ID   ADD_STREM               Reviewed;         341 AA.
AC   B4U295;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   23-SEP-2008, sequence version 1.
DT   03-AUG-2022, entry version 70.
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=Sez_0749;
OS   Streptococcus equi subsp. zooepidemicus (strain MGCS10565).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=552526;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MGCS10565;
RX   PubMed=18716664; DOI=10.1371/journal.pone.0003026;
RA   Beres S.B., Sesso R., Pinto S.W.L., Hoe N.P., Porcella S.F., Deleo F.R.,
RA   Musser J.M.;
RT   "Genome sequence of a lancefield group C Streptococcus zooepidemicus strain
RT   causing epidemic nephritis: new information about an old disease.";
RL   PLoS ONE 3:E3026-E3026(2008).
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; CP001129; ACG62112.1; -; Genomic_DNA.
DR   RefSeq; WP_012515386.1; NC_011134.1.
DR   AlphaFoldDB; B4U295; -.
DR   SMR; B4U295; -.
DR   EnsemblBacteria; ACG62112; ACG62112; Sez_0749.
DR   KEGG; sez:Sez_0749; -.
DR   HOGENOM; CLU_039228_0_0_9; -.
DR   OMA; NHFTIHA; -.
DR   Proteomes; UP000001873; 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; Zinc.
FT   CHAIN           1..341
FT                   /note="Adenosine deaminase"
FT                   /id="PRO_1000128870"
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   341 AA;  37748 MW;  482AF6D32625D59E CRC64;
     METKDLKKLA KAELHCHLDG SLSLDTIRQL AALAQVDVPQ DDSELKQLVT APETCGSLMD
     YLKTFDFIRP LLQTPQALTL AAYDVVKQAA LENVIYIEIR FAPELSMDQG LTATQVVEAV
     LKGLEQGQKE FGIVAKAIVC GMRQSSLDIS REIFANVLEW ANKGLVGFDF AGNELDFPPA
     VLADLIKETQ AYGLPFTLHA GECGCPNYIV DAIDLGIKRL GHVTAIHNQK DLLAKFIAND
     VTAELCFTSN LQTKAARTVE DFPYMQLRQA GAKLSINTDN RTVSDTNLTK EYELFVKHFE
     TSVSDFLEHN RDAIKASFTS PAEKEALLAR LDKAYQSYIK K