS
 
 
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