ADD2_STRCO
ID ADD2_STRCO Reviewed; 359 AA.
AC Q9X7T2;
DT 05-MAR-2002, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1999, sequence version 1.
DT 03-AUG-2022, entry version 115.
DE RecName: Full=Adenosine deaminase 2 {ECO:0000255|HAMAP-Rule:MF_00540};
DE EC=3.5.4.4 {ECO:0000255|HAMAP-Rule:MF_00540};
DE AltName: Full=Adenosine aminohydrolase 2 {ECO:0000255|HAMAP-Rule:MF_00540};
GN Name=add2 {ECO:0000255|HAMAP-Rule:MF_00540}; OrderedLocusNames=SCO7268;
GN ORFNames=SC5H1.24c;
OS Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145).
OC Bacteria; Actinobacteria; Streptomycetales; Streptomycetaceae;
OC Streptomyces; Streptomyces albidoflavus group.
OX NCBI_TaxID=100226;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-471 / A3(2) / M145;
RX PubMed=12000953; DOI=10.1038/417141a;
RA Bentley S.D., Chater K.F., Cerdeno-Tarraga A.-M., Challis G.L.,
RA Thomson N.R., James K.D., Harris D.E., Quail M.A., Kieser H., Harper D.,
RA Bateman A., Brown S., Chandra G., Chen C.W., Collins M., Cronin A.,
RA Fraser A., Goble A., Hidalgo J., Hornsby T., Howarth S., Huang C.-H.,
RA Kieser T., Larke L., Murphy L.D., Oliver K., O'Neil S., Rabbinowitsch E.,
RA Rajandream M.A., Rutherford K.M., Rutter S., Seeger K., Saunders D.,
RA Sharp S., Squares R., Squares S., Taylor K., Warren T., Wietzorrek A.,
RA Woodward J.R., Barrell B.G., Parkhill J., Hopwood D.A.;
RT "Complete genome sequence of the model actinomycete Streptomyces coelicolor
RT A3(2).";
RL Nature 417:141-147(2002).
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; AL939131; CAB42949.1; -; Genomic_DNA.
DR PIR; T35340; T35340.
DR RefSeq; NP_631324.1; NC_003888.3.
DR RefSeq; WP_011031554.1; NZ_VNID01000019.1.
DR AlphaFoldDB; Q9X7T2; -.
DR SMR; Q9X7T2; -.
DR STRING; 100226.SCO7268; -.
DR PRIDE; Q9X7T2; -.
DR GeneID; 1102706; -.
DR KEGG; sco:SCO7268; -.
DR PATRIC; fig|100226.15.peg.7370; -.
DR eggNOG; COG1816; Bacteria.
DR HOGENOM; CLU_039228_0_0_11; -.
DR InParanoid; Q9X7T2; -.
DR OMA; YIATFEH; -.
DR PhylomeDB; Q9X7T2; -.
DR Proteomes; UP000001973; Chromosome.
DR GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR GO; GO:0046936; F:2'-deoxyadenosine deaminase activity; IEA:RHEA.
DR GO; GO:0004000; F:adenosine deaminase activity; IBA:GO_Central.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0006154; P:adenosine catabolic process; IBA:GO_Central.
DR GO; GO:0043103; P:hypoxanthine salvage; IBA:GO_Central.
DR GO; GO:0046103; P:inosine biosynthetic process; IBA:GO_Central.
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..359
FT /note="Adenosine deaminase 2"
FT /id="PRO_0000194388"
FT ACT_SITE 211
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 20
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 22
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 22
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 24
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 181
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 208
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT BINDING 298
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
FT SITE 232
FT /note="Important for catalytic activity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00540"
SQ SEQUENCE 359 AA; 38801 MW; F80A2C74972E1B7D CRC64;
MSSTRIDTET LRRLPKAVLH DHLDGGLRPA TVVELARSVG HTLPTTDPDE LAAWYYEAAN
SGDLVRYIAT FEHTLAVMQN REGLLRAAEE YVLDLAADGV VYGEVRYAPE LNTRGGLSMR
EVVETVQEGL ATGMAKAAAA GTPVRVGTLL CGMRMFDRVR EAADLAVAFR DAGVVGFDIA
GAEDGFPPAD HLDAFEHLRR ENVPFTIHAG EAHGLPSIHQ ALQVCGAQRI GHGVRITDDI
PDLAAGKLGR LAAWVRDRRI ALEMCPTSNL QTGAATSIAE HPITALKDLG FRVTLNTDNR
LVSGTTMTRE MSLLVEQAGW SVEDLRTVTV NALKSAFVPF DERTALIEDV VLPAYASVL
