ID A0A0B6WXB5_9BACT Unreviewed; 712 AA.
AC A0A0B6WXB5;
DT 01-APR-2015, integrated into UniProtKB/TrEMBL.
DT 01-APR-2015, sequence version 1.
DT 24-JAN-2024, entry version 37.
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=PYK22_01712 {ECO:0000313|EMBL:CDM65706.1};
OS Pyrinomonas methylaliphatogenes.
OC Bacteria; Acidobacteriota; Blastocatellia; Blastocatellales;
OC Pyrinomonadaceae; Pyrinomonas.
OX NCBI_TaxID=454194 {ECO:0000313|EMBL:CDM65706.1, ECO:0000313|Proteomes:UP000031518};
RN [1] {ECO:0000313|EMBL:CDM65706.1, ECO:0000313|Proteomes:UP000031518}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K22 {ECO:0000313|EMBL:CDM65706.1,
RC ECO:0000313|Proteomes:UP000031518};
RA Stott M.;
RL Submitted (DEC-2013) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:CDM65706.1, ECO:0000313|Proteomes:UP000031518}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K22 {ECO:0000313|EMBL:CDM65706.1,
RC ECO:0000313|Proteomes:UP000031518};
RA Lee K.C.Y., Power J.F., Dunfield P.F., Morgan X.C., Huttenhower C.,
RA Stott M.B.;
RT "Complete genome sequence of Pyrinomonas methylaliphatogenes type strain
RT K22T.";
RL Submitted (JAN-2015) 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}.
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DR EMBL; CBXV010000006; CDM65706.1; -; Genomic_DNA.
DR RefSeq; WP_041976205.1; NZ_CBXV010000006.1.
DR AlphaFoldDB; A0A0B6WXB5; -.
DR STRING; 454194.PYK22_01712; -.
DR OrthoDB; 9804305at2; -.
DR Proteomes; UP000031518; 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; 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; IPR036456; PNPase_PH_RNA-bd_sf.
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; SSF46915; Polynucleotide phosphorylase/guanosine pentaphosphate synthase (PNPase/GPSI), domain 3; 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:UP000031518};
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 626..693
FT /note="S1 motif"
FT /evidence="ECO:0000259|PROSITE:PS50126"
FT BINDING 490
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01595"
FT BINDING 496
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01595"
SQ SEQUENCE 712 AA; 79178 MW; 1DE648A5265A80CF CRC64;
MTTKKYLKET IRVGDRDLTV ETGRVAKQAD GAVIIRYGDT MVLVTAVGAR QPREGIDFFP
LTVEYREHNY AAGRIPGNYF RREGRPTEKE ILTSRLIDRP CRPLFAEGYR NETQIAASVI
SADPENDPDV ISITGASCAL YFSDIPFHNP IAGVRVGLVE GRYIINPTYE ELRHSRLNLV
VAGTEEAIVM VEASAKEVSE EIMIEALMLA HKEINRLCRW QKELYKYLEI EKRPVEPEVL
DEEMLRRIEG EYTERLRAAL DTSQQGKLAS YAAVEQLKQE IVESYPEDQL EQRAMAKRVF
DYLKEKIFRD DILNHRRRPD GRRFSEIRPI TCEVGWLPRV HGSALFTRGE TQAIVTTTLG
TKEDEQFLDD LELGEVRRRF MLNYNFPPYA VGEVGRFGSP GRREIGHGAL ARRALEAVLP
EEADFPYTIR VVSDITESNG SSSMASVCGG SLSLMDAGVP IKTAVAGIAM GLVMEGNKYA
ILSDIAGAED HYGDMDFKVA GTKDGITALQ MDIKISGVNA QIMAEALEQA KRGRLHILSI
MEKTIAEPRP GISPYAPRII QIKINPERIR DVIGPGGKII RALVEETGAK IDIEDDGTVS
IATSNSAAAQ AAVERIRGLT AEAEVGETYL GTVTRIADFG AFVEIFPGVE GLLHISEIAA
HRVRNVRDEL KEGQQIMVKC IAKEGNKIKL SRKAVLREEK QRTEAGGKSN FK
//
