ID PNP_EHRRG Reviewed; 789 AA.
AC Q5FHK5;
DT 29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 01-MAR-2005, sequence version 1.
DT 27-MAR-2024, entry version 112.
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};
GN OrderedLocusNames=ERGA_CDS_03570;
OS Ehrlichia ruminantium (strain Gardel).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rickettsiales;
OC Anaplasmataceae; Ehrlichia.
OX NCBI_TaxID=302409;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Gardel;
RX PubMed=16547041; DOI=10.1128/jb.188.7.2533-2542.2006;
RA Frutos R., Viari A., Ferraz C., Morgat A., Eychenie S., Kandassamy Y.,
RA Chantal I., Bensaid A., Coissac E., Vachiery N., Demaille J., Martinez D.;
RT "Comparative genomic analysis of three strains of Ehrlichia ruminantium
RT reveals an active process of genome size plasticity.";
RL J. Bacteriol. 188:2533-2542(2006).
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; CR925677; CAI27809.1; -; Genomic_DNA.
DR RefSeq; WP_011255504.1; NC_006831.1.
DR AlphaFoldDB; Q5FHK5; -.
DR SMR; Q5FHK5; -.
DR KEGG; erg:ERGA_CDS_03570; -.
DR HOGENOM; CLU_004217_2_2_5; -.
DR OrthoDB; 9804305at2; -.
DR Proteomes; UP000000533; 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; cd11364; RNase_PH_PNPase_2; 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; RNA-binding;
KW Transferase.
FT CHAIN 1..789
FT /note="Polyribonucleotide nucleotidyltransferase"
FT /id="PRO_0000329632"
FT DOMAIN 561..620
FT /note="KH"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT DOMAIN 630..697
FT /note="S1 motif"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT REGION 709..789
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 718..733
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 494
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT BINDING 500
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
SQ SEQUENCE 789 AA; 86507 MW; E9CC451A1AE0BB20 CRC64;
MFNLIRKSTE WGGKTLVLES GKIARQANGA VVVTYGGTTV LSTVVAGKAK EPVDFLPLTV
QFVAKSYAVG KIPGGFLKRE GKPSDRETLI SRLIDRSIRP LFPSGFYDEV SIVCNLLSYD
TVTPPEVTAL IGATAALAIS GVPFNGMVVG ARVGYLLSED KYLLNASADE MLSSSLDLFL
SGNKDSVLMV ESEASELSES QMLAAISFGH QNCQEVIKLI EEFREESGIL PFGFIPHDIT
SLVDDIASSY TESFSIAYSN IVKKERVLEL EKLRDQVLSD MLAKYEQPNG NLQCQYSSQD
IISALKSFER SLVRSKIIET SSRIDGRAFN GIRDIEIEID VLPKTHGSAL FTRGNTQALV
VTALGTPQDE QIVDDLDGDR RENFLLHYNF PPYAVGESAA LRAPGRREIG HGKLAWKAIR
YVLPEKSDFP YTIRVVSEIT ESDGSSSMAT VCGASLALMD TGVPIKAPVA GIAMGLIKEG
EKFIILSDIL GDEDHLGDMD FKVAGTSSGI TALQMDMKIS GISIEVIEKS LLQAKDGRMH
ILDKMNLVIQ ESRECIKNHA PRIESIFINK DKIRNVIGSG GKNIREICEK TGARVEIMQD
GTVMIYAINN DAVEYAKNMI MDIVSEPEIG KVFDGTVIEI VKFGAFVSFL GGKRGLIHIS
EIKNEHINAV GSVISVNDKV KVLVIGIDRE YVQLSMRRVD QETGEPIDGE LYNIRKTNSD
SDDSFLSSGS VNNRHGSEKK RRGSGRSRRS SGGSSYHRDD LHNNGFGNGN RSFNDNRNGN
EVPRKPRFF
//
