ID A0A023X0F0_9ACTN Unreviewed; 325 AA.
AC A0A023X0F0;
DT 09-JUL-2014, integrated into UniProtKB/TrEMBL.
DT 09-JUL-2014, sequence version 1.
DT 27-MAR-2024, entry version 32.
DE RecName: Full=Ribonuclease {ECO:0000256|RuleBase:RU003515};
DE EC=3.1.26.4 {ECO:0000256|RuleBase:RU003515};
GN ORFNames=RradSPS_0669 {ECO:0000313|EMBL:AHY45952.1};
OS Rubrobacter radiotolerans.
OC Bacteria; Actinomycetota; Rubrobacteria; Rubrobacterales; Rubrobacteraceae;
OC Rubrobacter.
OX NCBI_TaxID=42256 {ECO:0000313|EMBL:AHY45952.1, ECO:0000313|Proteomes:UP000025229};
RN [1] {ECO:0000313|EMBL:AHY45952.1, ECO:0000313|Proteomes:UP000025229}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=RSPS-4 {ECO:0000313|EMBL:AHY45952.1,
RC ECO:0000313|Proteomes:UP000025229};
RA Egas C.C., Barroso C.C., Froufe H.J.C., Pacheco J.J., Albuquerque L.L.,
RA da Costa M.M.S.;
RT "Complete genome sequence of the Radio-Resistant Rubrobacter radiotolerans
RT RSPS-4.";
RL Submitted (MAR-2014) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Endonuclease that specifically degrades the RNA of RNA-DNA
CC hybrids. {ECO:0000256|ARBA:ARBA00004065,
CC ECO:0000256|RuleBase:RU003515}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Endonucleolytic cleavage to 5'-phosphomonoester.; EC=3.1.26.4;
CC Evidence={ECO:0000256|ARBA:ARBA00000077, ECO:0000256|PROSITE-
CC ProRule:PRU01319, ECO:0000256|RuleBase:RU003515};
CC -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|PROSITE-ProRule:PRU01319};
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|PROSITE-ProRule:PRU01319};
CC Note=Manganese or magnesium. Binds 1 divalent metal ion per monomer in
CC the absence of substrate. May bind a second metal ion after substrate
CC binding. {ECO:0000256|PROSITE-ProRule:PRU01319};
CC -!- SIMILARITY: Belongs to the RNase HII family. RnhC subfamily.
CC {ECO:0000256|ARBA:ARBA00008378}.
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DR EMBL; CP007514; AHY45952.1; -; Genomic_DNA.
DR RefSeq; WP_051589303.1; NZ_CP007514.1.
DR AlphaFoldDB; A0A023X0F0; -.
DR STRING; 42256.RradSPS_0669; -.
DR KEGG; rrd:RradSPS_0669; -.
DR PATRIC; fig|42256.3.peg.680; -.
DR eggNOG; COG1039; Bacteria.
DR HOGENOM; CLU_059546_3_0_11; -.
DR OrthoDB; 9777935at2; -.
DR Proteomes; UP000025229; Chromosome.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0003723; F:RNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004523; F:RNA-DNA hybrid ribonuclease activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006401; P:RNA catabolic process; IEA:UniProtKB-UniRule.
DR CDD; cd06590; RNase_HII_bacteria_HIII_like; 1.
DR Gene3D; 3.30.420.10; Ribonuclease H-like superfamily/Ribonuclease H; 1.
DR InterPro; IPR001352; RNase_HII/HIII.
DR InterPro; IPR024567; RNase_HII/HIII_dom.
DR InterPro; IPR012337; RNaseH-like_sf.
DR InterPro; IPR036397; RNaseH_sf.
DR PANTHER; PTHR10954; RIBONUCLEASE H2 SUBUNIT A; 1.
DR PANTHER; PTHR10954:SF25; RIBONUCLEASE HIII; 1.
DR Pfam; PF01351; RNase_HII; 1.
DR SUPFAM; SSF53098; Ribonuclease H-like; 1.
DR PROSITE; PS51975; RNASE_H_2; 1.
PE 3: Inferred from homology;
KW Endonuclease {ECO:0000256|ARBA:ARBA00022759, ECO:0000256|PROSITE-
KW ProRule:PRU01319};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|PROSITE-
KW ProRule:PRU01319};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|PROSITE-
KW ProRule:PRU01319};
KW Nuclease {ECO:0000256|ARBA:ARBA00022722, ECO:0000256|PROSITE-
KW ProRule:PRU01319}; Reference proteome {ECO:0000313|Proteomes:UP000025229}.
FT DOMAIN 110..322
FT /note="RNase H type-2"
FT /evidence="ECO:0000259|PROSITE:PS51975"
FT REGION 72..119
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 90..104
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 116
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01319"
FT BINDING 117
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01319"
FT BINDING 221
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01319"
SQ SEQUENCE 325 AA; 34811 MW; 478027943E3968AA CRC64;
MNGTGEPYTI PLDLRERLEA AGAEVSGARP IDHGTQYVVV RGSEKATLNV FSTGRVSEGG
KESSLLAVLR DYRTSRPAAK RGKGRGTGGS SRSRGGSGGR TENSPVPSPV PRVGTDEAGK
GEYLGPLVVA GVRVTGPEAD GALRSLGVRD SKDLSLTETR RLAREVTELL GEENLRVVSL
APREYERRRE AAGSNVNRLL GELNAEIIAE LQDEVEVAVV DAFGVKAREY VEASGAVRVR
VEARPRAEDD AAVAAASILA RARYLEEMDR LSEKVGFELP RGSTHVLPAA RRVYLEGGEE
RLRDVAKVHF SITDKVTDGA AGDER
//