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RNPH_RICAH
ID   RNPH_RICAH              Reviewed;         239 AA.
AC   A8GPB9;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-NOV-2007, sequence version 1.
DT   03-AUG-2022, entry version 71.
DE   RecName: Full=Ribonuclease PH {ECO:0000255|HAMAP-Rule:MF_00564};
DE            Short=RNase PH {ECO:0000255|HAMAP-Rule:MF_00564};
DE            EC=2.7.7.56 {ECO:0000255|HAMAP-Rule:MF_00564};
DE   AltName: Full=tRNA nucleotidyltransferase {ECO:0000255|HAMAP-Rule:MF_00564};
GN   Name=rph {ECO:0000255|HAMAP-Rule:MF_00564}; OrderedLocusNames=A1C_04950;
OS   Rickettsia akari (strain Hartford).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales;
OC   Rickettsiaceae; Rickettsieae; Rickettsia; spotted fever group.
OX   NCBI_TaxID=293614;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Hartford;
RA   Madan A., Fahey J., Helton E., Ketteman M., Madan A., Rodrigues S.,
RA   Sanchez A., Whiting M., Dasch G., Eremeeva M.;
RT   "Complete genome sequence of Rickettsia akari.";
RL   Submitted (SEP-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Phosphorolytic 3'-5' exoribonuclease that plays an important
CC       role in tRNA 3'-end maturation. Removes nucleotide residues following
CC       the 3'-CCA terminus of tRNAs; can also add nucleotides to the ends of
CC       RNA molecules by using nucleoside diphosphates as substrates, but this
CC       may not be physiologically important. Probably plays a role in
CC       initiation of 16S rRNA degradation (leading to ribosome degradation)
CC       during starvation. {ECO:0000255|HAMAP-Rule:MF_00564}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=phosphate + tRNA(n+1) = a ribonucleoside 5'-diphosphate +
CC         tRNA(n); Xref=Rhea:RHEA:10628, Rhea:RHEA-COMP:17343, Rhea:RHEA-
CC         COMP:17344, ChEBI:CHEBI:43474, ChEBI:CHEBI:57930, ChEBI:CHEBI:173114;
CC         EC=2.7.7.56; Evidence={ECO:0000255|HAMAP-Rule:MF_00564};
CC   -!- SUBUNIT: Homohexameric ring arranged as a trimer of dimers.
CC       {ECO:0000255|HAMAP-Rule:MF_00564}.
CC   -!- SIMILARITY: Belongs to the RNase PH family. {ECO:0000255|HAMAP-
CC       Rule:MF_00564}.
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DR   EMBL; CP000847; ABV75244.1; -; Genomic_DNA.
DR   RefSeq; WP_012149874.1; NC_009881.1.
DR   AlphaFoldDB; A8GPB9; -.
DR   SMR; A8GPB9; -.
DR   STRING; 293614.A1C_04950; -.
DR   EnsemblBacteria; ABV75244; ABV75244; A1C_04950.
DR   KEGG; rak:A1C_04950; -.
DR   eggNOG; COG0689; Bacteria.
DR   HOGENOM; CLU_050858_0_0_5; -.
DR   OMA; KGKGQGW; -.
DR   Proteomes; UP000006830; Chromosome.
DR   GO; GO:0000175; F:3'-5'-exoribonuclease activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0009022; F:tRNA nucleotidyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0016075; P:rRNA catabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0006364; P:rRNA processing; IEA:UniProtKB-KW.
DR   GO; GO:0008033; P:tRNA processing; IEA:UniProtKB-UniRule.
DR   CDD; cd11362; RNase_PH_bact; 1.
DR   Gene3D; 3.30.230.70; -; 1.
DR   HAMAP; MF_00564; RNase_PH; 1.
DR   InterPro; IPR001247; ExoRNase_PH_dom1.
DR   InterPro; IPR015847; ExoRNase_PH_dom2.
DR   InterPro; IPR036345; ExoRNase_PH_dom2_sf.
DR   InterPro; IPR027408; PNPase/RNase_PH_dom_sf.
DR   InterPro; IPR020568; Ribosomal_S5_D2-typ_fold.
DR   InterPro; IPR002381; RNase_PH_bac-type.
DR   InterPro; IPR018336; RNase_PH_CS.
DR   Pfam; PF01138; RNase_PH; 1.
DR   Pfam; PF03725; RNase_PH_C; 1.
DR   SUPFAM; SSF54211; SSF54211; 1.
DR   SUPFAM; SSF55666; SSF55666; 1.
DR   TIGRFAMs; TIGR01966; RNasePH; 1.
DR   PROSITE; PS01277; RIBONUCLEASE_PH; 1.
PE   3: Inferred from homology;
KW   Nucleotidyltransferase; RNA-binding; rRNA processing; Transferase;
KW   tRNA processing; tRNA-binding.
FT   CHAIN           1..239
FT                   /note="Ribonuclease PH"
FT                   /id="PRO_1000024869"
FT   BINDING         86
FT                   /ligand="phosphate"
FT                   /ligand_id="ChEBI:CHEBI:43474"
FT                   /ligand_note="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00564"
FT   BINDING         124..126
FT                   /ligand="phosphate"
FT                   /ligand_id="ChEBI:CHEBI:43474"
FT                   /ligand_note="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00564"
SQ   SEQUENCE   239 AA;  26149 MW;  E8368886C5BF5227 CRC64;
     MRQSGRKSNQ LRPISLELSP LINTEGSCII KIGNTHVMCS ATCETTVPPF LRGQNQGWVT
     AEYGMLPGST SQRIKREAAQ GKQGGRTQEI QRLIGRSMRC VMDLKKLGER QIIIDCDVIN
     ADGGTRTASI TGSYVALHLA IRSLMKKRIL KVNPLISQIA AVSCGIYKGE AILDLDYLED
     SDAEVDSNFV FAGNGNLIEV QGTAEQEPFS EEQFIEMLKL AKCGAAELFK LQNQVLLGT
 
 
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