ID A0A1B9DXS0_9FLAO Unreviewed; 713 AA.
AC A0A1B9DXS0;
DT 02-NOV-2016, integrated into UniProtKB/TrEMBL.
DT 02-NOV-2016, sequence version 1.
DT 24-JAN-2024, entry version 29.
DE RecName: Full=Polyribonucleotide nucleotidyltransferase {ECO:0000256|HAMAP-Rule:MF_01595};
DE EC=2.7.7.8 {ECO:0000256|HAMAP-Rule:MF_01595};
DE AltName: Full=Polynucleotide phosphorylase {ECO:0000256|HAMAP-Rule:MF_01595};
DE Short=PNPase {ECO:0000256|HAMAP-Rule:MF_01595};
GN Name=pnp {ECO:0000256|HAMAP-Rule:MF_01595};
GN ORFNames=LPBF_10885 {ECO:0000313|EMBL:OCB74482.1};
OS Flavobacterium crassostreae.
OC Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales;
OC Flavobacteriaceae; Flavobacterium.
OX NCBI_TaxID=1763534 {ECO:0000313|EMBL:OCB74482.1, ECO:0000313|Proteomes:UP000093510};
RN [1] {ECO:0000313|EMBL:OCB74482.1, ECO:0000313|Proteomes:UP000093510}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=LPB0076 {ECO:0000313|EMBL:OCB74482.1,
RC ECO:0000313|Proteomes:UP000093510};
RA Ploux O.;
RL Submitted (MAR-2016) 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:0000256|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:0000256|HAMAP-Rule:MF_01595};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01595};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01595}.
CC -!- SIMILARITY: Belongs to the polyribonucleotide nucleotidyltransferase
CC family. {ECO:0000256|ARBA:ARBA00007404, ECO:0000256|HAMAP-
CC Rule:MF_01595}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OCB74482.1}.
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DR EMBL; LVEP01000038; OCB74482.1; -; Genomic_DNA.
DR RefSeq; WP_066336286.1; NZ_LVEP01000038.1.
DR AlphaFoldDB; A0A1B9DXS0; -.
DR STRING; 1763534.GCA_001831475_00123; -.
DR OrthoDB; 9804305at2; -.
DR Proteomes; UP000093510; Unassembled WGS sequence.
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 {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01595};
KW Magnesium {ECO:0000256|HAMAP-Rule:MF_01595};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_01595};
KW Nucleotidyltransferase {ECO:0000256|ARBA:ARBA00022695, ECO:0000256|HAMAP-
KW Rule:MF_01595}; Reference proteome {ECO:0000313|Proteomes:UP000093510};
KW RNA-binding {ECO:0000256|ARBA:ARBA00022884, ECO:0000256|HAMAP-
KW Rule:MF_01595};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_01595}.
FT DOMAIN 629..700
FT /note="S1 motif"
FT /evidence="ECO:0000259|PROSITE:PS50126"
FT REGION 692..713
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 488
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01595"
FT BINDING 494
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01595"
SQ SEQUENCE 713 AA; 78221 MW; 2F90E49410C37D22 CRC64;
MIPQLFVESI DLGDGRNITI ETGRLAKQAD GSVVIRIGKT VILGTVVSSR KASPGIDFLP
LTVDYREKFA AAGRFPGGFF KREARPSDSE VLTMRLVDRV LRPLFPDDYH AEVQVMIQLM
SHDEDVMPDA LAGLAASAAL ALSDIPFETL ISEARVGRID GKFIINPSRA QLELSDIDMM
IGASMDSIAM VEGEMKEISE AEMLEAIKFA HEHIKNQIAA QLRLQAAFGK KEVRTYEGER
EDEAIYAKVK AASYDKIYAI ASKGSSKQER TAAFEEVKEE VKALFTEEEL AVDGDLVSKY
FKKTNKEAVR NVTLDLGTRL DGRKTTEIRP IWCEVDYLPS VHGSALFTRG ETQALATATL
GTSREANQID SPSQQGEEKF YLHYNFPPFS TGEARPLRGT SRREVGHGNL AQRALKNMIP
TDCPYTIRVV SEVLESNGSS SMATVCAGTL SLMDAGIQMI RPVSGIAMGL ITDGERFAVL
SDILGDEDHL GDMDFKVTGT SVGITACQMD IKIDGLKYEI MEAALAQARD GRLHILGKLI
ETLATPKEDV KAYAPKIITR RIPNAFIGAL IGPGGKVIQE LQKTTGTTIV INEDPATEEG
VIEILGTDPA GIEAVLAKIK SITFKPQMNE SYEVKVIKML DFGAVVEYAE APGNEVLLHV
SELAWERTEN VSDVVNMGDV FQVKYLGMDP KTRKEKVSRK ALLPRPPRED KKE
//