PNP_MYCTA
ID PNP_MYCTA Reviewed; 752 AA.
AC A5U6D6;
DT 29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 10-JUL-2007, sequence version 1.
DT 03-AUG-2022, entry version 90.
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=MRA_2807;
OS Mycobacterium tuberculosis (strain ATCC 25177 / H37Ra).
OC Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC Mycobacterium; Mycobacterium tuberculosis complex.
OX NCBI_TaxID=419947;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 25177 / H37Ra;
RX PubMed=18584054; DOI=10.1371/journal.pone.0002375;
RA Zheng H., Lu L., Wang B., Pu S., Zhang X., Zhu G., Shi W., Zhang L.,
RA Wang H., Wang S., Zhao G., Zhang Y.;
RT "Genetic basis of virulence attenuation revealed by comparative genomic
RT analysis of Mycobacterium tuberculosis strain H37Ra versus H37Rv.";
RL PLoS ONE 3:E2375-E2375(2008).
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; CP000611; ABQ74586.1; -; Genomic_DNA.
DR RefSeq; WP_003414124.1; NZ_CP016972.1.
DR AlphaFoldDB; A5U6D6; -.
DR SMR; A5U6D6; -.
DR STRING; 419947.MRA_2807; -.
DR EnsemblBacteria; ABQ74586; ABQ74586; MRA_2807.
DR KEGG; mra:MRA_2807; -.
DR eggNOG; COG1185; Bacteria.
DR HOGENOM; CLU_004217_2_2_11; -.
DR OMA; LHILDVM; -.
DR OrthoDB; 122725at2; -.
DR Proteomes; UP000001988; 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; IPR036345; ExoRNase_PH_dom2_sf.
DR InterPro; IPR014069; GPSI/PNP.
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; 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 TIGRFAMs; TIGR02696; pppGpp_PNP; 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..752
FT /note="Polyribonucleotide nucleotidyltransferase"
FT /id="PRO_0000329725"
FT DOMAIN 595..654
FT /note="KH"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT DOMAIN 666..735
FT /note="S1 motif"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT BINDING 529
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT BINDING 535
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
SQ SEQUENCE 752 AA; 79735 MW; FA3C5A2D0855A44F CRC64;
MSAAEIDEGV FETTATIDNG SFGTRTIRFE TGRLALQAAG AVVAYLDDDN MLLSATTASK
NPKEHFDFFP LTVDVEERMY AAGRIPGSFF RREGRPSTDA ILTCRLIDRP LRPSFVDGLR
NEIQIVVTIL SLDPGDLYDV LAINAASAST QLGGLPFSGP IGGVRVALID GTWVGFPTVD
QIERAVFDMV VAGRIVEGDV AIMMVEAEAT ENVVELVEGG AQAPTESVVA AGLEAAKPFI
AALCTAQQEL ADAAGKSGKP TVDFPVFPDY GEDVYYSVSS VATDELAAAL TIGGKAERDQ
RIDEIKTQVV QRLADTYEGR EKEVGAALRA LTKKLVRQRI LTDHFRIDGR GITDIRALSA
EVAVVPRAHG SALFERGETQ ILGVTTLDMI KMAQQIDSLG PETSKRYMHH YNFPPFSTGE
TGRVGSPKRR EIGHGALAER ALVPVLPSVE EFPYAIRQVS EALGSNGSTS MGSVCASTLA
LLNAGVPLKA PVAGIAMGLV SDDIQVEGAV DGVVERRFVT LTDILGAEDA FGDMDFKVAG
TKDFVTALQL DTKLDGIPSQ VLAGALEQAK DARLTILEVM AEAIDRPDEM SPYAPRVTTI
KVPVDKIGEV IGPKGKVINA ITEETGAQIS IEDDGTVFVG ATDGPSAQAA IDKINAIANP
QLPTVGERFL GTVVKTTDFG AFVSLLPGRD GLVHISKLGK GKRIAKVEDV VNVGDKLRVE
IADIDKRGKI SLILVADEDS TAAATDAATV TS
