ID A0A518IRI2_9BACT Unreviewed; 158 AA.
AC A0A518IRI2;
DT 16-OCT-2019, integrated into UniProtKB/TrEMBL.
DT 16-OCT-2019, sequence version 1.
DT 27-MAR-2024, entry version 12.
DE RecName: Full=tRNA-specific adenosine deaminase {ECO:0000256|HAMAP-Rule:MF_00972};
DE EC=3.5.4.33 {ECO:0000256|HAMAP-Rule:MF_00972};
GN Name=tadA {ECO:0000256|HAMAP-Rule:MF_00972,
GN ECO:0000313|EMBL:QDV55684.1};
GN ORFNames=Mal33_16630 {ECO:0000313|EMBL:QDV55684.1};
OS Rosistilla oblonga.
OC Bacteria; Planctomycetota; Planctomycetia; Pirellulales; Pirellulaceae;
OC Rosistilla.
OX NCBI_TaxID=2527990 {ECO:0000313|EMBL:QDV55684.1, ECO:0000313|Proteomes:UP000316770};
RN [1] {ECO:0000313|EMBL:QDV55684.1, ECO:0000313|Proteomes:UP000316770}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Mal33 {ECO:0000313|EMBL:QDV55684.1,
RC ECO:0000313|Proteomes:UP000316770};
RA Wiegand S., Jogler M., Boedeker C., Pinto D., Vollmers J., Rivas-Marin E.,
RA Kohn T., Peeters S.H., Heuer A., Rast P., Oberbeckmann S., Bunk B.,
RA Jeske O., Meyerdierks A., Storesund J.E., Kallscheuer N., Luecker S.,
RA Lage O.M., Pohl T., Merkel B.J., Hornburger P., Mueller R.-W., Bruemmer F.,
RA Labrenz M., Spormann A.M., Op den Camp H., Overmann J., Amann R.,
RA Jetten M.S.M., Mascher T., Medema M.H., Devos D.P., Kaster A.-K.,
RA Ovreas L., Rohde M., Galperin M.Y., Jogler C.;
RT "Deep-cultivation of Planctomycetes and their phenomic and genomic
RT characterization uncovers novel biology.";
RL Submitted (FEB-2019) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the deamination of adenosine to inosine at the
CC wobble position 34 of tRNA(Arg2). {ECO:0000256|HAMAP-Rule:MF_00972}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=adenosine(34) in tRNA + H(+) + H2O = inosine(34) in tRNA +
CC NH4(+); Xref=Rhea:RHEA:43168, Rhea:RHEA-COMP:10373, Rhea:RHEA-
CC COMP:10374, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:28938,
CC ChEBI:CHEBI:74411, ChEBI:CHEBI:82852; EC=3.5.4.33;
CC Evidence={ECO:0000256|ARBA:ARBA00001103, ECO:0000256|HAMAP-
CC Rule:MF_00972};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00972};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000256|HAMAP-Rule:MF_00972};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738, ECO:0000256|HAMAP-
CC Rule:MF_00972}.
CC -!- SIMILARITY: Belongs to the cytidine and deoxycytidylate deaminase
CC family. ADAT2 subfamily. {ECO:0000256|ARBA:ARBA00010669}.
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DR EMBL; CP036318; QDV55684.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A518IRI2; -.
DR Proteomes; UP000316770; Chromosome.
DR GO; GO:0052717; F:tRNA-specific adenosine-34 deaminase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0002100; P:tRNA wobble adenosine to inosine editing; IEA:UniProtKB-UniRule.
DR CDD; cd01285; nucleoside_deaminase; 1.
DR Gene3D; 3.40.140.10; Cytidine Deaminase, domain 2; 1.
DR HAMAP; MF_00972; tRNA_aden_deaminase; 1.
DR InterPro; IPR016192; APOBEC/CMP_deaminase_Zn-bd.
DR InterPro; IPR002125; CMP_dCMP_dom.
DR InterPro; IPR016193; Cytidine_deaminase-like.
DR InterPro; IPR028883; tRNA_aden_deaminase.
DR PANTHER; PTHR11079:SF179; CYTOSINE DEAMINASE; 1.
DR PANTHER; PTHR11079; CYTOSINE DEAMINASE FAMILY MEMBER; 1.
DR Pfam; PF14437; MafB19-deam; 1.
DR SUPFAM; SSF53927; Cytidine deaminase-like; 1.
DR PROSITE; PS00903; CYT_DCMP_DEAMINASES_1; 1.
DR PROSITE; PS51747; CYT_DCMP_DEAMINASES_2; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_00972, ECO:0000313|EMBL:QDV55684.1};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00972}; Reference proteome {ECO:0000313|Proteomes:UP000316770};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_00972};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_00972}.
FT DOMAIN 5..115
FT /note="CMP/dCMP-type deaminase"
FT /evidence="ECO:0000259|PROSITE:PS51747"
FT ACT_SITE 59
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
FT BINDING 57
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
FT BINDING 87
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
FT BINDING 90
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
SQ SEQUENCE 158 AA; 17112 MW; AD6C4C048848C6B9 CRC64;
MNDPEFDEHW MGRALELAYA AATADEVPVG AVILNEKRQV IAAAHNQREQ LHDPTAHAEM
IAITQAAEAI GDWRLEGCTL YVTLEPCPMC AGAILQARVP RVVYGADDPK AGAVRSMYEL
LSDDRLNHQC AVTSGVLSSR CSGALTDFFA AKRAMGKK
//
