ID PNP_MICAN Reviewed; 717 AA.
AC B0JYC3;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 18-MAR-2008, sequence version 1.
DT 27-MAR-2024, 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=MAE_53390;
OS Microcystis aeruginosa (strain NIES-843 / IAM M-2473).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC Chroococcales; Microcystaceae; Microcystis.
OX NCBI_TaxID=449447;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NIES-843 / IAM M-247;
RX PubMed=18192279; DOI=10.1093/dnares/dsm026;
RA Kaneko T., Nakajima N., Okamoto S., Suzuki I., Tanabe Y., Tamaoki M.,
RA Nakamura Y., Kasai F., Watanabe A., Kawashima K., Kishida Y., Ono A.,
RA Shimizu Y., Takahashi C., Minami C., Fujishiro T., Kohara M., Katoh M.,
RA Nakazaki N., Nakayama S., Yamada M., Tabata S., Watanabe M.M.;
RT "Complete genomic structure of the bloom-forming toxic cyanobacterium
RT Microcystis aeruginosa NIES-843.";
RL DNA Res. 14:247-256(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; AP009552; BAG05161.1; -; Genomic_DNA.
DR RefSeq; WP_012267692.1; NC_010296.1.
DR AlphaFoldDB; B0JYC3; -.
DR SMR; B0JYC3; -.
DR STRING; 449447.MAE_53390; -.
DR PaxDb; 449447-MAE_53390; -.
DR EnsemblBacteria; BAG05161; BAG05161; MAE_53390.
DR KEGG; mar:MAE_53390; -.
DR PATRIC; fig|449447.4.peg.4866; -.
DR eggNOG; COG1185; Bacteria.
DR HOGENOM; CLU_004217_2_2_3; -.
DR BioCyc; MAER449447:MAE_RS23215-MONOMER; -.
DR Proteomes; UP000001510; 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; 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..717
FT /note="Polyribonucleotide nucleotidyltransferase"
FT /id="PRO_1000087992"
FT DOMAIN 563..622
FT /note="KH"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT DOMAIN 632..700
FT /note="S1 motif"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT BINDING 496
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT BINDING 502
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
SQ SEQUENCE 717 AA; 78010 MW; A889548D74795D26 CRC64;
MEEFDKSISF DGRDIRLKIG LLAPQAGGSV LIQSGETAVL VTATTAKARE GVDFLPLTVD
YEERLYAAGR IPGGFLRREG RPPEKAILTG RLIDRPLRPL FPNWMRDDIQ VVATTLSMDE
EVPPDVLAVT GASVAVLLAG IPFQGPMAAV RVGLLGDEFI INPTYKEIHN GELDLVVAGS
PEGVVMIEAG ANQLPERDII EAIDFGYEAV RDLITAQREL IDQLGIPLVT REAPAVNETV
QNFLREQAKE EIKQILSQFT LSKTERDEKL EAIENRIKET ITALPDEDTL KAPTLEEPKL
IGNLFKDLTK KLMRAQIIED GVRVDGRQLD EVRPISCRVG VLPRRVHGSG LFNRGLTQVL
SIATLGTPGD AQDLGDDLHP EDEKRYLHHY NFPPFSVGET RPMRSPGRRE IGHGALAERA
IVPVLPPQEE FPYVLRVVSE VLSSNGSTSM GSVCGSTLAL MDAGVPLKKP VSGAAMGLIK
EGEEVRILTD IQGIEDFLGD MDFKVAGTDS GITALQMDMK IPGLSMEVVA KAIEQALPAR
KHILEKMLAT LEKPRTELSP HAPRLLTIKI DPDLIGLVIG PGGKTVKGIT EQTGTKIDID
DDGTVTISST DGEQAEKAKR LIYNMTRKLN EGEVYLGRVT RIIQIGAFVE VLPGKEGMIH
ISQLAEGRVG KVEDEVAVGD EVLVKVREID SKGRLNLTRL GIHPDEAAAA RKAATVV
//
