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Database: UniProt
Entry: B1Y203_LEPCP
LinkDB: B1Y203_LEPCP
Original site: B1Y203_LEPCP 
ID   B1Y203_LEPCP            Unreviewed;       231 AA.
AC   B1Y203;
DT   20-MAY-2008, integrated into UniProtKB/TrEMBL.
DT   20-MAY-2008, sequence version 1.
DT   24-JAN-2024, entry version 71.
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=Lcho_2035 {ECO:0000313|EMBL:ACB34302.1};
OS   Leptothrix cholodnii (strain ATCC 51168 / LMG 8142 / SP-6) (Leptothrix
OS   discophora (strain SP-6)).
OC   Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC   Sphaerotilaceae; Leptothrix.
OX   NCBI_TaxID=395495 {ECO:0000313|EMBL:ACB34302.1, ECO:0000313|Proteomes:UP000001693};
RN   [1] {ECO:0000313|EMBL:ACB34302.1, ECO:0000313|Proteomes:UP000001693}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51168 / LMG 8142 / SP-6
RC   {ECO:0000313|Proteomes:UP000001693};
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C.,
RA   Han C., Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Lykidis A., Emerson D., Richardson P.;
RT   "Complete sequence of Leptothrix cholodnii SP-6.";
RL   Submitted (MAR-2008) 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; CP001013; ACB34302.1; -; Genomic_DNA.
DR   AlphaFoldDB; B1Y203; -.
DR   STRING; 395495.Lcho_2035; -.
DR   KEGG; lch:Lcho_2035; -.
DR   eggNOG; COG0590; Bacteria.
DR   HOGENOM; CLU_025810_3_0_4; -.
DR   OMA; LGDEVEC; -.
DR   OrthoDB; 9802676at2; -.
DR   Proteomes; UP000001693; 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; CYTOSINE DEAMINASE FAMILY MEMBER; 1.
DR   PANTHER; PTHR11079:SF179; TRNA(ADENINE(34)) DEAMINASE, CHLOROPLASTIC; 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:UP000001693};
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          9..124
FT                   /note="CMP/dCMP-type deaminase"
FT                   /evidence="ECO:0000259|PROSITE:PS51747"
FT   ACT_SITE        66
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
FT   BINDING         64
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
FT   BINDING         94
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
FT   BINDING         97
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
SQ   SEQUENCE   231 AA;  25193 MW;  3F1D9F089332AD6E CRC64;
     MTDATDTTSR DENTMRLALD QALNAHLAGE VPVGAVIVRH TADGPQVIAT GYNRPVTTND
     PTAHAELVAL RHAATLLENY RLPDCEIYIT LEPCAMCAMA LLHARLRRVV FGAWDPKTGA
     AGSVVNLFDL PQLNHQTEVQ GGVLADSCGR VLREFFVERR NQQKAERLAR RSEEAPAETG
     PVAVGEVFEM LPDEPDEPMP LPDVDEGRLS EAGALDLFAA QLMSADRNRN D
//
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