RNC_MYXXD
ID RNC_MYXXD Reviewed; 260 AA.
AC Q1D5X9;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 11-JUL-2006, sequence version 1.
DT 03-AUG-2022, entry version 103.
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=MXAN_3762;
OS Myxococcus xanthus (strain DK1622).
OC Bacteria; Proteobacteria; Deltaproteobacteria; Myxococcales;
OC Cystobacterineae; Myxococcaceae; Myxococcus.
OX NCBI_TaxID=246197;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DK1622;
RX PubMed=17015832; DOI=10.1073/pnas.0607335103;
RA Goldman B.S., Nierman W.C., Kaiser D., Slater S.C., Durkin A.S., Eisen J.,
RA Ronning C.M., Barbazuk W.B., Blanchard M., Field C., Halling C., Hinkle G.,
RA Iartchuk O., Kim H.S., Mackenzie C., Madupu R., Miller N., Shvartsbeyn A.,
RA Sullivan S.A., Vaudin M., Wiegand R., Kaplan H.B.;
RT "Evolution of sensory complexity recorded in a myxobacterial genome.";
RL Proc. Natl. Acad. Sci. U.S.A. 103:15200-15205(2006).
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;
CC Evidence={ECO:0000255|HAMAP-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}.
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DR EMBL; CP000113; ABF91367.1; -; Genomic_DNA.
DR AlphaFoldDB; Q1D5X9; -.
DR SMR; Q1D5X9; -.
DR STRING; 246197.MXAN_3762; -.
DR EnsemblBacteria; ABF91367; ABF91367; MXAN_3762.
DR KEGG; mxa:MXAN_3762; -.
DR eggNOG; COG0571; Bacteria.
DR HOGENOM; CLU_000907_1_3_7; -.
DR OMA; LTHKSCK; -.
DR Proteomes; UP000002402; 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; cd00593; RIBOc; 1.
DR Gene3D; 1.10.1520.10; -; 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 PANTHER; PTHR11207; PTHR11207; 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; SSF69065; SSF69065; 1.
DR TIGRFAMs; TIGR02191; RNaseIII; 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; Endonuclease; Hydrolase; Magnesium; Metal-binding;
KW mRNA processing; Nuclease; Reference proteome; RNA-binding;
KW rRNA processing; rRNA-binding; tRNA processing.
FT CHAIN 1..260
FT /note="Ribonuclease 3"
FT /id="PRO_1000094120"
FT DOMAIN 16..145
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..260
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 62
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104"
FT ACT_SITE 134
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104"
FT BINDING 58
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104"
FT BINDING 131
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104"
FT BINDING 134
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00104"
SQ SEQUENCE 260 AA; 28550 MW; BCDAA56B179E54B4 CRC64;
MMRLSGADKM SPSERVQLLE SRLGLSFSRM ETALEALTHK TYVNETRDKE LKDNQRLEFL
GDSVVNLAVS HRLMARCPGL PEGDLTKMRA RVVNEDGLAR VARTIPLGDL LLLGRGELMS
GGREKNSVLA DALEAVFGAV FLTSGLDAAV TLVDRYFADL LDEVSSGQGR LDYKTLLQEM
AHERLKLQPR YRVVSESGPE HSKVFEVELM LGETAFARAT GRSKKEAEQS AAQATLEKLR
EDAACPTSPP PGTPRHDTPA
