ID Q9JZR1_NEIMB Unreviewed; 239 AA.
AC Q9JZR1;
DT 01-OCT-2000, integrated into UniProtKB/TrEMBL.
DT 01-OCT-2000, sequence version 1.
DT 27-MAR-2024, entry version 114.
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=NMB0933 {ECO:0000313|EMBL:AAF41340.1};
OS Neisseria meningitidis serogroup B (strain MC58).
OC Bacteria; Pseudomonadota; Betaproteobacteria; Neisseriales; Neisseriaceae;
OC Neisseria.
OX NCBI_TaxID=122586 {ECO:0000313|EMBL:AAF41340.1, ECO:0000313|Proteomes:UP000000425};
RN [1] {ECO:0000313|EMBL:AAF41340.1, ECO:0000313|Proteomes:UP000000425}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MC58 {ECO:0000313|EMBL:AAF41340.1,
RC ECO:0000313|Proteomes:UP000000425};
RX PubMed=10710307; DOI=10.1126/science.287.5459.1809;
RA Tettelin H., Saunders N.J., Heidelberg J., Jeffries A.C., Nelson K.E.,
RA Eisen J.A., Ketchum K.A., Hood D.W., Peden J.F., Dodson R.J., Nelson W.C.,
RA Gwinn M.L., DeBoy R., Peterson J.D., Hickey E.K., Haft D.H., Salzberg S.L.,
RA White O., Fleischmann R.D., Dougherty B.A., Mason T., Ciecko A.,
RA Parksey D.S., Blair E., Cittone H., Clark E.B., Cotton M.D.,
RA Utterback T.R., Khouri H., Qin H., Vamathevan J., Gill J., Scarlato V.,
RA Masignani V., Pizza M., Grandi G., Sun L., Smith H.O., Fraser C.M.,
RA Moxon E.R., Rappuoli R., Venter J.C.;
RT "Complete genome sequence of Neisseria meningitidis serogroup B strain
RT MC58.";
RL Science 287:1809-1815(2000).
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; AE002098; AAF41340.1; -; Genomic_DNA.
DR PIR; H81141; H81141.
DR RefSeq; NP_273972.1; NC_003112.2.
DR RefSeq; WP_002225332.1; NC_003112.2.
DR AlphaFoldDB; Q9JZR1; -.
DR STRING; 122586.NMB0933; -.
DR PaxDb; 122586-NMB0933; -.
DR DNASU; 903054; -.
DR KEGG; nme:NMB0933; -.
DR PATRIC; fig|122586.8.peg.1182; -.
DR HOGENOM; CLU_025810_2_1_4; -.
DR InParanoid; Q9JZR1; -.
DR OrthoDB; 9802676at2; -.
DR Proteomes; UP000000425; Chromosome.
DR GO; GO:0052717; F:tRNA-specific adenosine-34 deaminase activity; IBA:GO_Central.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0002100; P:tRNA wobble adenosine to inosine editing; IBA:GO_Central.
DR CDD; cd01285; nucleoside_deaminase; 1.
DR Gene3D; 1.10.150.20; 5' to 3' exonuclease, C-terminal subdomain; 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; IPR007077; TfoX_C.
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 Pfam; PF04994; TfoX_C; 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:UP000000425};
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 90..223
FT /note="CMP/dCMP-type deaminase"
FT /evidence="ECO:0000259|PROSITE:PS51747"
FT ACT_SITE 143
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
FT BINDING 141
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
FT BINDING 171
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
FT BINDING 174
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00972"
SQ SEQUENCE 239 AA; 25988 MW; AF3444A8C60438FE CRC64;
MLTTPPLAPK TVAALHRLGI RTLEELRQNG SVKAFLLLKA SGLTLTKSTL WQLESLLDGT
PPQEMSQAHK ARLLAELKNH PPVAAFPPQE EMEHFMCEAL RQAEQSSADG EIPVGAVIVS
DGKIIASAHN TCIADCNVSR HAEINALAQA GREIQNYRLD GCDIYITLEP CAMCASALIQ
ARIRRVIYGA AEPKTGAAGS IVNLFADKRL NTHTAIRGGI LQEECRAVLS RFFQNKRKG
//
