ID I0IDY7_PHYMF Unreviewed; 216 AA.
AC I0IDY7;
DT 13-JUN-2012, integrated into UniProtKB/TrEMBL.
DT 13-JUN-2012, sequence version 1.
DT 24-JAN-2024, entry version 48.
DE RecName: Full=Ribonuclease H {ECO:0000256|PIRNR:PIRNR037839};
DE EC=3.1.26.4 {ECO:0000256|PIRNR:PIRNR037839};
GN Name=rnhA {ECO:0000313|EMBL:BAM03475.1};
GN OrderedLocusNames=PSMK_13160 {ECO:0000313|EMBL:BAM03475.1};
OS Phycisphaera mikurensis (strain NBRC 102666 / KCTC 22515 / FYK2301M01).
OC Bacteria; Planctomycetota; Phycisphaerae; Phycisphaerales;
OC Phycisphaeraceae; Phycisphaera.
OX NCBI_TaxID=1142394 {ECO:0000313|EMBL:BAM03475.1, ECO:0000313|Proteomes:UP000007881};
RN [1] {ECO:0000313|EMBL:BAM03475.1, ECO:0000313|Proteomes:UP000007881}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NBRC 102666 / KCTC 22515 / FYK2301M01
RC {ECO:0000313|Proteomes:UP000007881};
RA Ankai A., Hosoyama A., Terui Y., Sekine M., Fukai R., Kato Y., Nakamura S.,
RA Yamada-Narita S., Kawakoshi A., Fukunaga Y., Yamazaki S., Fujita N.;
RT "Complete genome sequence of Phycisphaera mikurensis NBRC 102666.";
RL Submitted (FEB-2012) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Endonuclease that specifically degrades the RNA of RNA-DNA
CC hybrids. {ECO:0000256|PIRNR:PIRNR037839}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Endonucleolytic cleavage to 5'-phosphomonoester.; EC=3.1.26.4;
CC Evidence={ECO:0000256|PIRNR:PIRNR037839};
CC -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|PIRSR:PIRSR037839-1};
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|PIRSR:PIRSR037839-1};
CC Note=Binds 2 metal ions per subunit. Manganese or magnesium.
CC {ECO:0000256|PIRSR:PIRSR037839-1};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|PIRNR:PIRNR037839}.
CC -!- SIMILARITY: Belongs to the RNase H family.
CC {ECO:0000256|PIRNR:PIRNR037839}.
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DR EMBL; AP012338; BAM03475.1; -; Genomic_DNA.
DR RefSeq; WP_014436694.1; NC_017080.1.
DR AlphaFoldDB; I0IDY7; -.
DR STRING; 1142394.PSMK_13160; -.
DR GeneID; 80847734; -.
DR KEGG; phm:PSMK_13160; -.
DR eggNOG; COG3341; Bacteria.
DR HOGENOM; CLU_080985_1_0_0; -.
DR OrthoDB; 9811552at2; -.
DR Proteomes; UP000007881; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0003676; F:nucleic acid binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004523; F:RNA-DNA hybrid ribonuclease activity; IEA:UniProtKB-UniRule.
DR Gene3D; 3.30.420.10; Ribonuclease H-like superfamily/Ribonuclease H; 1.
DR Gene3D; 3.40.970.10; Ribonuclease H1, N-terminal domain; 1.
DR InterPro; IPR009027; Ribosomal_bL9/RNase_H1_N.
DR InterPro; IPR011320; RNase_H1_N.
DR InterPro; IPR037056; RNase_H1_N_sf.
DR InterPro; IPR017290; RNase_H_bac.
DR InterPro; IPR012337; RNaseH-like_sf.
DR InterPro; IPR036397; RNaseH_sf.
DR Pfam; PF01693; Cauli_VI; 1.
DR PIRSF; PIRSF037839; Ribonuclease_H; 1.
DR SUPFAM; SSF55658; L9 N-domain-like; 1.
DR SUPFAM; SSF53098; Ribonuclease H-like; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|PIRNR:PIRNR037839};
KW Endonuclease {ECO:0000256|PIRNR:PIRNR037839};
KW Hydrolase {ECO:0000256|PIRNR:PIRNR037839, ECO:0000313|EMBL:BAM03475.1};
KW Magnesium {ECO:0000256|PIRNR:PIRNR037839, ECO:0000256|PIRSR:PIRSR037839-1};
KW Manganese {ECO:0000256|PIRSR:PIRSR037839-1};
KW Metal-binding {ECO:0000256|PIRNR:PIRNR037839,
KW ECO:0000256|PIRSR:PIRSR037839-1}; Nuclease {ECO:0000256|PIRNR:PIRNR037839};
KW Reference proteome {ECO:0000313|Proteomes:UP000007881}.
FT DOMAIN 5..48
FT /note="Ribonuclease H1 N-terminal"
FT /evidence="ECO:0000259|Pfam:PF01693"
FT REGION 52..85
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 89
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR037839-1"
FT BINDING 127
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR037839-1"
FT BINDING 148
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR037839-1"
FT BINDING 211
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR037839-1"
SQ SEQUENCE 216 AA; 22792 MW; 82558D1C5265A2C6 CRC64;
MAKKKAYVVW SGRETGVFDA WAPVLAATRG FPGARQNGYA TRAQAEAAFA AGDPDAGGAA
PRTAAESAGL ASRSAAPGGR PTGPATCVDA ACDTTRWVME YRGVDLQTGE VLFAEGPFTG
ANANFGEFLA IVDALRRPGG EERTLYSDSL TARAWVRKRA LNSAFLRDGK AGSRVAARLE
DALAWLKSQP SGAKPDIRVW DTRAWGEIPA DFGRKG
//