ID A0A0J6YVJ6_9BACT Unreviewed; 237 AA.
AC A0A0J6YVJ6;
DT 14-OCT-2015, integrated into UniProtKB/TrEMBL.
DT 14-OCT-2015, sequence version 1.
DT 24-JAN-2024, entry version 36.
DE RecName: Full=Ribonuclease 3 {ECO:0000256|HAMAP-Rule:MF_00104};
DE EC=3.1.26.3 {ECO:0000256|HAMAP-Rule:MF_00104};
DE AltName: Full=Ribonuclease III {ECO:0000256|HAMAP-Rule:MF_00104};
DE Short=RNase III {ECO:0000256|HAMAP-Rule:MF_00104};
GN Name=rnc {ECO:0000256|HAMAP-Rule:MF_00104};
GN ORFNames=UZ36_00395 {ECO:0000313|EMBL:KMP12561.1};
OS Candidatus Nitromaritima sp. SCGC AAA799-C22.
OC Bacteria; Nitrospinae/Tectomicrobia group; Nitrospinota; Nitrospinia;
OC Nitrospinales; Nitrospinaceae; Candidatus Nitromaritima.
OX NCBI_TaxID=1628279 {ECO:0000313|EMBL:KMP12561.1, ECO:0000313|Proteomes:UP000036407};
RN [1] {ECO:0000313|EMBL:KMP12561.1, ECO:0000313|Proteomes:UP000036407}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SCGC_AAA799_C22 {ECO:0000313|EMBL:KMP12561.1};
RA Ngugi D.K., Blom J., Stepanauskas R., Stingl U.;
RT "Diversification and niche adaptations of Nitrospina-like bacteria in the
RT poly-extreme interfaces of the Atlantis II Deep brine from the Red Sea.";
RL Submitted (FEB-2015) to the EMBL/GenBank/DDBJ databases.
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:0000256|HAMAP-
CC Rule:MF_00104}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Endonucleolytic cleavage to 5'-phosphomonoester.; EC=3.1.26.3;
CC Evidence={ECO:0000256|ARBA:ARBA00000109, ECO:0000256|HAMAP-
CC Rule:MF_00104};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946,
CC ECO:0000256|HAMAP-Rule:MF_00104};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00104}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00104}.
CC -!- SIMILARITY: Belongs to the ribonuclease III family.
CC {ECO:0000256|ARBA:ARBA00010183}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KMP12561.1}.
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DR EMBL; JZKJ01000001; KMP12561.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0J6YVJ6; -.
DR PATRIC; fig|1628279.3.peg.83; -.
DR Proteomes; UP000036407; Unassembled WGS sequence.
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; PTHR14950; DICER-RELATED; 1.
DR PANTHER; PTHR14950:SF37; ENDORIBONUCLEASE DICER; 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 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00104};
KW Endonuclease {ECO:0000256|HAMAP-Rule:MF_00104};
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_00104};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_00104};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00104};
KW mRNA processing {ECO:0000256|ARBA:ARBA00022664, ECO:0000256|HAMAP-
KW Rule:MF_00104}; Nuclease {ECO:0000256|HAMAP-Rule:MF_00104};
KW Reference proteome {ECO:0000313|Proteomes:UP000036407};
KW RNA-binding {ECO:0000256|ARBA:ARBA00022884, ECO:0000256|HAMAP-
KW Rule:MF_00104}; rRNA processing {ECO:0000256|HAMAP-Rule:MF_00104};
KW rRNA-binding {ECO:0000256|HAMAP-Rule:MF_00104};
KW tRNA processing {ECO:0000256|HAMAP-Rule:MF_00104}.
FT DOMAIN 10..138
FT /note="RNase III"
FT /evidence="ECO:0000259|PROSITE:PS50142"
FT DOMAIN 165..234
FT /note="DRBM"
FT /evidence="ECO:0000259|PROSITE:PS50137"
FT ACT_SITE 55
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00104"
FT ACT_SITE 127
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00104"
FT BINDING 51
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00104"
FT BINDING 124
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00104"
FT BINDING 127
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00104"
SQ SEQUENCE 237 AA; 26552 MW; C8771F05EF5FD2E5 CRC64;
MTLEKRFKEL GPLQKTLKYT FNDAKLLNKA LTHKSYANEI DLPVKHNERF EFLGDSVLDL
IISDYMVRQY GDLAEGALSK IRAAVVNEGC LAELAGKIHL GDYLLLGKGE NLSGGRSKPS
ILANAYEALV GALFFDSDLD TVSKVFMPTL IGEIEKYKDT WKFRDYKSDL QEYTQEKQSC
IPVYQVVAEI GPDHDKRFEV TVAVCDQVQG NGNGRSKKEA EQSAAKMALE KFLSNKK
//