ADD_STRT2
ID ADD_STRT2 Reviewed; 336 AA.
AC Q5M4W6;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 01-FEB-2005, sequence version 1.
DT 03-AUG-2022, entry version 92.
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=stu0750;
OS Streptococcus thermophilus (strain ATCC BAA-250 / LMG 18311).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC Streptococcus.
OX NCBI_TaxID=264199;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-250 / LMG 18311;
RX PubMed=15543133; DOI=10.1038/nbt1034;
RA Bolotin A., Quinquis B., Renault P., Sorokin A., Ehrlich S.D.,
RA Kulakauskas S., Lapidus A., Goltsman E., Mazur M., Pusch G.D., Fonstein M.,
RA Overbeek R., Kyprides N., Purnelle B., Prozzi D., Ngui K., Masuy D.,
RA Hancy F., Burteau S., Boutry M., Delcour J., Goffeau A., Hols P.;
RT "Complete sequence and comparative genome analysis of the dairy bacterium
RT Streptococcus thermophilus.";
RL Nat. Biotechnol. 22:1554-1558(2004).
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; CP000023; AAV60441.1; -; Genomic_DNA.
DR RefSeq; WP_011225786.1; NC_006448.1.
DR AlphaFoldDB; Q5M4W6; -.
DR SMR; Q5M4W6; -.
DR STRING; 264199.stu0750; -.
DR EnsemblBacteria; AAV60441; AAV60441; stu0750.
DR GeneID; 66898648; -.
DR KEGG; stl:stu0750; -.
DR eggNOG; COG1816; Bacteria.
DR HOGENOM; CLU_039228_0_0_9; -.
DR OMA; NHFTIHA; -.
DR Proteomes; UP000001170; 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 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..336
FT /note="Adenosine deaminase"
FT /id="PRO_1000017711"
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 336 AA; 37271 MW; 59C08348470F4B86 CRC64;
MTAIDFHKLA KIELHCHLDG SLSLSTIRHL AELAQIDLPE DDEELKQHVT APVTCESLLE
YLESFDYIRP LLQTNEALTI AAYDVAKQAA LENVIYIEVR FAPELSMDKG LTVTETIDAV
CQGLRQAQEE FGIIAKALVC GMRQSDQSLT ARILDEANQV RDSDFVGFDF AGDELNYGPA
AIKPLIEQVK SYNRPMTFHA GECGCPAFLA ESIAMGIKRN GHATILAQEP ELLDEFVKNG
VTGELCLTSN LQTKAAVTVN DFPYLKMKAA GANITINTDN RTVSDTNLTK EYELYHKYFD
STVQDFYAHN KTAIEASFAS DEEKEELLAR LAKAYS
