ID   ADE_GEOUR               Reviewed;         355 AA.
AC   A5G460;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   12-JUN-2007, sequence version 1.
DT   03-AUG-2022, entry version 85.
DE   RecName: Full=Adenine deaminase {ECO:0000255|HAMAP-Rule:MF_01962};
DE            Short=ADE {ECO:0000255|HAMAP-Rule:MF_01962};
DE            EC=3.5.4.2 {ECO:0000255|HAMAP-Rule:MF_01962};
DE   AltName: Full=Adenine aminohydrolase {ECO:0000255|HAMAP-Rule:MF_01962};
DE            Short=AAH {ECO:0000255|HAMAP-Rule:MF_01962};
GN   OrderedLocusNames=Gura_2399;
OS   Geotalea uraniireducens (strain Rf4) (Geobacter uraniireducens).
OC   Bacteria; Proteobacteria; Deltaproteobacteria; Desulfuromonadales;
OC   Geobacteraceae; Geotalea.
OX   NCBI_TaxID=351605;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1134 / JCM 13001 / Rf4;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Chertkov O., Brettin T., Bruce D., Han C., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Mikhailova N., Shelobolina E., Aklujkar M.,
RA   Lovley D., Richardson P.;
RT   "Complete sequence of Geobacter uraniireducens Rf4.";
RL   Submitted (MAY-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the hydrolytic deamination of adenine to
CC       hypoxanthine. Plays an important role in the purine salvage pathway and
CC       in nitrogen catabolism. {ECO:0000255|HAMAP-Rule:MF_01962}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=adenine + H(+) + H2O = hypoxanthine + NH4(+);
CC         Xref=Rhea:RHEA:23688, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:16708, ChEBI:CHEBI:17368, ChEBI:CHEBI:28938; EC=3.5.4.2;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01962};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01962};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01962};
CC   -!- SIMILARITY: Belongs to the metallo-dependent hydrolases superfamily.
CC       Adenosine and AMP deaminases family. Adenine deaminase type 2
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01962}.
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DR   EMBL; CP000698; ABQ26578.1; -; Genomic_DNA.
DR   RefSeq; WP_011939269.1; NC_009483.1.
DR   AlphaFoldDB; A5G460; -.
DR   SMR; A5G460; -.
DR   STRING; 351605.Gura_2399; -.
DR   EnsemblBacteria; ABQ26578; ABQ26578; Gura_2399.
DR   KEGG; gur:Gura_2399; -.
DR   HOGENOM; CLU_039228_7_0_7; -.
DR   OMA; DERLMQR; -.
DR   OrthoDB; 554648at2; -.
DR   Proteomes; UP000006695; Chromosome.
DR   GO; GO:0000034; F:adenine deaminase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006146; P:adenine catabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0043103; P:hypoxanthine salvage; IEA:UniProtKB-UniRule.
DR   GO; GO:0009117; P:nucleotide metabolic process; IEA:UniProtKB-KW.
DR   CDD; cd01320; ADA; 1.
DR   HAMAP; MF_01962; Adenine_deaminase; 1.
DR   InterPro; IPR001365; A_deaminase_dom.
DR   InterPro; IPR028892; ADE.
DR   InterPro; IPR006330; Ado/ade_deaminase.
DR   InterPro; IPR032466; Metal_Hydrolase.
DR   PANTHER; PTHR43114; PTHR43114; 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..355
FT                   /note="Adenine deaminase"
FT                   /id="PRO_1000081924"
FT   ACT_SITE        207
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01962"
FT   BINDING         24
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01962"
FT   BINDING         26
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01962"
FT   BINDING         204
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01962"
FT   BINDING         285
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01962"
FT   BINDING         286
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01962"
FT   SITE            228
FT                   /note="Important for catalytic activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01962"
SQ   SEQUENCE   355 AA;  39950 MW;  8B721CB2FE1BD307 CRC64;
     MNFDCIPRED LHGILCHMPK AELHIHIEGS LEPELIFELA TRNRIQLPYP TIDELRAAYA
     FTDLQSFLDI YYAGASVLQK EADFFDMAWA YLKRAKAENV VHAEIFFDPQ THTARGIPFE
     TVINGLDRAI RRGREELGLS ASLILCFLRH LSEEDAFAAL EDALPFRDKF IGVGLDSSER
     GNPPEKFTRV FARCRELGLR LVAHAGEEGS AEYISHSLDL LKAERIDHGV HCLDDPKLVA
     RLVQQRIPLT VCPLSNVKLC VFPSLSAHNI GKLLAAGIAA TINSDDPAYF GGYLNRNYTA
     TFAALPGLGA KEAYQLARNS FEASFVNENI KEGWIRELDE FFTHYRENEG KWLPL