ID   ORN_ARATH               Reviewed;         222 AA.
AC   Q9ZVE0; Q8VZL2;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 2.
DT   03-AUG-2022, entry version 126.
DE   RecName: Full=Oligoribonuclease;
DE            EC=3.1.15.-;
GN   OrderedLocusNames=At2g26970; ORFNames=T20P8.2;
OS   Arabidopsis thaliana (Mouse-ear cress).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; malvids; Brassicales; Brassicaceae; Camelineae; Arabidopsis.
OX   NCBI_TaxID=3702;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Columbia;
RX   PubMed=10617197; DOI=10.1038/45471;
RA   Lin X., Kaul S., Rounsley S.D., Shea T.P., Benito M.-I., Town C.D.,
RA   Fujii C.Y., Mason T.M., Bowman C.L., Barnstead M.E., Feldblyum T.V.,
RA   Buell C.R., Ketchum K.A., Lee J.J., Ronning C.M., Koo H.L., Moffat K.S.,
RA   Cronin L.A., Shen M., Pai G., Van Aken S., Umayam L., Tallon L.J.,
RA   Gill J.E., Adams M.D., Carrera A.J., Creasy T.H., Goodman H.M.,
RA   Somerville C.R., Copenhaver G.P., Preuss D., Nierman W.C., White O.,
RA   Eisen J.A., Salzberg S.L., Fraser C.M., Venter J.C.;
RT   "Sequence and analysis of chromosome 2 of the plant Arabidopsis thaliana.";
RL   Nature 402:761-768(1999).
RN   [2]
RP   GENOME REANNOTATION.
RC   STRAIN=cv. Columbia;
RX   PubMed=27862469; DOI=10.1111/tpj.13415;
RA   Cheng C.Y., Krishnakumar V., Chan A.P., Thibaud-Nissen F., Schobel S.,
RA   Town C.D.;
RT   "Araport11: a complete reannotation of the Arabidopsis thaliana reference
RT   genome.";
RL   Plant J. 89:789-804(2017).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   STRAIN=cv. Columbia;
RX   PubMed=14593172; DOI=10.1126/science.1088305;
RA   Yamada K., Lim J., Dale J.M., Chen H., Shinn P., Palm C.J., Southwick A.M.,
RA   Wu H.C., Kim C.J., Nguyen M., Pham P.K., Cheuk R.F., Karlin-Newmann G.,
RA   Liu S.X., Lam B., Sakano H., Wu T., Yu G., Miranda M., Quach H.L.,
RA   Tripp M., Chang C.H., Lee J.M., Toriumi M.J., Chan M.M., Tang C.C.,
RA   Onodera C.S., Deng J.M., Akiyama K., Ansari Y., Arakawa T., Banh J.,
RA   Banno F., Bowser L., Brooks S.Y., Carninci P., Chao Q., Choy N., Enju A.,
RA   Goldsmith A.D., Gurjal M., Hansen N.F., Hayashizaki Y., Johnson-Hopson C.,
RA   Hsuan V.W., Iida K., Karnes M., Khan S., Koesema E., Ishida J., Jiang P.X.,
RA   Jones T., Kawai J., Kamiya A., Meyers C., Nakajima M., Narusaka M.,
RA   Seki M., Sakurai T., Satou M., Tamse R., Vaysberg M., Wallender E.K.,
RA   Wong C., Yamamura Y., Yuan S., Shinozaki K., Davis R.W., Theologis A.,
RA   Ecker J.R.;
RT   "Empirical analysis of transcriptional activity in the Arabidopsis
RT   genome.";
RL   Science 302:842-846(2003).
CC   -!- FUNCTION: 3'-to-5' exoribonuclease specific for small
CC       oligoribonucleotides. {ECO:0000250}.
CC   -!- ALTERNATIVE PRODUCTS:
CC       Event=Alternative splicing; Named isoforms=1;
CC         Comment=A number of isoforms are produced. According to EST
CC         sequences.;
CC       Name=1;
CC         IsoId=Q9ZVE0-1; Sequence=Displayed;
CC   -!- SIMILARITY: Belongs to the oligoribonuclease family. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAC77855.1; Type=Erroneous gene model prediction; Evidence={ECO:0000305};
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DR   EMBL; AC005623; AAC77855.1; ALT_SEQ; Genomic_DNA.
DR   EMBL; CP002685; AEC07912.1; -; Genomic_DNA.
DR   EMBL; AY064031; AAL36387.1; -; mRNA.
DR   EMBL; BT001963; AAN71962.1; -; mRNA.
DR   PIR; B84667; B84667.
DR   RefSeq; NP_850090.1; NM_179759.3. [Q9ZVE0-1]
DR   AlphaFoldDB; Q9ZVE0; -.
DR   SMR; Q9ZVE0; -.
DR   STRING; 3702.AT2G26970.1; -.
DR   PaxDb; Q9ZVE0; -.
DR   PRIDE; Q9ZVE0; -.
DR   ProteomicsDB; 248823; -. [Q9ZVE0-1]
DR   EnsemblPlants; AT2G26970.1; AT2G26970.1; AT2G26970. [Q9ZVE0-1]
DR   GeneID; 817238; -.
DR   Gramene; AT2G26970.1; AT2G26970.1; AT2G26970. [Q9ZVE0-1]
DR   KEGG; ath:AT2G26970; -.
DR   Araport; AT2G26970; -.
DR   TAIR; locus:2059263; AT2G26970.
DR   eggNOG; KOG3242; Eukaryota.
DR   InParanoid; Q9ZVE0; -.
DR   OrthoDB; 1079953at2759; -.
DR   PhylomeDB; Q9ZVE0; -.
DR   PRO; PR:Q9ZVE0; -.
DR   Proteomes; UP000006548; Chromosome 2.
DR   ExpressionAtlas; Q9ZVE0; baseline and differential.
DR   Genevisible; Q9ZVE0; AT.
DR   GO; GO:0005739; C:mitochondrion; IBA:GO_Central.
DR   GO; GO:0000175; F:3'-5'-exoribonuclease activity; IBA:GO_Central.
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   2: Evidence at transcript level;
KW   Alternative splicing; Exonuclease; Hydrolase; Nuclease; Reference proteome.
FT   CHAIN           1..222
FT                   /note="Oligoribonuclease"
FT                   /id="PRO_0000111092"
FT   DOMAIN          46..210
FT                   /note="Exonuclease"
FT   REGION          19..38
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        19..33
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        167
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   222 AA;  24932 MW;  54F8C62C3E64F21F CRC64;
     MNKLSNAFSV LAFADEDAPM ASSSSTGKQE ESVNGSLEDG DYKQPLVWID LEMTGLNVEV
     DRILEIACII TNGDLTQSVE GPDLVVRQTK DCLDKMDDWC QTHHGASGLT KKVLLSAITE
     REAEQKVIEF VKKHVGSGNP LLAGNSVYVD FLFLKKYMPE LAALFPHILV DVSSVKALCA
     RWFPIERRKA PAKKNNHRAM DDIRESIKEL KYYKKTIFKA RR