PNP_METEP
ID PNP_METEP Reviewed; 745 AA.
AC A9W8P8;
DT 01-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 01-SEP-2009, sequence version 2.
DT 03-AUG-2022, entry version 80.
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=Mext_4027;
OS Methylorubrum extorquens (strain PA1) (Methylobacterium extorquens).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC Methylobacteriaceae; Methylorubrum.
OX NCBI_TaxID=419610;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PA1;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA Tice H., Pitluck S., Saunders E., Brettin T., Bruce D., Detter J.C.,
RA Han C., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E.,
RA Marx C., Richardson P.;
RT "Complete sequence of Methylobacterium extorquens PA1.";
RL Submitted (DEC-2007) 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: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}.
CC -!- SEQUENCE CAUTION:
CC Sequence=ABY32397.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; CP000908; ABY32397.1; ALT_INIT; Genomic_DNA.
DR RefSeq; WP_003597551.1; NC_010172.1.
DR AlphaFoldDB; A9W8P8; -.
DR SMR; A9W8P8; -.
DR STRING; 419610.Mext_4027; -.
DR EnsemblBacteria; ABY32397; ABY32397; Mext_4027.
DR KEGG; mex:Mext_4027; -.
DR eggNOG; COG1185; Bacteria.
DR HOGENOM; CLU_004217_2_2_5; -.
DR BioCyc; MEXT419610:MEXT_RS20225-MON; -.
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; 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; 2.
DR Pfam; PF00575; S1; 1.
DR PIRSF; PIRSF005499; PNPase; 1.
DR SMART; SM00322; KH; 1.
DR SMART; SM00316; S1; 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..745
FT /note="Polyribonucleotide nucleotidyltransferase"
FT /id="PRO_0000381907"
FT DOMAIN 554..613
FT /note="KH"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT DOMAIN 623..691
FT /note="S1 motif"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT REGION 695..745
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 487
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT BINDING 493
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
SQ SEQUENCE 745 AA; 81002 MW; A1F2D7EBD2D871DD CRC64;
MFDVQREELI WGDRKLVLET GKTARQADGS VVATYGETTV LATVVAGKEP KAGIDFLPLT
VNYQERAYAA GRIPGGYFKR EGRPSEKETL VSRLIDRPIR PLFVEGWRND TQVVVTVLSH
DLENDPDIVA MVAASAALTL SGVPFMGPIG AARVGYLNGG YKLNPLVTEI AESTLDLVVA
GTQDAVLMVE SEAKELSEDV MLGAVMFGHK HFQPVIEAII RLAEKAAKEP RDFTPPENAD
VEAAVLAVAE TELREAYKKT VKQERYAAVD AVKAKVVAAL CPAEGEQKFS PEKVKAAFKE
AQSKVVRWNI LDTGSRIDGR DVKTVRSIVS EVGVLPRAHG SSLFTRGETQ ALVVATLGTG
EDEQFIDALE GTYKERFLLH YNFPPYSVGE TGRMGSPGRR EIGHGKLAWR AIRPVLPPAH
EFPYTIRVVS EITESNGSSS MASVCGGSLS LMDAGVPLRR PVAGIAMGLI LEGERFAVLS
DILGDEDHLG DMDFKVAGSE EGITSLQMDI KIAGITEEIM KIALAQAKDG RAHILGEMSK
ALTAARPELG EYAPRIETMQ IPTDKIRDVI GTGGKIIREI VEKTGAKINI EDTGIVKIAS
SDGKAIKAAY NWIRSIVAEP EAGTIYDGTI VKIMEFGAFV NFFGAKDGLV HISELAAQRV
AKVGDVVKEG QKVKVKFLGA DERGKIRLSM KVVDQETGED LTEKLKAERA ERGEPEREER
SDRGDRGDRG PRRDRGERRR ESSGE