ID RNC_STAAN Reviewed; 243 AA. AC P66668; Q99UN7; DT 11-OCT-2004, integrated into UniProtKB/Swiss-Prot. DT 11-OCT-2004, sequence version 1. DT 27-MAR-2024, entry version 109. 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=SA1076; OS Staphylococcus aureus (strain N315). OC Bacteria; Bacillota; Bacilli; Bacillales; Staphylococcaceae; OC Staphylococcus. OX NCBI_TaxID=158879; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=N315; RX PubMed=11418146; DOI=10.1016/s0140-6736(00)04403-2; RA Kuroda M., Ohta T., Uchiyama I., Baba T., Yuzawa H., Kobayashi I., Cui L., RA Oguchi A., Aoki K., Nagai Y., Lian J.-Q., Ito T., Kanamori M., RA Matsumaru H., Maruyama A., Murakami H., Hosoyama A., Mizutani-Ui Y., RA Takahashi N.K., Sawano T., Inoue R., Kaito C., Sekimizu K., Hirakawa H., RA Kuhara S., Goto S., Yabuzaki J., Kanehisa M., Yamashita A., Oshima K., RA Furuya K., Yoshino C., Shiba T., Hattori M., Ogasawara N., Hayashi H., RA Hiramatsu K.; RT "Whole genome sequencing of meticillin-resistant Staphylococcus aureus."; RL Lancet 357:1225-1240(2001). RN [2] RP IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]. RC STRAIN=N315; RA Vaezzadeh A.R., Deshusses J., Lescuyer P., Hochstrasser D.F.; RT "Shotgun proteomic analysis of total and membrane protein extracts of S. RT aureus strain N315."; RL Submitted (OCT-2007) to UniProtKB. 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; BA000018; BAB42328.1; -; Genomic_DNA. DR PIR; D89896; D89896. DR RefSeq; WP_000043237.1; NC_002745.2. DR AlphaFoldDB; P66668; -. DR SMR; P66668; -. DR EnsemblBacteria; BAB42328; BAB42328; BAB42328. DR KEGG; sau:SA1076; -. DR HOGENOM; CLU_000907_1_3_9; -. DR Proteomes; UP000000751; Chromosome. DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell. DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW. DR GO; GO:0004525; F:ribonuclease III activity; IEA:UniProtKB-UniRule. DR GO; GO:0019843; F:rRNA binding; IEA:UniProtKB-KW. DR GO; GO:0006397; P:mRNA processing; IEA:UniProtKB-UniRule. 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; PS00517; RNASE_3_1; 1. DR PROSITE; PS50142; RNASE_3_2; 1. PE 1: Evidence at protein level; KW Cytoplasm; Endonuclease; Hydrolase; Magnesium; Metal-binding; KW mRNA processing; Nuclease; RNA-binding; rRNA processing; rRNA-binding; KW tRNA processing. FT CHAIN 1..243 FT /note="Ribonuclease 3" FT /id="PRO_0000180434" FT DOMAIN 10..146 FT /note="RNase III" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104" FT DOMAIN 172..241 FT /note="DRBM" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104" FT REGION 219..243 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 219..233 FT /note="Basic and acidic residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT ACT_SITE 63 FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104" FT ACT_SITE 135 FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104" FT BINDING 59 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104" FT BINDING 132 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104" FT BINDING 135 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104" SQ SEQUENCE 243 AA; 27922 MW; 875034DEBC3455A9 CRC64; MSKQKKSEIV NRFRKRFDTK MTELGFTYQN IDLYQQAFSH SSFINDFNMN RLDHNERLEF LGDAVLELTV SRYLFDKHPN LPEGNLTKMR ATIVCEPSLV IFANKIGLNE MILLGKGEEK TGGRTRPSLI SDAFEAFIGA LYLDQGLDIV WKFAEKVIFP HVEQNELLGV VDFKTQFQEY VHQQNKGDVT YNLIKEEGPA HHRLFTSEVI LQGEAIAEGK GKTKKESEQR AAESAYKQLK QIK //