ID A0A0D6KTS6_9CYAN Unreviewed; 247 AA.
AC A0A0D6KTS6;
DT 27-MAY-2015, integrated into UniProtKB/TrEMBL.
DT 27-MAY-2015, sequence version 1.
DT 24-JAN-2024, entry version 40.
DE RecName: Full=Ribonuclease PH {ECO:0000256|HAMAP-Rule:MF_00564};
DE Short=RNase PH {ECO:0000256|HAMAP-Rule:MF_00564};
DE EC=2.7.7.56 {ECO:0000256|HAMAP-Rule:MF_00564};
DE AltName: Full=tRNA nucleotidyltransferase {ECO:0000256|HAMAP-Rule:MF_00564};
GN Name=rph {ECO:0000256|HAMAP-Rule:MF_00564};
GN ORFNames=FDUTEX481_05686 {ECO:0000313|EMBL:EKF02884.1};
OS Tolypothrix sp. PCC 7601.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Tolypothrichaceae;
OC Tolypothrix.
OX NCBI_TaxID=1188 {ECO:0000313|EMBL:EKF02884.1, ECO:0000313|Proteomes:UP000032761};
RN [1] {ECO:0000313|EMBL:EKF02884.1, ECO:0000313|Proteomes:UP000032761}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PCC 7601 / UTEX B 481 {ECO:0000313|Proteomes:UP000032761};
RX PubMed=25953173;
RA Yerrapragada S., Shukla A., Hallsworth-Pepin K., Choi K., Wollam A.,
RA Clifton S., Qin X., Muzny D., Raghuraman S., Ashki H., Uzman A.,
RA Highlander S.K., Fryszczyn B.G., Fox G.E., Tirumalai M.R., Liu Y., Kim S.,
RA Kehoe D.M., Weinstock G.M.;
RT "Extreme Sensory Complexity Encoded in the 10-Megabase Draft Genome
RT Sequence of the Chromatically Acclimating Cyanobacterium Tolypothrix sp.
RT PCC 7601.";
RL Genome Announc. 3:0-0(2015).
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:0000256|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:0000256|HAMAP-Rule:MF_00564};
CC -!- SUBUNIT: Homohexameric ring arranged as a trimer of dimers.
CC {ECO:0000256|HAMAP-Rule:MF_00564}.
CC -!- SIMILARITY: Belongs to the RNase PH family.
CC {ECO:0000256|ARBA:ARBA00006678, ECO:0000256|HAMAP-Rule:MF_00564}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EKF02884.1}.
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DR EMBL; AGCR01000026; EKF02884.1; -; Genomic_DNA.
DR RefSeq; WP_045869896.1; NZ_JH930359.1.
DR AlphaFoldDB; A0A0D6KTS6; -.
DR STRING; 1188.FDUTEX481_05686; -.
DR PATRIC; fig|1188.3.peg.3395; -.
DR HOGENOM; CLU_050858_0_0_3; -.
DR OrthoDB; 9802265at2; -.
DR Proteomes; UP000032761; Unassembled WGS sequence.
DR GO; GO:0000175; F:3'-5'-RNA exonuclease 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; GHMP Kinase, N-terminal domain; 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_Su5_D2-typ_SF.
DR InterPro; IPR002381; RNase_PH_bac-type.
DR InterPro; IPR018336; RNase_PH_CS.
DR NCBIfam; TIGR01966; RNasePH; 1.
DR PANTHER; PTHR11953; EXOSOME COMPLEX COMPONENT; 1.
DR PANTHER; PTHR11953:SF0; EXOSOME COMPLEX COMPONENT RRP41; 1.
DR Pfam; PF01138; RNase_PH; 1.
DR Pfam; PF03725; RNase_PH_C; 1.
DR SUPFAM; SSF55666; Ribonuclease PH domain 2-like; 1.
DR SUPFAM; SSF54211; Ribosomal protein S5 domain 2-like; 1.
DR PROSITE; PS01277; RIBONUCLEASE_PH; 1.
PE 3: Inferred from homology;
KW Nucleotidyltransferase {ECO:0000256|HAMAP-Rule:MF_00564};
KW Reference proteome {ECO:0000313|Proteomes:UP000032761};
KW RNA-binding {ECO:0000256|ARBA:ARBA00022555, ECO:0000256|HAMAP-
KW Rule:MF_00564};
KW rRNA processing {ECO:0000256|ARBA:ARBA00022552, ECO:0000256|HAMAP-
KW Rule:MF_00564};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_00564, ECO:0000313|EMBL:EKF02884.1};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_00564};
KW tRNA-binding {ECO:0000256|ARBA:ARBA00022555, ECO:0000256|HAMAP-
KW Rule:MF_00564}.
FT DOMAIN 13..141
FT /note="Exoribonuclease phosphorolytic"
FT /evidence="ECO:0000259|Pfam:PF01138"
FT DOMAIN 159..224
FT /note="Exoribonuclease phosphorolytic"
FT /evidence="ECO:0000259|Pfam:PF03725"
FT BINDING 87
FT /ligand="phosphate"
FT /ligand_id="ChEBI:CHEBI:43474"
FT /ligand_note="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00564"
FT BINDING 125..127
FT /ligand="phosphate"
FT /ligand_id="ChEBI:CHEBI:43474"
FT /ligand_note="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00564"
SQ SEQUENCE 247 AA; 26903 MW; A958B4A5EE64DB39 CRC64;
MAWQRPDNRQ PYQLRPINFD SGFTRYAPGS VLTKCGDTQV LCTVSVTEGV PKFLAGSGKG
WLTAEYRMLP SATQQRHERE LMKLSGRTQE IQRLIGRSLR AALDFEVLGE RTLTVDADVL
QADAGTRTTA ITGSFVALAN AISRLLHQGV LTRSPLCGQI AAVSVGLLEG EGFLDLNYIE
DVAATVDFNV VMNQDLGIIE VQGTAEEGSY TRSQLNQLLD LAETGIQELL IAQREAITDW
DAIFAGG
//