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Database: UniProt
Entry: A0A081PGJ7_9SPHI
LinkDB: A0A081PGJ7_9SPHI
Original site: A0A081PGJ7_9SPHI 
ID   A0A081PGJ7_9SPHI        Unreviewed;       242 AA.
AC   A0A081PGJ7;
DT   29-OCT-2014, integrated into UniProtKB/TrEMBL.
DT   29-OCT-2014, sequence version 1.
DT   24-JAN-2024, entry version 39.
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=N180_06160 {ECO:0000313|EMBL:KEQ29820.1};
OS   Pedobacter antarcticus 4BY.
OC   Bacteria; Bacteroidota; Sphingobacteriia; Sphingobacteriales;
OC   Sphingobacteriaceae; Pedobacter.
OX   NCBI_TaxID=1358423 {ECO:0000313|EMBL:KEQ29820.1, ECO:0000313|Proteomes:UP000028007};
RN   [1] {ECO:0000313|EMBL:KEQ29820.1, ECO:0000313|Proteomes:UP000028007}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=4BY {ECO:0000313|EMBL:KEQ29820.1,
RC   ECO:0000313|Proteomes:UP000028007};
RA   Shivaji S., Ray M.K., Rao N.S., Saiserr L., Jagannadham M.V., Kumar G.S.,
RA   Reddy G., Bhargava P.M.;
RT   "Sphingobacterium antarcticus sp. nov. a Psychrotrophic Bacterium from the
RT   Soils of Schirmacher Oasis, Antarctica.";
RL   Int. J. Syst. Bacteriol. 42:102-106(1992).
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:KEQ29820.1}.
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DR   EMBL; JNFF01000062; KEQ29820.1; -; Genomic_DNA.
DR   RefSeq; WP_051759916.1; NZ_JNFF01000062.1.
DR   AlphaFoldDB; A0A081PGJ7; -.
DR   eggNOG; COG0571; Bacteria.
DR   OrthoDB; 9805026at2; -.
DR   Proteomes; UP000028007; 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:UP000028007};
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          18..146
FT                   /note="RNase III"
FT                   /evidence="ECO:0000259|PROSITE:PS50142"
FT   DOMAIN          174..242
FT                   /note="DRBM"
FT                   /evidence="ECO:0000259|PROSITE:PS50137"
FT   ACT_SITE        64
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00104"
FT   ACT_SITE        135
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00104"
FT   BINDING         60
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00104"
FT   BINDING         132
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00104"
FT   BINDING         135
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00104"
SQ   SEQUENCE   242 AA;  27802 MW;  614C14C7FA826906 CRC64;
     MPLFDLYKLY LSPDKDFVKK LKNMLGFVPG NTTLYKMAFR HRSVAKVLKN GSRSSNERLE
     FLGDAILGSV IAELLFKHYP YKEEGFLTEM RSKIVNRANL NQLARKMGFD QLIVFDQRMV
     NMQTKHHSML GDAFEALIGA VYLDKGYNFT KELLLKRIVK PYIDIHTLEQ TETNFKSKLI
     EWCQRHAKDI TFEIAENSEG ESPKLFTIQA MIDGESFGIG RDYNKKNAEK QAAEKACAAL
     DI
//
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