ID PNP_ACIET Reviewed; 727 AA.
AC B9MEL0;
DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 24-MAR-2009, sequence version 1.
DT 27-MAR-2024, entry version 80.
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=Dtpsy_0868;
OS Acidovorax ebreus (strain TPSY) (Diaphorobacter sp. (strain TPSY)).
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Comamonadaceae; Diaphorobacter.
OX NCBI_TaxID=535289;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=TPSY;
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Tice H., Bruce D.,
RA Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C., Han C.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Coates J.D.;
RT "Complete sequence of Diaphorobacter sp. TPSY.";
RL Submitted (JAN-2009) 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; CP001392; ACM32346.1; -; Genomic_DNA.
DR RefSeq; WP_015912606.1; NC_011992.1.
DR AlphaFoldDB; B9MEL0; -.
DR SMR; B9MEL0; -.
DR KEGG; dia:Dtpsy_0868; -.
DR eggNOG; COG1185; Bacteria.
DR HOGENOM; CLU_004217_2_2_4; -.
DR Proteomes; UP000000450; 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; IPR036456; PNPase_PH_RNA-bd_sf.
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; SSF46915; Polynucleotide phosphorylase/guanosine pentaphosphate synthase (PNPase/GPSI), domain 3; 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; RNA-binding;
KW Transferase.
FT CHAIN 1..727
FT /note="Polyribonucleotide nucleotidyltransferase"
FT /id="PRO_1000185734"
FT DOMAIN 555..614
FT /note="KH"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT DOMAIN 624..692
FT /note="S1 motif"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT REGION 691..727
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 706..721
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
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 727 AA; 78808 MW; E8F32D50F492E2A1 CRC64;
MSIFNKVTKS FQWGDKTVVM ETGEIARQAS GAVLVNIDDT VVLATVVGSK QAKPGQDFFP
LTVDYIEKTY AAGKIPGSFF KREAKPSELE TLTSRLIDRP IRPLFPEGFY NEVHVVIHTI
SLNPEVDADI AAMIAVSAAL SVSGIPFNGP IGAARVGYVN GEYVLNPGQT ARKSSQLDLV
VAGTEAAVLM VESEAQQLSE EIMLGAVVFG HEQGKVAINA IHELVRDAGK PVWDWQPPAK
DETFIAKVTA LAEDKLRAAY QIRSKQARTQ ALREASASVL ESLKGEGVEF DAVKVEALLF
DIEAKIVRSQ ILAGEPRIDG RDTRTVRPIE IRNSVLPRTH GSALFTRGET QALVVSTLGT
ERDAQRIDAL AGEFEDRFIF HYNMPPFATG EVGRMGSTKR REIGHGRLAK RALVACLPSK
DEFPYTIRVV SEITESNGSS SMASVCGGCL SLMDAGVPMK AHVAGIAMGL IKEDNRFAVL
TDILGDEDHL GDMDFKVAGT TNGITALQMD IKIQGITKEI MQVALAQAKE ARMHILGKMQ
EAMGEAKTEI SSFAPKLYTM KINPEKIRDV IGKGGATIRA LTDETGCQIN IEEDGTITIA
ATEAAKADEA KRRIEEITAE VEVGKVYEGP VTKILDFGAL INLLPGKDGL LHISQIAHER
VEKVGDYLQE GQVVKVKVLE TDDKGRVKLS MKALADRPAG DSGRPAPAER GERRERRDGG
ASEQQQQ
//
