ADD_ECODH
ID ADD_ECODH Reviewed; 333 AA.
AC B1XF88;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 20-MAY-2008, sequence version 1.
DT 03-AUG-2022, entry version 77.
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=ECDH10B_1756;
OS Escherichia coli (strain K12 / DH10B).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=316385;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K12 / DH10B;
RX PubMed=18245285; DOI=10.1128/jb.01695-07;
RA Durfee T., Nelson R., Baldwin S., Plunkett G. III, Burland V., Mau B.,
RA Petrosino J.F., Qin X., Muzny D.M., Ayele M., Gibbs R.A., Csorgo B.,
RA Posfai G., Weinstock G.M., Blattner F.R.;
RT "The complete genome sequence of Escherichia coli DH10B: insights into the
RT biology of a laboratory workhorse.";
RL J. Bacteriol. 190:2597-2606(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; CP000948; ACB02829.1; -; Genomic_DNA.
DR RefSeq; WP_000567490.1; NC_010473.1.
DR AlphaFoldDB; B1XF88; -.
DR SMR; B1XF88; -.
DR GeneID; 66674486; -.
DR KEGG; ecd:ECDH10B_1756; -.
DR HOGENOM; CLU_039228_0_2_6; -.
DR OMA; NHFTIHA; -.
DR BioCyc; ECOL316385:ECDH10B_RS08995-MON; -.
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; IPR006650; A/AMP_deam_AS.
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.
DR PROSITE; PS00485; A_DEAMINASE; 1.
PE 3: Inferred from homology;
KW Hydrolase; Metal-binding; Nucleotide metabolism; Zinc.
FT CHAIN 1..333
FT /note="Adenosine deaminase"
FT /id="PRO_1000128843"
FT ACT_SITE 200
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 12
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 14
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 14
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 16
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 170
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 197
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 278
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="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT SITE 221
FT /note="Important for catalytic activity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
SQ SEQUENCE 333 AA; 36397 MW; 6234BBC13C505ED6 CRC64;
MIDTTLPLTD IHRHLDGNIR PQTILELGRQ YNISLPAQSL ETLIPHVQVI ANEPDLVSFL
TKLDWGVKVL ASLDACRRVA FENIEDAARH GLHYVELRFS PGYMAMAHQL PVAGVVEAVI
DGVREGCRTF GVQAKLIGIM SRTFGEAACQ QELEAFLAHR DQITALDLAG DELGFPGSLF
LSHFNRARDA GWHITVHAGE AAGPESIWQA IRELGAERIG HGVKAIEDRA LMDFLAEQQI
GIESCLTSNI QTSTVAELAA HPLKTFLEHG IRASINTDDP GVQGVDIIHE YTVAAPAAGL
SREQIRQAQI NGLEMAFLSA EEKRALREKV AAK
