PNP_PROM1
ID PNP_PROM1 Reviewed; 722 AA.
AC A2C412;
DT 29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 20-FEB-2007, sequence version 1.
DT 03-AUG-2022, entry version 88.
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=NATL1_16651;
OS Prochlorococcus marinus (strain NATL1A).
OC Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC Prochlorococcus.
OX NCBI_TaxID=167555;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NATL1A;
RX PubMed=18159947; DOI=10.1371/journal.pgen.0030231;
RA Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S.,
RA Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M.,
RA Richardson P., Chisholm S.W.;
RT "Patterns and implications of gene gain and loss in the evolution of
RT Prochlorococcus.";
RL PLoS Genet. 3:2515-2528(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; CP000553; ABM76222.1; -; Genomic_DNA.
DR RefSeq; WP_011824227.1; NC_008819.1.
DR AlphaFoldDB; A2C412; -.
DR SMR; A2C412; -.
DR STRING; 167555.NATL1_16651; -.
DR EnsemblBacteria; ABM76222; ABM76222; NATL1_16651.
DR KEGG; pme:NATL1_16651; -.
DR eggNOG; COG1185; Bacteria.
DR HOGENOM; CLU_004217_2_2_3; -.
DR OMA; LHILDVM; -.
DR Proteomes; UP000002592; 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; 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_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; PF03726; PNPase; 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; SSF50249; SSF50249; 1.
DR SUPFAM; SSF54211; SSF54211; 2.
DR SUPFAM; SSF54791; SSF54791; 1.
DR SUPFAM; SSF55666; SSF55666; 2.
DR TIGRFAMs; TIGR03591; polynuc_phos; 1.
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..722
FT /note="Polyribonucleotide nucleotidyltransferase"
FT /id="PRO_0000329771"
FT DOMAIN 562..621
FT /note="KH"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT DOMAIN 631..699
FT /note="S1 motif"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT REGION 700..722
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 495
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT BINDING 501
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
SQ SEQUENCE 722 AA; 78273 MW; 31DAC50AB113051D CRC64;
MQGQTKSVSF DGREIKLTTG RFAPQAGGSV MIECGDTSVL VTATKSSGRE GVDFLPLMCD
YEERLYAAGR IPGSFMRREG RPPERATLIS RLIDRPMRPL FPGWMRDDIQ IVATCLSLDE
RVPADVLAVT GASMATLMAG IPFQGPMAAV RVGLLGDDFV LNPSYREIER GDLDLVVAGT
PDGVVMVEAG ANQLSEQDVI EAIDFGYEAI TELINAQKEV LKESGIKQEM PKAPEIDDTI
STYLDKNCTK SISEVLKNFD QTKEERDNKI EEIKISISAK IDGLKDDNAV KKSLSLNNKL
LENSYKALTK KLMREQIIKE GKRVDGRELN EVRAIEADAA VLPNRVHGSA LFQRGLTQVL
STATLGTPSD AQEMDDLNPN TDKTYIHHYN FPPYSVGETR PMRTPGRREV GHGALAERAL
IPVLPAKDTF PYVLRVVSEV LSSNGSTSMA SVCGSTLALM DAGVPLKAPV GGAAMGLIKE
GKEVRILTDI QGIEDFLGDM DFKVAGTEKG ITALQMDMKI TGLPIETIGE AINQALPART
HILGKMLDAI ETPKDNLSPH APRLLSFRID PELIGTVIGP GGRTIKGITE RTNTKIDIED
GGIVTIASHD GAAAEEAQRI IEGLTRKVHE GEIFPGSITR IIPIGAFVEI LPGKEGMIHI
SQLSEARVEK VEDVVKVGDQ VTVRVREIDN RGRINLTLRG VSQNGGMSNY PEPTPTPVAP
LT
