ADD_ENTFA
ID ADD_ENTFA Reviewed; 337 AA.
AC Q839J4;
DT 02-FEB-2004, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-2003, sequence version 1.
DT 03-AUG-2022, entry version 93.
DE RecName: Full=Adenosine deaminase {ECO:0000255|HAMAP-Rule:MF_00540};
DE EC=3.5.4.4 {ECO:0000255|HAMAP-Rule:MF_00540};
DE AltName: Full=Adenosine aminohydrolase {ECO:0000255|HAMAP-Rule:MF_00540};
GN Name=add {ECO:0000255|HAMAP-Rule:MF_00540}; OrderedLocusNames=EF_0171;
OS Enterococcus faecalis (strain ATCC 700802 / V583).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Enterococcaceae;
OC Enterococcus.
OX NCBI_TaxID=226185;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 700802 / V583;
RX PubMed=12663927; DOI=10.1126/science.1080613;
RA Paulsen I.T., Banerjei L., Myers G.S.A., Nelson K.E., Seshadri R.,
RA Read T.D., Fouts D.E., Eisen J.A., Gill S.R., Heidelberg J.F., Tettelin H.,
RA Dodson R.J., Umayam L.A., Brinkac L.M., Beanan M.J., Daugherty S.C.,
RA DeBoy R.T., Durkin S.A., Kolonay J.F., Madupu R., Nelson W.C.,
RA Vamathevan J.J., Tran B., Upton J., Hansen T., Shetty J., Khouri H.M.,
RA Utterback T.R., Radune D., Ketchum K.A., Dougherty B.A., Fraser C.M.;
RT "Role of mobile DNA in the evolution of vancomycin-resistant Enterococcus
RT faecalis.";
RL Science 299:2071-2074(2003).
CC -!- FUNCTION: Catalyzes the hydrolytic deamination of adenosine and 2-
CC deoxyadenosine. {ECO:0000255|HAMAP-Rule:MF_00540}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=adenosine + H(+) + H2O = inosine + NH4(+);
CC Xref=Rhea:RHEA:24408, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:16335, ChEBI:CHEBI:17596, ChEBI:CHEBI:28938; EC=3.5.4.4;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00540};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:24409;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00540};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2'-deoxyadenosine + H(+) + H2O = 2'-deoxyinosine + NH4(+);
CC Xref=Rhea:RHEA:28190, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:17256, ChEBI:CHEBI:28938, ChEBI:CHEBI:28997; EC=3.5.4.4;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00540};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:28191;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00540};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00540};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00540};
CC -!- SIMILARITY: Belongs to the metallo-dependent hydrolases superfamily.
CC Adenosine and AMP deaminases family. Adenosine deaminase subfamily.
CC {ECO:0000255|HAMAP-Rule:MF_00540}.
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DR EMBL; AE016830; AAO80045.1; -; Genomic_DNA.
DR RefSeq; NP_813973.1; NC_004668.1.
DR RefSeq; WP_002368573.1; NZ_KE136524.1.
DR AlphaFoldDB; Q839J4; -.
DR SMR; Q839J4; -.
DR STRING; 226185.EF_0171; -.
DR EnsemblBacteria; AAO80045; AAO80045; EF_0171.
DR KEGG; efa:EF0171; -.
DR PATRIC; fig|226185.45.peg.90; -.
DR eggNOG; COG1816; Bacteria.
DR HOGENOM; CLU_039228_0_0_9; -.
DR OMA; NHFTIHA; -.
DR Proteomes; UP000001415; Chromosome.
DR GO; GO:0046936; F:2'-deoxyadenosine deaminase activity; IEA:RHEA.
DR GO; GO:0004000; F:adenosine deaminase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0009117; P:nucleotide metabolic process; IEA:UniProtKB-KW.
DR GO; GO:0009168; P:purine ribonucleoside monophosphate biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd01320; ADA; 1.
DR HAMAP; MF_00540; A_deaminase; 1.
DR InterPro; IPR028893; A_deaminase.
DR InterPro; IPR001365; A_deaminase_dom.
DR InterPro; IPR006330; Ado/ade_deaminase.
DR InterPro; IPR032466; Metal_Hydrolase.
DR PANTHER; PTHR11409; PTHR11409; 1.
DR Pfam; PF00962; A_deaminase; 1.
DR SUPFAM; SSF51556; SSF51556; 1.
DR TIGRFAMs; TIGR01430; aden_deam; 1.
PE 3: Inferred from homology;
KW Hydrolase; Metal-binding; Nucleotide metabolism; Reference proteome; Zinc.
FT CHAIN 1..337
FT /note="Adenosine deaminase"
FT /id="PRO_0000194370"
FT ACT_SITE 202
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 15
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 17
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 17
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 19
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 172
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 199
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 279
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT SITE 222
FT /note="Important for catalytic activity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
SQ SEQUENCE 337 AA; 37362 MW; DA72368463DA25F3 CRC64;
MEESRVRQLP KIELHCHLDG SIRPTTLRTI AEKQNIPLPQ DEQALKELVV APEKCTDLND
YLTRFDFVLT CLQTAEALQA AAYDVISQAA EDGVAYIEVR FAPSQHTEKG LRLPEIVTAV
LTGLKQGEED FGVKSNALLC GMRHDQQQAI EKIVHLAHDF RETGVVGFDL AGNEVDFPPY
TFEDVLALAN QLSIPLTLHA GECGCGKNVA DAVTLGATRI GHGIALKDTP EYLALLKEKK
VLLEMCPTSN FQTGTVKTLA EYPFQQFIEA GLAVCINTDN RTVSDTTLTK EFMKLATWYQ
LSYDEMKQLT KNALAGAFLS PDEKKLLNQK IDQAYLF
