ID A0A286AD38_9SPHI Unreviewed; 159 AA.
AC A0A286AD38;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 27-MAR-2024, entry version 15.
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 ORFNames=SAMN06297358_3514 {ECO:0000313|EMBL:SOD19808.1};
OS Pedobacter xixiisoli.
OC Bacteria; Bacteroidota; Sphingobacteriia; Sphingobacteriales;
OC Sphingobacteriaceae; Pedobacter.
OX NCBI_TaxID=1476464 {ECO:0000313|EMBL:SOD19808.1, ECO:0000313|Proteomes:UP000219281};
RN [1] {ECO:0000313|EMBL:SOD19808.1, ECO:0000313|Proteomes:UP000219281}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CGMCC 1.12803 {ECO:0000313|EMBL:SOD19808.1,
RC ECO:0000313|Proteomes:UP000219281};
RA Ehlers B., Leendertz F.H.;
RL Submitted (SEP-2017) 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. {ECO:0000256|HAMAP-Rule:MF_00972}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; OCMT01000004; SOD19808.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A286AD38; -.
DR OrthoDB; 9802676at2; -.
DR Proteomes; UP000219281; Unassembled WGS sequence.
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; 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; PS51747; CYT_DCMP_DEAMINASES_2; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_00972};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_00972};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_00972}; Zinc {ECO:0000256|HAMAP-Rule:MF_00972}.
FT DOMAIN 14..142
FT /note="CMP/dCMP-type deaminase"
FT /evidence="ECO:0000259|PROSITE:PS51747"
FT ACT_SITE 67
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
FT BINDING 65
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
FT BINDING 95
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
FT BINDING 98
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
SQ SEQUENCE 159 AA; 17629 MW; 10AA640BBDECE1F0 CRC64;
MSFYNFEENA NPQQEDEHYM RLALSEAKKA YDAQEIPIGA IVVCKGKVIG RGYNLTEQLN
DVTAHAEMQA FTAAAQTLGG KYLKDCTLYV TIEPCVMCAG ASYWTQISRV VYGAKEEKRG
FTKVGQNLLH PKTLLTGGIL SEECGSLMSA FFLNKRKQS
//
