RNH_ANAMM
ID RNH_ANAMM Reviewed; 154 AA.
AC Q5PBQ8;
DT 29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 29-APR-2008, sequence version 2.
DT 03-AUG-2022, entry version 99.
DE RecName: Full=Ribonuclease H {ECO:0000255|HAMAP-Rule:MF_00042};
DE Short=RNase H {ECO:0000255|HAMAP-Rule:MF_00042};
DE EC=3.1.26.4 {ECO:0000255|HAMAP-Rule:MF_00042};
GN Name=rnhA {ECO:0000255|HAMAP-Rule:MF_00042}; OrderedLocusNames=AM126;
OS Anaplasma marginale (strain St. Maries).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales;
OC Anaplasmataceae; Anaplasma.
OX NCBI_TaxID=234826;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=St. Maries;
RX PubMed=15618402; DOI=10.1073/pnas.0406656102;
RA Brayton K.A., Kappmeyer L.S., Herndon D.R., Dark M.J., Tibbals D.L.,
RA Palmer G.H., McGuire T.C., Knowles D.P. Jr.;
RT "Complete genome sequencing of Anaplasma marginale reveals that the surface
RT is skewed to two superfamilies of outer membrane proteins.";
RL Proc. Natl. Acad. Sci. U.S.A. 102:844-849(2005).
CC -!- FUNCTION: Endonuclease that specifically degrades the RNA of RNA-DNA
CC hybrids. {ECO:0000255|HAMAP-Rule:MF_00042}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Endonucleolytic cleavage to 5'-phosphomonoester.; EC=3.1.26.4;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00042};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00042};
CC Note=Binds 1 Mg(2+) ion per subunit. May bind a second metal ion at a
CC regulatory site, or after substrate binding. {ECO:0000255|HAMAP-
CC Rule:MF_00042};
CC -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00042}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00042}.
CC -!- SIMILARITY: Belongs to the RNase H family. {ECO:0000255|HAMAP-
CC Rule:MF_00042}.
CC -!- SEQUENCE CAUTION:
CC Sequence=AAV86271.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; CP000030; AAV86271.1; ALT_INIT; Genomic_DNA.
DR AlphaFoldDB; Q5PBQ8; -.
DR SMR; Q5PBQ8; -.
DR KEGG; ama:AM126; -.
DR PATRIC; fig|320483.3.peg.109; -.
DR HOGENOM; CLU_030894_6_0_5; -.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003676; F:nucleic acid binding; IEA:InterPro.
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; cd09278; RNase_HI_prokaryote_like; 1.
DR Gene3D; 3.30.420.10; -; 1.
DR HAMAP; MF_00042; RNase_H; 1.
DR InterPro; IPR012337; RNaseH-like_sf.
DR InterPro; IPR002156; RNaseH_domain.
DR InterPro; IPR036397; RNaseH_sf.
DR InterPro; IPR022892; RNaseHI.
DR Pfam; PF00075; RNase_H; 1.
DR SUPFAM; SSF53098; SSF53098; 1.
DR PROSITE; PS50879; RNASE_H_1; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Endonuclease; Hydrolase; Magnesium; Metal-binding; Nuclease.
FT CHAIN 1..154
FT /note="Ribonuclease H"
FT /id="PRO_0000332559"
FT DOMAIN 5..147
FT /note="RNase H type-1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00408"
FT BINDING 14
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 14
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 53
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 75
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 139
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
SQ SEQUENCE 154 AA; 17026 MW; 298FD5102FE97E75 CRC64;
MVLMGKSRVA IYTDGACSGN PGPGGWGAVL RFGDGGERRI SGGSDDTTNN RMELTAVIMA
LAALSGPCSV CVNTDSTYVK NGITEWIRKW KLNGWRTSNK SAVKNVDLWV ELERLTLLHS
IEWRWVKAHA GNEYNEEADM LARGEVERRM VIPK
