ID E7RN43_9BACT Unreviewed; 212 AA.
AC E7RN43;
DT 05-APR-2011, integrated into UniProtKB/TrEMBL.
DT 05-APR-2011, sequence version 1.
DT 27-MAR-2024, entry version 57.
DE RecName: Full=Ribonuclease HII {ECO:0000256|HAMAP-Rule:MF_00052};
DE Short=RNase HII {ECO:0000256|HAMAP-Rule:MF_00052};
DE EC=3.1.26.4 {ECO:0000256|HAMAP-Rule:MF_00052};
GN Name=rnhB {ECO:0000256|HAMAP-Rule:MF_00052,
GN ECO:0000313|EMBL:EFZ38174.1};
GN ORFNames=HMPREF0663_10543 {ECO:0000313|EMBL:EFZ38174.1};
OS Hoylesella oralis ATCC 33269.
OC Bacteria; Bacteroidota; Bacteroidia; Bacteroidales; Prevotellaceae;
OC Hoylesella.
OX NCBI_TaxID=873533 {ECO:0000313|EMBL:EFZ38174.1, ECO:0000313|Proteomes:UP000005580};
RN [1] {ECO:0000313|EMBL:EFZ38174.1, ECO:0000313|Proteomes:UP000005580}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33269 {ECO:0000313|EMBL:EFZ38174.1,
RC ECO:0000313|Proteomes:UP000005580};
RA Muzny D., Qin X., Buhay C., Dugan-Rocha S., Ding Y., Chen G., Hawes A.,
RA Holder M., Jhangiani S., Johnson A., Khan Z., Li Z., Liu W., Liu X.,
RA Perez L., Shen H., Wang Q., Watt J., Xi L., Xin Y., Zhou J., Deng J.,
RA Jiang H., Liu Y., Qu J., Song X.-Z., Zhang L., Villasana D., Johnson A.,
RA Liu J., Liyanage D., Lorensuhewa L., Robinson T., Song A., Song B.-B.,
RA Dinh H., Thornton R., Coyle M., Francisco L., Jackson L., Javaid M.,
RA Korchina V., Kovar C., Mata R., Mathew T., Ngo R., Nguyen L., Nguyen N.,
RA Okwuonu G., Ongeri F., Pham C., Simmons D., Wilczek-Boney K., Hale W.,
RA Jakkamsetti A., Pham P., Ruth R., San Lucas F., Warren J., Zhang J.,
RA Zhao Z., Zhou C., Zhu D., Lee S., Bess C., Blankenburg K., Forbes L.,
RA Fu Q., Gubbala S., Hirani K., Jayaseelan J.C., Lara F., Munidasa M.,
RA Palculict T., Patil S., Pu L.-L., Saada N., Tang L., Weissenberger G.,
RA Zhu Y., Hemphill L., Shang Y., Youmans B., Ayvaz T., Ross M.,
RA Santibanez J., Aqrawi P., Gross S., Joshi V., Fowler G., Nazareth L.,
RA Reid J., Worley K., Petrosino J., Highlander S., Gibbs R.;
RL Submitted (JAN-2011) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Endonuclease that specifically degrades the RNA of RNA-DNA
CC hybrids. {ECO:0000256|ARBA:ARBA00004065, ECO:0000256|HAMAP-
CC Rule:MF_00052, 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|HAMAP-
CC Rule:MF_00052, ECO:0000256|PROSITE-ProRule:PRU01319,
CC ECO:0000256|RuleBase:RU003515};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946};
CC -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00052,
CC ECO:0000256|PROSITE-ProRule:PRU01319};
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00052,
CC 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|HAMAP-Rule:MF_00052, ECO:0000256|PROSITE-
CC ProRule:PRU01319};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00052}.
CC -!- SIMILARITY: Belongs to the RNase HII family.
CC {ECO:0000256|ARBA:ARBA00007383, ECO:0000256|HAMAP-Rule:MF_00052,
CC ECO:0000256|RuleBase:RU003515}.
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:EFZ38174.1}.
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DR EMBL; AEPE02000002; EFZ38174.1; -; Genomic_DNA.
DR AlphaFoldDB; E7RN43; -.
DR STRING; 28134.SAMN05444288_0330; -.
DR eggNOG; COG0164; Bacteria.
DR HOGENOM; CLU_036532_3_1_10; -.
DR Proteomes; UP000005580; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0030145; F:manganese ion binding; IEA:UniProtKB-UniRule.
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; cd07182; RNase_HII_bacteria_HII_like; 1.
DR Gene3D; 3.30.420.10; Ribonuclease H-like superfamily/Ribonuclease H; 1.
DR HAMAP; MF_00052_B; RNase_HII_B; 1.
DR InterPro; IPR022898; RNase_HII.
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:SF18; RIBONUCLEASE HII; 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 Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00052};
KW Endonuclease {ECO:0000256|ARBA:ARBA00022759, ECO:0000256|HAMAP-
KW Rule:MF_00052};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_00052};
KW Manganese {ECO:0000256|ARBA:ARBA00023211, ECO:0000256|HAMAP-Rule:MF_00052};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00052};
KW Nuclease {ECO:0000256|ARBA:ARBA00022722, ECO:0000256|HAMAP-Rule:MF_00052};
KW Reference proteome {ECO:0000313|Proteomes:UP000005580}.
FT DOMAIN 20..210
FT /note="RNase H type-2"
FT /evidence="ECO:0000259|PROSITE:PS51975"
FT BINDING 26
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00052,
FT ECO:0000256|PROSITE-ProRule:PRU01319"
FT BINDING 27
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00052,
FT ECO:0000256|PROSITE-ProRule:PRU01319"
FT BINDING 118
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00052,
FT ECO:0000256|PROSITE-ProRule:PRU01319"
SQ SEQUENCE 212 AA; 24113 MW; 141F39D61131D813 CRC64;
MCIHDKVEIN MLKSHYYEEL LEAGCDEAGR GCLAGSVYAA AVILPKDYDN PLLNDSKQLS
VKLRYELRSQ IERDATAWAV GIVTPEEIDR INILKASFLA MHRALDQLAV RPQAVIVDGN
LFIPYQDLPY TAIVKGDGKY QAIAAASILA KTYRDDYMEE LALEYPQYDW QHNKGYPTSK
HRAAIRLHGI TPYHRKSYNL LGNDELTLHF RD
//
