ID   ORN_RUTMC               Reviewed;         180 AA.
AC   A1AVF0;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 1.
DT   03-AUG-2022, entry version 78.
DE   RecName: Full=Oligoribonuclease {ECO:0000255|HAMAP-Rule:MF_00045};
DE            EC=3.1.15.- {ECO:0000255|HAMAP-Rule:MF_00045};
GN   Name=orn {ECO:0000255|HAMAP-Rule:MF_00045}; OrderedLocusNames=Rmag_0111;
OS   Ruthia magnifica subsp. Calyptogena magnifica.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; sulfur-oxidizing symbionts;
OC   Candidatus Ruthia.
OX   NCBI_TaxID=413404;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=17303757; DOI=10.1126/science.1138438;
RA   Newton I.L.G., Woyke T., Auchtung T.A., Dilly G.F., Dutton R.J.,
RA   Fisher M.C., Fontanez K.M., Lau E., Stewart F.J., Richardson P.M.,
RA   Barry K.W., Saunders E., Detter J.C., Wu D., Eisen J.A., Cavanaugh C.M.;
RT   "The Calyptogena magnifica chemoautotrophic symbiont genome.";
RL   Science 315:998-1000(2007).
CC   -!- FUNCTION: 3'-to-5' exoribonuclease specific for small
CC       oligoribonucleotides. {ECO:0000255|HAMAP-Rule:MF_00045}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00045}.
CC   -!- SIMILARITY: Belongs to the oligoribonuclease family.
CC       {ECO:0000255|HAMAP-Rule:MF_00045}.
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DR   EMBL; CP000488; ABL01907.1; -; Genomic_DNA.
DR   RefSeq; WP_011737533.1; NC_008610.1.
DR   AlphaFoldDB; A1AVF0; -.
DR   SMR; A1AVF0; -.
DR   STRING; 413404.Rmag_0111; -.
DR   PRIDE; A1AVF0; -.
DR   EnsemblBacteria; ABL01907; ABL01907; Rmag_0111.
DR   KEGG; rma:Rmag_0111; -.
DR   eggNOG; COG1949; Bacteria.
DR   HOGENOM; CLU_064761_2_0_6; -.
DR   OMA; AFFHYRN; -.
DR   OrthoDB; 1390327at2; -.
DR   Proteomes; UP000002587; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0000175; F:3'-5'-exoribonuclease activity; IEA:InterPro.
DR   GO; GO:0003676; F:nucleic acid binding; IEA:InterPro.
DR   CDD; cd06135; Orn; 1.
DR   Gene3D; 3.30.420.10; -; 1.
DR   HAMAP; MF_00045; Oligoribonuclease; 1.
DR   InterPro; IPR013520; Exonuclease_RNaseT/DNA_pol3.
DR   InterPro; IPR022894; Oligoribonuclease.
DR   InterPro; IPR012337; RNaseH-like_sf.
DR   InterPro; IPR036397; RNaseH_sf.
DR   PANTHER; PTHR11046; PTHR11046; 1.
DR   Pfam; PF00929; RNase_T; 1.
DR   SMART; SM00479; EXOIII; 1.
DR   SUPFAM; SSF53098; SSF53098; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Exonuclease; Hydrolase; Nuclease; Reference proteome.
FT   CHAIN           1..180
FT                   /note="Oligoribonuclease"
FT                   /id="PRO_1000004281"
FT   DOMAIN          7..170
FT                   /note="Exonuclease"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00045"
FT   ACT_SITE        128
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00045"
SQ   SEQUENCE   180 AA;  20964 MW;  FD85FCFC1CAEA2EA CRC64;
     MNKKTNLIWI DLEMTGLIPE KDVIIEIATI VTNVQLHIIA QGPSLVIHQN DEILSNMDQW
     NTEHHTSSGL LRRVRESSLS CKQAEAQTLE FLKKYVHTGA SPMCGNTICQ DRRFLYNYMP
     TLERFFHYRH IDVSTLKELV IRWKPNAKMI FEKDSAHLAL SDIQDSIDEL KHYRNVFINV