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Database: UniProt
Entry: B3PIA0
LinkDB: B3PIA0
Original site: B3PIA0 
ID   PNP_CELJU               Reviewed;         710 AA.
AC   B3PIA0;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   02-SEP-2008, sequence version 1.
DT   27-MAR-2024, entry version 85.
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=CJA_0440;
OS   Cellvibrio japonicus (strain Ueda107) (Pseudomonas fluorescens subsp.
OS   cellulosa).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Cellvibrionales;
OC   Cellvibrionaceae; Cellvibrio.
OX   NCBI_TaxID=498211;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Ueda107;
RX   PubMed=18556790; DOI=10.1128/jb.01701-07;
RA   DeBoy R.T., Mongodin E.F., Fouts D.E., Tailford L.E., Khouri H.,
RA   Emerson J.B., Mohamoud Y., Watkins K., Henrissat B., Gilbert H.J.,
RA   Nelson K.E.;
RT   "Insights into plant cell wall degradation from the genome sequence of the
RT   soil bacterium Cellvibrio japonicus.";
RL   J. Bacteriol. 190:5455-5463(2008).
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   -!- SUBUNIT: Component of the RNA degradosome, which is a multiprotein
CC       complex involved in RNA processing and mRNA degradation.
CC       {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; CP000934; ACE82892.1; -; Genomic_DNA.
DR   RefSeq; WP_012486121.1; NC_010995.1.
DR   AlphaFoldDB; B3PIA0; -.
DR   SMR; B3PIA0; -.
DR   STRING; 498211.CJA_0440; -.
DR   KEGG; cja:CJA_0440; -.
DR   eggNOG; COG1185; Bacteria.
DR   HOGENOM; CLU_004217_2_2_6; -.
DR   OrthoDB; 9804305at2; -.
DR   Proteomes; UP000001036; 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   CDD; cd02393; KH-I_PNPase; 1.
DR   CDD; cd11363; RNase_PH_PNPase_1; 1.
DR   CDD; cd11364; RNase_PH_PNPase_2; 1.
DR   CDD; cd04472; S1_PNPase; 1.
DR   Gene3D; 3.30.230.70; GHMP Kinase, N-terminal domain; 2.
DR   Gene3D; 3.30.1370.10; K Homology domain, type 1; 1.
DR   Gene3D; 2.40.50.140; Nucleic acid-binding proteins; 1.
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_Su5_D2-typ_SF.
DR   InterPro; IPR003029; S1_domain.
DR   NCBIfam; TIGR03591; polynuc_phos; 1.
DR   PANTHER; PTHR11252; POLYRIBONUCLEOTIDE NUCLEOTIDYLTRANSFERASE; 1.
DR   PANTHER; PTHR11252:SF0; POLYRIBONUCLEOTIDE NUCLEOTIDYLTRANSFERASE 1, MITOCHONDRIAL; 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; SSF54791; Eukaryotic type KH-domain (KH-domain type I); 1.
DR   SUPFAM; SSF50249; Nucleic acid-binding proteins; 1.
DR   SUPFAM; SSF55666; Ribonuclease PH domain 2-like; 2.
DR   SUPFAM; SSF54211; Ribosomal protein S5 domain 2-like; 2.
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..710
FT                   /note="Polyribonucleotide nucleotidyltransferase"
FT                   /id="PRO_1000147899"
FT   DOMAIN          553..612
FT                   /note="KH"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT   DOMAIN          622..690
FT                   /note="S1 motif"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT   BINDING         486
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT   BINDING         492
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
SQ   SEQUENCE   710 AA;  76201 MW;  3956DB392A6A2432 CRC64;
     MNPIIKKFQY GNQTVTLETG RIARQATGAV LVSIGEVAVL CTVVGAKEAS PGQDFFPLSV
     HYQEKAYAAG RIPGGYFKRE GRPSEKETLT SRLIDRPIRP LFPEGFLNEV QVICTVVSTD
     KKQDPDIAAM IGTSAALAVS GIPFNGPIGA ARVGYTQGEG YILNPSYKQL ETSELDMVVA
     GTKDAVLMVE SEAKELPEDI MLGAVLYGHQ EMQAVIQACA ELARDAGKAR WDWQPVPENT
     ELKTAIKAAF GVAIGDAYRI TDKAERYNRL GELRSEAVAQ FATEESGISA DAVKSLFGTL
     EYNIVRSRIV ANEPRIDGRD NKTVRPITVD VGVLPKAHGS ALFTRGETQA LVVATLGNAR
     DVQIIDQLEG EKKEAFLLHY NFPPYSVGEC GRMGSTGRRE IGHGRLAKRG VQAVLPKAES
     FPYTLRVVSE ITESNGSSSM ASVCGSSLAL MDAGVPLKAP VAGIAMGLVK EDNGFAVLTD
     ILGDEDHLGD MDFKVAGTTS GVTALQMDIK IEGITEEIME IALEQALAAR LHILGEMNKV
     LSQSRTAVSE NAPRFETIKI HPDKIRDIIG KGGATIRSIT EETNSSIDID DDGTVKVYAD
     DNEALQAALN RIGAIVAEAE IGAIYEGTVV RIVDFGAFVN FLPGKDGLVH ISQIADERVN
     NVSDYLKEGQ VVKVKCLDVD QRGRIKLSIK EALAEEAGTA PAAEPVADAE
//
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