PNP_CHLTR
ID PNP_CHLTR Reviewed; 695 AA.
AC O84849;
DT 29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1998, sequence version 1.
DT 03-AUG-2022, entry version 115.
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=CT_842;
OS Chlamydia trachomatis (strain D/UW-3/Cx).
OC Bacteria; Chlamydiae; Chlamydiales; Chlamydiaceae;
OC Chlamydia/Chlamydophila group; Chlamydia.
OX NCBI_TaxID=272561;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=D/UW-3/Cx;
RX PubMed=9784136; DOI=10.1126/science.282.5389.754;
RA Stephens R.S., Kalman S., Lammel C.J., Fan J., Marathe R., Aravind L.,
RA Mitchell W.P., Olinger L., Tatusov R.L., Zhao Q., Koonin E.V., Davis R.W.;
RT "Genome sequence of an obligate intracellular pathogen of humans: Chlamydia
RT trachomatis.";
RL Science 282:754-759(1998).
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; AE001273; AAC68439.1; -; Genomic_DNA.
DR PIR; E71463; E71463.
DR RefSeq; NP_220363.1; NC_000117.1.
DR RefSeq; WP_010725366.1; NC_000117.1.
DR AlphaFoldDB; O84849; -.
DR SMR; O84849; -.
DR STRING; 813.O172_04710; -.
DR PRIDE; O84849; -.
DR EnsemblBacteria; AAC68439; AAC68439; CT_842.
DR GeneID; 884643; -.
DR KEGG; ctr:CT_842; -.
DR PATRIC; fig|272561.5.peg.929; -.
DR HOGENOM; CLU_004217_2_2_0; -.
DR InParanoid; O84849; -.
DR OMA; LHILDVM; -.
DR Proteomes; UP000000431; Chromosome.
DR GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR GO; GO:0000175; F:3'-5'-exoribonuclease activity; IBA:GO_Central.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004654; F:polyribonucleotide nucleotidyltransferase activity; IBA:GO_Central.
DR GO; GO:0003723; F:RNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0006402; P:mRNA catabolic process; IEA:UniProtKB-UniRule.
DR GO; GO:0006401; P:RNA catabolic process; IBA:GO_Central.
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; 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 PROSITE; PS50084; KH_TYPE_1; 1.
DR PROSITE; PS50126; S1; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Magnesium; Metal-binding; Nucleotidyltransferase;
KW Reference proteome; RNA-binding; Transferase.
FT CHAIN 1..695
FT /note="Polyribonucleotide nucleotidyltransferase"
FT /id="PRO_0000329580"
FT DOMAIN 553..612
FT /note="KH"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT DOMAIN 622..690
FT /note="S1 motif"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT BINDING 486
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT BINDING 492
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
SQ SEQUENCE 695 AA; 75499 MW; B05F36E51ABFAC0A CRC64;
MAFETFSVAL DKDKTLIFET GKIARQASGA VLVKMNETWV FSSACAASLS EAVDFLPFRV
DYQEKFSSAG RTSGGFLKRE GRPSEREILV SRLMDRSLRP SFPNRLMQDI QVLSYVWSYD
GKTLPDPLAI CGASAALAIS EVPQNCIVAG VRVGLVGGKW VINPTRDELS ASKLDLVMAG
TASAVLMIEG HCDFLTEEQV LEAIAFGQTY IAKICDAIEA WQKAIGKQKN FSAVLDMPED
VQNVVSDFIR EKFEKALSFR DKEALEQASK ELEESVIANL VQEENSDFSL LNVKAAFKTA
KSNQMRALIQ DLGIRVDGRT TTEIRPISIE TPFLPRTHGS CLFTRGETQS MAVCTLGGEN
MAQRFEDLNG DGAARFYLQY FFPPFSVGEV GRIGSPGRRE IGHGKLAEKA LSHVLPETSR
FPYIIRLESN ITESNGSSSM ASVCGGCLAL MDAGVPIKAP VAGIAMGLIL DRDQAIILSD
ISGIEDHLGD MDFKVAGTAK GITAFQMDIK IEGITHKIME QALAQAKQGR SHILNLMTQV
LASPKGTVSK YAPRIETMQI NTSKIATVIG PGGKQIRQII ERSGAQVDIN DDGVINIAAS
TQESINKAKE LIEGLTGEVE VGKVYNGRVT SIATFGVFVE VLPGKEGLCH ISELSKQKVD
NISDFVKEGD KLAVKLLSIN EKGQLKLSHK ATLED
