ID   ORN_BUCBP               Reviewed;         160 AA.
AC   Q89A34;
DT   13-APR-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   25-MAY-2022, entry version 96.
DE   RecName: Full=Oligoribonuclease;
DE            EC=3.1.15.-;
GN   Name=orn; OrderedLocusNames=bbp_519;
OS   Buchnera aphidicola subsp. Baizongia pistaciae (strain Bp).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Buchnera.
OX   NCBI_TaxID=224915;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Bp;
RX   PubMed=12522265; DOI=10.1073/pnas.0235981100;
RA   van Ham R.C.H.J., Kamerbeek J., Palacios C., Rausell C., Abascal F.,
RA   Bastolla U., Fernandez J.M., Jimenez L., Postigo M., Silva F.J.,
RA   Tamames J., Viguera E., Latorre A., Valencia A., Moran F., Moya A.;
RT   "Reductive genome evolution in Buchnera aphidicola.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:581-586(2003).
CC   -!- FUNCTION: 3'-to-5' exoribonuclease specific for small
CC       oligoribonucleotides. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the oligoribonuclease family. {ECO:0000305}.
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DR   EMBL; AE016826; AAO27222.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q89A34; -.
DR   SMR; Q89A34; -.
DR   STRING; 224915.bbp_519; -.
DR   EnsemblBacteria; AAO27222; AAO27222; bbp_519.
DR   KEGG; bab:bbp_519; -.
DR   eggNOG; COG1949; Bacteria.
DR   HOGENOM; CLU_064761_2_0_6; -.
DR   OMA; AFFHYRN; -.
DR   Proteomes; UP000000601; 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   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..160
FT                   /note="Oligoribonuclease"
FT                   /id="PRO_0000111024"
FT   DOMAIN          8..158
FT                   /note="Exonuclease"
FT   ACT_SITE        129
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   160 AA;  18947 MW;  7565CDB004400740 CRC64;
     MNTDIKNLIW IDLEMTGLNP NIHKIIEIAT LITDKNLKIL SYGPVIAIYQ NNHQLSFMDP
     WNNKMHTKNG LITRIKNSLY TEHLAEIKTI TFLKKWVPKN TSPMCGNSIS TDRQFLFKYM
     PTLEKYFHYR QIDVSTIKEL ALRWKPKIYN KLKKKTLIKH