ID I7IZM8_9LACO Unreviewed; 147 AA.
AC I7IZM8;
DT 03-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 03-OCT-2012, sequence version 1.
DT 24-JAN-2024, entry version 42.
DE RecName: Full=Mini-ribonuclease 3 {ECO:0000256|HAMAP-Rule:MF_01468};
DE Short=Mini-3 {ECO:0000256|HAMAP-Rule:MF_01468};
DE Short=Mini-RNase 3 {ECO:0000256|HAMAP-Rule:MF_01468};
DE EC=3.1.26.- {ECO:0000256|HAMAP-Rule:MF_01468};
DE AltName: Full=Mini-RNase III {ECO:0000256|HAMAP-Rule:MF_01468};
DE Short=Mini-III {ECO:0000256|HAMAP-Rule:MF_01468};
GN Name=mrnC {ECO:0000256|HAMAP-Rule:MF_01468};
GN ORFNames=BN53_03785 {ECO:0000313|EMBL:CCI85207.1};
OS Lactobacillus pasteurii DSM 23907 = CRBIP 24.76.
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Lactobacillaceae;
OC Lactobacillus.
OX NCBI_TaxID=1423790 {ECO:0000313|EMBL:CCI85207.1, ECO:0000313|Proteomes:UP000009311};
RN [1] {ECO:0000313|EMBL:CCI85207.1, ECO:0000313|Proteomes:UP000009311}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CRBIP 24.76T {ECO:0000313|Proteomes:UP000009311};
RA Cousin S., Bouchier C., Loux V., Ma L., Creno S., Bizet C., Clermont D.;
RT "Draft Genome Sequence of Lactobacillus pasteurii CRBIP 24.76T.";
RL Submitted (JUN-2012) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Involved in correct processing of both the 5' and 3' ends of
CC 23S rRNA precursor. Processes 30S rRNA precursor transcript even in
CC absence of ribonuclease 3 (Rnc); Rnc processes 30S rRNA into smaller
CC rRNA precursors. {ECO:0000256|HAMAP-Rule:MF_01468}.
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01468};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01468}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01468}.
CC -!- SIMILARITY: Belongs to the MrnC RNase family. {ECO:0000256|HAMAP-
CC Rule:MF_01468}.
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:CCI85207.1}.
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DR EMBL; CAKD01000020; CCI85207.1; -; Genomic_DNA.
DR RefSeq; WP_009559755.1; NZ_CAKD01000020.1.
DR AlphaFoldDB; I7IZM8; -.
DR STRING; 1423790.BN53_03785; -.
DR PATRIC; fig|1423790.3.peg.1230; -.
DR eggNOG; COG1939; Bacteria.
DR OrthoDB; 46571at2; -.
DR Proteomes; UP000009311; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004525; F:ribonuclease III activity; IEA:InterPro.
DR GO; GO:0019843; F:rRNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0006364; P:rRNA processing; IEA:UniProtKB-UniRule.
DR Gene3D; 1.10.1520.10; Ribonuclease III domain; 1.
DR HAMAP; MF_01468; RNase_Mini_III; 1.
DR InterPro; IPR008226; Mini3_fam.
DR InterPro; IPR000999; RNase_III_dom.
DR InterPro; IPR036389; RNase_III_sf.
DR PANTHER; PTHR34276; MINI-RIBONUCLEASE 3; 1.
DR PANTHER; PTHR34276:SF1; MINI-RIBONUCLEASE 3; 1.
DR Pfam; PF00636; Ribonuclease_3; 1.
DR PIRSF; PIRSF005520; UCP005520; 1.
DR SMART; SM00535; RIBOc; 1.
DR SUPFAM; SSF69065; RNase III domain-like; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01468};
KW Endonuclease {ECO:0000256|HAMAP-Rule:MF_01468};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_01468};
KW Magnesium {ECO:0000256|HAMAP-Rule:MF_01468};
KW Nuclease {ECO:0000256|HAMAP-Rule:MF_01468};
KW Reference proteome {ECO:0000313|Proteomes:UP000009311};
KW Ribosome biogenesis {ECO:0000256|HAMAP-Rule:MF_01468};
KW RNA-binding {ECO:0000256|HAMAP-Rule:MF_01468};
KW rRNA processing {ECO:0000256|ARBA:ARBA00022552, ECO:0000256|HAMAP-
KW Rule:MF_01468}; rRNA-binding {ECO:0000256|HAMAP-Rule:MF_01468}.
FT DOMAIN 5..142
FT /note="RNase III"
FT /evidence="ECO:0000259|SMART:SM00535"
FT ACT_SITE 27
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01468"
SQ SEQUENCE 147 AA; 16593 MW; A781842C8F296F77 CRC64;
MNKAKVLVEQ TVNPNTLSGQ TLAYIGDAVY EIYIRRHLLR GGIVKPQVLQ REATYYVSAK
AQAALITKLQ DEQLLTEEET AAFKRGRNAK THTKAKNTSL KTYQLSTGFE AMIGYLDLAD
EKDRVEELCL WCIENVENGG IDKYDFS
//