PNP_STRSV
ID PNP_STRSV Reviewed; 733 AA.
AC A3CQG6;
DT 29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 20-MAR-2007, sequence version 1.
DT 03-AUG-2022, entry version 94.
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=SSA_2049;
OS Streptococcus sanguinis (strain SK36).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC Streptococcus.
OX NCBI_TaxID=388919;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SK36;
RX PubMed=17277061; DOI=10.1128/jb.01808-06;
RA Xu P., Alves J.M., Kitten T., Brown A., Chen Z., Ozaki L.S., Manque P.,
RA Ge X., Serrano M.G., Puiu D., Hendricks S., Wang Y., Chaplin M.D., Akan D.,
RA Paik S., Peterson D.L., Macrina F.L., Buck G.A.;
RT "Genome of the opportunistic pathogen Streptococcus sanguinis.";
RL J. Bacteriol. 189:3166-3175(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; CP000387; ABN45421.1; -; Genomic_DNA.
DR RefSeq; WP_011837516.1; NC_009009.1.
DR RefSeq; YP_001035971.1; NC_009009.1.
DR AlphaFoldDB; A3CQG6; -.
DR SMR; A3CQG6; -.
DR STRING; 388919.SSA_2049; -.
DR EnsemblBacteria; ABN45421; ABN45421; SSA_2049.
DR KEGG; ssa:SSA_2049; -.
DR PATRIC; fig|388919.9.peg.1944; -.
DR eggNOG; COG1185; Bacteria.
DR HOGENOM; CLU_004217_2_2_9; -.
DR OMA; LHILDVM; -.
DR OrthoDB; 122725at2; -.
DR Proteomes; UP000002148; 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; IPR036456; PNPase_PH_RNA-bd_sf.
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; SSF46915; SSF46915; 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..733
FT /note="Polyribonucleotide nucleotidyltransferase"
FT /id="PRO_0000329881"
FT DOMAIN 556..615
FT /note="KH"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT DOMAIN 625..693
FT /note="S1 motif"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT REGION 691..733
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 702..719
FT /note="Basic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 489
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
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"
SQ SEQUENCE 733 AA; 80398 MW; 0B7F46B719B20157 CRC64;
MTKQVFKTVF AGRELVVETG QVAKQANGSA VVRYGESTVL TAATMSKKMA TGDFFPLQVN
YEEKMYAAGK YPGGFNKREG RPSTDATLTA RLIDRPIRPM FAEGFRNEVQ VINTVLSYDE
DASPQMAAMF GSSLALSISD IPFNGPIAGV QVGYVDGKFI INPSKEQKEV SLLELTVAGT
KDAINMVESG AKELSEDIML EALLKGHEAV KELIAFQEEI VAAVGKGKAE VELLHVDEEL
QAEIVAAYNS DLQKAVQVEE KLAREAATQA VKDQVTAVYE EKYADHEEFD RIMRDVAEIL
EQMEHAEVRR LITEDKVRPD GRKVDEIRPL DAEVDYLPRV HGSGLFTRGQ TQALSVLTLA
PMGETQIVDG LDPEYKKRFM HHYNFPQYSV GETGRYGAPG RREIGHGALG ERALEQVLPS
LEEFPYAIRL VAEVLESNGS SSQASICAGT LALMAGGVPI KAPVAGIAMG LISDGSNYTV
LTDIQGLEDH FGDMDFKVAG TREGITALQM DIKIEGITAE ILTEALAQAK KARFEILDLI
EATIPAPRPE LAPTAPKIDT IKIDVDKIKI VIGKGGETID KIIAETGVKI DIDEEGNVSI
YSSDQDAINR AKEIIAGLVR EAKVDEVYHA KVVRIEKFGA FVNLFDKTDA LVHISELAWT
RTNNVEDVVQ IGDEVDVKVI KIDAKGRVDA SMKVLLPRPP KSDKPKHHHD KGHHPHKEYK
GHKDHQESPK TEE
