ID H5SHL9_9CHLR Unreviewed; 743 AA.
AC H5SHL9;
DT 18-APR-2012, integrated into UniProtKB/TrEMBL.
DT 18-APR-2012, sequence version 1.
DT 24-JAN-2024, entry version 48.
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=HGMM_F30B08C07 {ECO:0000313|EMBL:BAL55655.1};
OS uncultured Chloroflexota bacterium.
OC Bacteria; Chloroflexota; environmental samples.
OX NCBI_TaxID=166587 {ECO:0000313|EMBL:BAL55655.1};
RN [1] {ECO:0000313|EMBL:BAL55655.1}
RP NUCLEOTIDE SEQUENCE.
RX PubMed=16309394; DOI=10.1111/j.1462-2920.2005.00881.x;
RA Nunoura T., Hirayama H., Takami H., Oida H., Nishi S., Shimamura S.,
RA Suzuki Y., Inagaki F., Takai K., Nealson K.H., Horikoshi K.;
RT "Genetic and functional properties of uncultivated thermophilic
RT crenarchaeotes from a subsurface gold mine as revealed by analysis of
RT genome fragments.";
RL Environ. Microbiol. 7:1967-1984(2005).
RN [2] {ECO:0000313|EMBL:BAL55655.1}
RP NUCLEOTIDE SEQUENCE.
RA Takami H., Noguchi H., Takaki Y., Uchiyama I., Toyoda A., Nishi S.,
RA Chee G.-J., Arai W., Nunoura T., Itoh T., Hattori M., Takai K.;
RT "A Deeply Branching Thermophilic Bacterium with an Ancient Acetyl-CoA
RT Pathway Dominates a Subsurface Ecosystem.";
RL PLoS ONE 7:e30559-e30559(2012).
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; AP011725; BAL55655.1; -; Genomic_DNA.
DR AlphaFoldDB; H5SHL9; -.
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};
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 623..691
FT /note="S1 motif"
FT /evidence="ECO:0000259|PROSITE:PS50126"
FT REGION 696..743
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 711..733
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 487
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01595"
FT BINDING 493
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01595"
SQ SEQUENCE 743 AA; 80992 MW; FADC9AD4997B69AF CRC64;
MKPEAKQFST TVGGRVITFE TGKLAGQANG AVTVQLGETM IFAAATMSKT ARADVDFFPL
SVEYEERMYA GGRIPGSFFR REGKPSTEAI LTARLADRPI RPLFPKGMRN EVQIIMYSLS
VDNENPIDIL AINAASAALM ISDIPWNGPV GAVRVGLLDG EFVVNPTFQE MERSDLDLRI
AGTRDAILMV ECGAKEVPED VMVAALEFGH RALQPLIDLQ EQMRAEVGKP KAEPILILPD
ETLLESVFER VKEPMSELLD KPLSKEEFNS GMEALLAQVT AEMTTGENPP SPQDIQLAFT
EAEKRLVRAR ILEGKRPDGR GPKDIRPIWC EVDIAPRAHG SGLFTRGETQ VLTLATLGTL
SEAQEIDSLI PQETKRYMHH YNFPPFSTGE VKPLRGQSRR EIGHGALAER ALEPVIPPES
EFPYTLRLVS EVLSSNGSTS MASVCGSTLA LMDTGVPIKA PVAGVAMGLV KEGDRYVILT
DIQGAEDHLG DMDFKVAGTA KGITALQMDI KIGGLTKEIM AEALEQARQA RLAILEKMLE
VIPAPRPELK PHAPRITTVL IPTDKIGVLI GPGGKTVRAI QQETDTTIDI REDGTVYILA
TNAENARAAR DRIKWLTAEP EVGEIYTGRV VRTTDFGAFV EILPGTDGMV HISQLDTTRV
NRVEDVVKVG DEITVMVTDI DPDGKIRLSR QAVLEGWTPE EARSRDRRGP AQSQKTSSSS
TRSTSSRPSG GSGKQPQRGK PKR
//
