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SAHH_PSEFS
ID   SAHH_PSEFS              Reviewed;         469 AA.
AC   C3K3G6;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   16-JUN-2009, sequence version 1.
DT   03-AUG-2022, entry version 94.
DE   RecName: Full=Adenosylhomocysteinase {ECO:0000255|HAMAP-Rule:MF_00563};
DE            EC=3.3.1.1 {ECO:0000255|HAMAP-Rule:MF_00563};
DE   AltName: Full=S-adenosyl-L-homocysteine hydrolase {ECO:0000255|HAMAP-Rule:MF_00563};
DE            Short=AdoHcyase {ECO:0000255|HAMAP-Rule:MF_00563};
GN   Name=ahcY {ECO:0000255|HAMAP-Rule:MF_00563}; OrderedLocusNames=PFLU_5720;
OS   Pseudomonas fluorescens (strain SBW25).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=216595;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SBW25;
RX   PubMed=19432983; DOI=10.1186/gb-2009-10-5-r51;
RA   Silby M.W., Cerdeno-Tarraga A.M., Vernikos G.S., Giddens S.R.,
RA   Jackson R.W., Preston G.M., Zhang X.-X., Moon C.D., Gehrig S.M.,
RA   Godfrey S.A.C., Knight C.G., Malone J.G., Robinson Z., Spiers A.J.,
RA   Harris S., Challis G.L., Yaxley A.M., Harris D., Seeger K., Murphy L.,
RA   Rutter S., Squares R., Quail M.A., Saunders E., Mavromatis K.,
RA   Brettin T.S., Bentley S.D., Hothersall J., Stephens E., Thomas C.M.,
RA   Parkhill J., Levy S.B., Rainey P.B., Thomson N.R.;
RT   "Genomic and genetic analyses of diversity and plant interactions of
RT   Pseudomonas fluorescens.";
RL   Genome Biol. 10:R51.1-R51.16(2009).
CC   -!- FUNCTION: May play a key role in the regulation of the intracellular
CC       concentration of adenosylhomocysteine. {ECO:0000255|HAMAP-
CC       Rule:MF_00563}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + S-adenosyl-L-homocysteine = adenosine + L-homocysteine;
CC         Xref=Rhea:RHEA:21708, ChEBI:CHEBI:15377, ChEBI:CHEBI:16335,
CC         ChEBI:CHEBI:57856, ChEBI:CHEBI:58199; EC=3.3.1.1;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00563};
CC   -!- COFACTOR:
CC       Name=NAD(+); Xref=ChEBI:CHEBI:57540;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00563};
CC       Note=Binds 1 NAD(+) per subunit. {ECO:0000255|HAMAP-Rule:MF_00563};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-homocysteine biosynthesis; L-
CC       homocysteine from S-adenosyl-L-homocysteine: step 1/1.
CC       {ECO:0000255|HAMAP-Rule:MF_00563}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00563}.
CC   -!- SIMILARITY: Belongs to the adenosylhomocysteinase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00563}.
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DR   EMBL; AM181176; CAY53075.1; -; Genomic_DNA.
DR   RefSeq; WP_015886307.1; NC_012660.1.
DR   AlphaFoldDB; C3K3G6; -.
DR   SMR; C3K3G6; -.
DR   STRING; 294.SRM1_05374; -.
DR   PRIDE; C3K3G6; -.
DR   EnsemblBacteria; CAY53075; CAY53075; PFLU_5720.
DR   KEGG; pfs:PFLU_5720; -.
DR   eggNOG; COG0499; Bacteria.
DR   HOGENOM; CLU_025194_2_1_6; -.
DR   OMA; NKYGCRE; -.
DR   OrthoDB; 522981at2; -.
DR   UniPathway; UPA00314; UER00076.
DR   Proteomes; UP000002332; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004013; F:adenosylhomocysteinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006730; P:one-carbon metabolic process; IEA:UniProtKB-UniRule.
DR   CDD; cd00401; SAHH; 1.
DR   Gene3D; 3.40.50.1480; -; 3.
DR   HAMAP; MF_00563; AdoHcyase; 1.
DR   InterPro; IPR042172; Adenosylhomocyst_ase-like_sf.
DR   InterPro; IPR000043; Adenosylhomocysteinase-like.
DR   InterPro; IPR015878; Ado_hCys_hydrolase_NAD-bd.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   InterPro; IPR020082; S-Ado-L-homoCys_hydrolase_CS.
DR   PANTHER; PTHR23420; PTHR23420; 1.
DR   Pfam; PF05221; AdoHcyase; 1.
DR   Pfam; PF00670; AdoHcyase_NAD; 1.
DR   PIRSF; PIRSF001109; Ad_hcy_hydrolase; 1.
DR   SMART; SM00996; AdoHcyase; 1.
DR   SMART; SM00997; AdoHcyase_NAD; 1.
DR   SUPFAM; SSF51735; SSF51735; 1.
DR   TIGRFAMs; TIGR00936; ahcY; 1.
DR   PROSITE; PS00738; ADOHCYASE_1; 1.
DR   PROSITE; PS00739; ADOHCYASE_2; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Hydrolase; NAD; One-carbon metabolism; Reference proteome.
FT   CHAIN           1..469
FT                   /note="Adenosylhomocysteinase"
FT                   /id="PRO_1000212057"
FT   BINDING         63
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         139
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         164
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         165..167
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         194
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         198
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         199
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         228..233
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         251
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         300
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         321..323
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         375
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
SQ   SEQUENCE   469 AA;  51245 MW;  22C402972C54A418 CRC64;
     MSAVNTPADF NDYKVADMSL AAWGRRETFI AESEMPALMG LRRKYAAEQP LKGAKILGCI
     HMTIQTAVLI ETLVALGAEV RWSSCNIFST QDQAAAAIAA AGIPVFAWKG ETEEEYEWCL
     EQTILKDGAP WDANMILDDG GDLTELLHKK YPAILDRVHG VTEETTTGVH RLLDMLAKGE
     LKIPAINVND SVTKSKNDNK YGCRHSLNDA IKRGTDHLLS GKQALVIGYG DVGKGSSQSL
     RQEGMIVKVS EVDPICAMQA CMDGFEVVSP FIDGVNDGTE ASIDKALLGK IDLIVTTTGN
     VNVCDANMLK ALKKRAVVCN IGHFDNEIDT AFMRKNWAWE EVKPQVHKVH RTGAGAFDAQ
     NDDYLILLAE GRLVNLGNAT GHPSRIMDGS FANQVLAQIF LFGQKYADLS PAQKAERLTV
     EVLPKKLDEE VALEMVRGFG GVVTQLTKTQ ADYIGVTVEG PFKPHAYRY
 
 
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