ID D9QKB1_BRESC Unreviewed; 150 AA.
AC D9QKB1;
DT 05-OCT-2010, integrated into UniProtKB/TrEMBL.
DT 05-OCT-2010, sequence version 1.
DT 27-MAR-2024, entry version 60.
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 OrderedLocusNames=Bresu_2387 {ECO:0000313|EMBL:ADL01696.1};
OS Brevundimonas subvibrioides (strain ATCC 15264 / DSM 4735 / LMG 14903 /
OS NBRC 16000 / CB 81) (Caulobacter subvibrioides).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Caulobacterales;
OC Caulobacteraceae; Brevundimonas.
OX NCBI_TaxID=633149 {ECO:0000313|EMBL:ADL01696.1, ECO:0000313|Proteomes:UP000002696};
RN [1] {ECO:0000313|Proteomes:UP000002696}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 15264 / DSM 4735 / LMG 14903 / NBRC 16000 / CB 81
RC {ECO:0000313|Proteomes:UP000002696};
RX PubMed=21705585; DOI=10.1128/JB.05453-11;
RG US DOE Joint Genome Institute;
RA Brown P.J., Kysela D.T., Buechlein A., Hemmerich C., Brun Y.V.;
RT "Genome sequences of eight morphologically diverse alphaproteobacteria.";
RL J. Bacteriol. 193:4567-4568(2011).
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; CP002102; ADL01696.1; -; Genomic_DNA.
DR AlphaFoldDB; D9QKB1; -.
DR STRING; 633149.Bresu_2387; -.
DR KEGG; bsb:Bresu_2387; -.
DR eggNOG; COG0590; Bacteria.
DR HOGENOM; CLU_025810_3_2_5; -.
DR InParanoid; D9QKB1; -.
DR OrthoDB; 9802676at2; -.
DR BioCyc; BSUB633149:G1GM8-2386-MONOMER; -.
DR Proteomes; UP000002696; 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};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00972}; Reference proteome {ECO:0000313|Proteomes:UP000002696};
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 1..106
FT /note="CMP/dCMP-type deaminase"
FT /evidence="ECO:0000259|PROSITE:PS51747"
FT ACT_SITE 50
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
FT BINDING 48
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
FT BINDING 78
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
FT BINDING 81
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
SQ SEQUENCE 150 AA; 15380 MW; C2218022E7662983 CRC64;
MRMALDLAQA AADAGEVPVG AVIVDETTGT VVATGANAPI SGHDPTAHAE IQAIRAAAAA
TGNYRLTGLT LYVTLEPCAM CAGAISHARI GRVVWGADDP KGGAVIHGPR LFDQPTLHSR
PVIEGGVLAD ASAESLRAFF RARRTGTRDA
//
