ID RNC_FUSNN Reviewed; 234 AA. AC Q8RGX3; DT 30-AUG-2002, integrated into UniProtKB/Swiss-Prot. DT 01-JUN-2002, sequence version 1. DT 27-MAR-2024, entry version 116. DE RecName: Full=Ribonuclease 3 {ECO:0000255|HAMAP-Rule:MF_00104}; DE EC=3.1.26.3 {ECO:0000255|HAMAP-Rule:MF_00104}; DE AltName: Full=Ribonuclease III {ECO:0000255|HAMAP-Rule:MF_00104}; DE Short=RNase III {ECO:0000255|HAMAP-Rule:MF_00104}; GN Name=rnc {ECO:0000255|HAMAP-Rule:MF_00104}; OrderedLocusNames=FN0152; OS Fusobacterium nucleatum subsp. nucleatum (strain ATCC 25586 / DSM 15643 / OS BCRC 10681 / CIP 101130 / JCM 8532 / KCTC 2640 / LMG 13131 / VPI 4355). OC Bacteria; Fusobacteriota; Fusobacteriia; Fusobacteriales; Fusobacteriaceae; OC Fusobacterium. OX NCBI_TaxID=190304; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC 25586 / DSM 15643 / BCRC 10681 / CIP 101130 / JCM 8532 / RC KCTC 2640 / LMG 13131 / VPI 4355; RX PubMed=11889109; DOI=10.1128/jb.184.7.2005-2018.2002; RA Kapatral V., Anderson I., Ivanova N., Reznik G., Los T., Lykidis A., RA Bhattacharyya A., Bartman A., Gardner W., Grechkin G., Zhu L., Vasieva O., RA Chu L., Kogan Y., Chaga O., Goltsman E., Bernal A., Larsen N., D'Souza M., RA Walunas T., Pusch G., Haselkorn R., Fonstein M., Kyrpides N.C., RA Overbeek R.; RT "Genome sequence and analysis of the oral bacterium Fusobacterium nucleatum RT strain ATCC 25586."; RL J. Bacteriol. 184:2005-2018(2002). CC -!- FUNCTION: Digests double-stranded RNA. Involved in the processing of CC primary rRNA transcript to yield the immediate precursors to the large CC and small rRNAs (23S and 16S). Processes some mRNAs, and tRNAs when CC they are encoded in the rRNA operon. Processes pre-crRNA and tracrRNA CC of type II CRISPR loci if present in the organism. {ECO:0000255|HAMAP- CC Rule:MF_00104}. CC -!- CATALYTIC ACTIVITY: CC Reaction=Endonucleolytic cleavage to 5'-phosphomonoester.; EC=3.1.26.3; CC Evidence={ECO:0000255|HAMAP-Rule:MF_00104}; CC -!- COFACTOR: CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000255|HAMAP- CC Rule:MF_00104}; CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00104}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00104}. CC -!- SIMILARITY: Belongs to the ribonuclease III family. {ECO:0000255|HAMAP- CC Rule:MF_00104}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AE009951; AAL94358.1; -; Genomic_DNA. DR RefSeq; NP_603059.1; NC_003454.1. DR AlphaFoldDB; Q8RGX3; -. DR SMR; Q8RGX3; -. DR STRING; 190304.FN0152; -. DR PaxDb; 190304-FN0152; -. DR EnsemblBacteria; AAL94358; AAL94358; FN0152. DR KEGG; fnu:FN0152; -. DR PATRIC; fig|190304.8.peg.732; -. DR eggNOG; COG0571; Bacteria. DR HOGENOM; CLU_000907_1_3_0; -. DR InParanoid; Q8RGX3; -. DR BioCyc; FNUC190304:G1FZS-755-MONOMER; -. DR Proteomes; UP000002521; Chromosome. DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell. DR GO; GO:0003725; F:double-stranded RNA binding; IBA:GO_Central. DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW. DR GO; GO:0004525; F:ribonuclease III activity; IBA:GO_Central. DR GO; GO:0019843; F:rRNA binding; IEA:UniProtKB-KW. DR GO; GO:0006397; P:mRNA processing; IEA:UniProtKB-UniRule. DR GO; GO:0010468; P:regulation of gene expression; IBA:GO_Central. DR GO; GO:0006396; P:RNA processing; IBA:GO_Central. DR GO; GO:0006364; P:rRNA processing; IEA:UniProtKB-UniRule. DR GO; GO:0008033; P:tRNA processing; IEA:UniProtKB-KW. DR CDD; cd10845; DSRM_RNAse_III_family; 1. DR CDD; cd00593; RIBOc; 1. DR Gene3D; 3.30.160.20; -; 1. DR Gene3D; 1.10.1520.10; Ribonuclease III domain; 1. DR HAMAP; MF_00104; RNase_III; 1. DR InterPro; IPR014720; dsRBD_dom. DR InterPro; IPR011907; RNase_III. DR InterPro; IPR000999; RNase_III_dom. DR InterPro; IPR036389; RNase_III_sf. DR NCBIfam; TIGR02191; RNaseIII; 1. DR PANTHER; PTHR11207:SF0; RIBONUCLEASE 3; 1. DR PANTHER; PTHR11207; RIBONUCLEASE III; 1. DR Pfam; PF00035; dsrm; 1. DR Pfam; PF14622; Ribonucleas_3_3; 1. DR SMART; SM00358; DSRM; 1. DR SMART; SM00535; RIBOc; 1. DR SUPFAM; SSF54768; dsRNA-binding domain-like; 1. DR SUPFAM; SSF69065; RNase III domain-like; 1. DR PROSITE; PS50137; DS_RBD; 1. DR PROSITE; PS50142; RNASE_3_2; 1. PE 3: Inferred from homology; KW Cytoplasm; Endonuclease; Hydrolase; Magnesium; Metal-binding; KW mRNA processing; Nuclease; Reference proteome; RNA-binding; KW rRNA processing; rRNA-binding; tRNA processing. FT CHAIN 1..234 FT /note="Ribonuclease 3" FT /id="PRO_0000180398" FT DOMAIN 4..133 FT /note="RNase III" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104" FT DOMAIN 160..228 FT /note="DRBM" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104" FT ACT_SITE 50 FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104" FT ACT_SITE 122 FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104" FT BINDING 46 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104" FT BINDING 119 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104" FT BINDING 122 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104" SQ SEQUENCE 234 AA; 26756 MW; 083C562A05B4661F CRC64; MKNLLDLEHK LNYYFNDRNL LKNALLHKSL GNERKEYKNQ TNERLELLGD AVLDLIVAEY LYKSYKNASE GPIAKLKAMI VSEPILAKIS RQIGVGKFLM LSRGEVMSGG RNRESILADS FEAILGAVYI DSNLDEARVF ALSHIKQYID HIEENEDILD FKSILQEYVQ KEFKTVPTYE LVAERGPDHM KEFEIQVIVG NYKEKAVARN KKKAEQLSAK ALCIKLGVKY NEAL //