PNP_TROWT
ID PNP_TROWT Reviewed; 738 AA.
AC Q83G94;
DT 29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-2003, sequence version 1.
DT 03-AUG-2022, entry version 114.
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=TWT_421;
OS Tropheryma whipplei (strain Twist) (Whipple's bacillus).
OC Bacteria; Actinobacteria; Micrococcales; Tropherymataceae; Tropheryma.
OX NCBI_TaxID=203267;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Twist;
RX PubMed=12902375; DOI=10.1101/gr.1474603;
RA Raoult D., Ogata H., Audic S., Robert C., Suhre K., Drancourt M.,
RA Claverie J.-M.;
RT "Tropheryma whipplei twist: a human pathogenic Actinobacteria with a
RT reduced genome.";
RL Genome Res. 13:1800-1809(2003).
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; AE014184; AAO44518.1; -; Genomic_DNA.
DR RefSeq; WP_011102569.1; NC_004572.3.
DR AlphaFoldDB; Q83G94; -.
DR SMR; Q83G94; -.
DR STRING; 203267.TWT_421; -.
DR EnsemblBacteria; AAO44518; AAO44518; TWT_421.
DR KEGG; twh:TWT_421; -.
DR eggNOG; COG1185; Bacteria.
DR HOGENOM; CLU_004217_2_2_11; -.
DR OMA; LHILDVM; -.
DR OrthoDB; 122725at2; -.
DR Proteomes; UP000002200; 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; IPR014069; GPSI/PNP.
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; 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; PF01138; RNase_PH; 2.
DR Pfam; PF03725; RNase_PH_C; 1.
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; SSF54211; SSF54211; 2.
DR SUPFAM; SSF54791; SSF54791; 1.
DR SUPFAM; SSF55666; SSF55666; 2.
DR TIGRFAMs; TIGR03591; polynuc_phos; 1.
DR TIGRFAMs; TIGR02696; pppGpp_PNP; 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..738
FT /note="Polyribonucleotide nucleotidyltransferase"
FT /id="PRO_0000329924"
FT DOMAIN 594..653
FT /note="KH"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT DOMAIN 665..737
FT /note="S1 motif"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT BINDING 528
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT BINDING 534
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
SQ SEQUENCE 738 AA; 79815 MW; 51BD61D3D4B8A996 CRC64;
MDDVQFSEGV IDNGRFGTRT IRFETGRLAR QAQGSVVAYL DGETMLLSST SVGKQPKEDC
DFFPLTVDVE ERSYAAGKIP GSYFRREGRP STEAILACRL IDRPLRPSFN AGLRNEVQVI
VTVLSIAPGE FYEALAINAA SASTLVSGLP FSGPIGGVRL ALIDGQWVAF PRYEDLSGAV
FDLTVAGRVF VNESGKEDIA IMMVEAEATE SAWDLIHSHG AKKPNEEVIE EGIESAKVFI
RTLCDIQRDL ASKLSLSHTE PDLYPDYSDS VHSFVEGLVK SDLEKVYRGN HDSGYAPNAL
SASDEIKQKA YDAFHDAVLS GRFDQDSLSQ FPHAYKAVLK DVVRTCVLEG FARMDGRGLS
DIRPLDAEVQ VVPRVHGSAV FQRGETQVLG VTTLNMLKME QQIDSLAPIV SKRYIHHYNF
PPYSTGEVGR VGSPKRREIG HGFLAERALV PVLPSREDFP YAIRQVSEAL GSNGSTSMGS
VCASTLSLLN AGVPLRAPVA GIAMGLISGR VDGEMRYVTL TDISGSEDAL GDMDFKVAGT
SDFITALQLD TKLDGIPAHV LSEALAHARS ARLAILDVLT RVIDSPDQMS EYAPRVVRVK
IPVQKIGELI GPKGKVINSI QDETGAEISI EDDGTVYIGS SQADSSEKAV AMVNSIVNPV
EPCVGSQFLG TVVKNMPFGS FISLVPGKDG LLHISEIRKM VDGRHLESVD EVLSVGQKVL
VEVSKIDDRG KLCLVAVK
