ID   SAHH_AGRFC              Reviewed;         466 AA.
AC   Q8UJ99;
DT   06-JUN-2002, integrated into UniProtKB/Swiss-Prot.
DT   06-JUN-2002, sequence version 1.
DT   03-AUG-2022, entry version 121.
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=Atu0029;
GN   ORFNames=AGR_C_46;
OS   Agrobacterium fabrum (strain C58 / ATCC 33970) (Agrobacterium tumefaciens
OS   (strain C58)).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Rhizobium/Agrobacterium group; Agrobacterium;
OC   Agrobacterium tumefaciens complex.
OX   NCBI_TaxID=176299;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=C58 / ATCC 33970;
RX   PubMed=11743193; DOI=10.1126/science.1066804;
RA   Wood D.W., Setubal J.C., Kaul R., Monks D.E., Kitajima J.P., Okura V.K.,
RA   Zhou Y., Chen L., Wood G.E., Almeida N.F. Jr., Woo L., Chen Y.,
RA   Paulsen I.T., Eisen J.A., Karp P.D., Bovee D. Sr., Chapman P.,
RA   Clendenning J., Deatherage G., Gillet W., Grant C., Kutyavin T., Levy R.,
RA   Li M.-J., McClelland E., Palmieri A., Raymond C., Rouse G.,
RA   Saenphimmachak C., Wu Z., Romero P., Gordon D., Zhang S., Yoo H., Tao Y.,
RA   Biddle P., Jung M., Krespan W., Perry M., Gordon-Kamm B., Liao L., Kim S.,
RA   Hendrick C., Zhao Z.-Y., Dolan M., Chumley F., Tingey S.V., Tomb J.-F.,
RA   Gordon M.P., Olson M.V., Nester E.W.;
RT   "The genome of the natural genetic engineer Agrobacterium tumefaciens
RT   C58.";
RL   Science 294:2317-2323(2001).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=C58 / ATCC 33970;
RX   PubMed=11743194; DOI=10.1126/science.1066803;
RA   Goodner B., Hinkle G., Gattung S., Miller N., Blanchard M., Qurollo B.,
RA   Goldman B.S., Cao Y., Askenazi M., Halling C., Mullin L., Houmiel K.,
RA   Gordon J., Vaudin M., Iartchouk O., Epp A., Liu F., Wollam C., Allinger M.,
RA   Doughty D., Scott C., Lappas C., Markelz B., Flanagan C., Crowell C.,
RA   Gurson J., Lomo C., Sear C., Strub G., Cielo C., Slater S.;
RT   "Genome sequence of the plant pathogen and biotechnology agent
RT   Agrobacterium tumefaciens C58.";
RL   Science 294:2323-2328(2001).
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; AE007869; AAK85853.1; -; Genomic_DNA.
DR   PIR; AF2580; AF2580.
DR   PIR; D97362; D97362.
DR   RefSeq; NP_353068.1; NC_003062.2.
DR   RefSeq; WP_006311102.1; NC_003062.2.
DR   AlphaFoldDB; Q8UJ99; -.
DR   SMR; Q8UJ99; -.
DR   STRING; 176299.Atu0029; -.
DR   EnsemblBacteria; AAK85853; AAK85853; Atu0029.
DR   GeneID; 66223045; -.
DR   KEGG; atu:Atu0029; -.
DR   PATRIC; fig|176299.10.peg.29; -.
DR   eggNOG; COG0499; Bacteria.
DR   HOGENOM; CLU_025194_2_1_5; -.
DR   OMA; NKYGCRE; -.
DR   PhylomeDB; Q8UJ99; -.
DR   BioCyc; AGRO:ATU0029-MON; -.
DR   UniPathway; UPA00314; UER00076.
DR   Proteomes; UP000000813; Chromosome circular.
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; -; 1.
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..466
FT                   /note="Adenosylhomocysteinase"
FT                   /id="PRO_0000116939"
FT   BINDING         57
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         132
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         192
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         193..195
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         222
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         226
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         227
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         256..261
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         279
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         314
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         335..337
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
FT   BINDING         380
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00563"
SQ   SEQUENCE   466 AA;  51160 MW;  9A124B3304419F26 CRC64;
     MSLEKDYIVA DINLAAFGRK ELDIAETEMP GLMSCRKEFG ESKPLKGARI TGSLHMTIQT
     GVLIETLKEL GAEIRWASCN IFSTQDHAAA AIAAAGIPVF AVKGESLTEY WEYTDKIFQW
     TDGGLSNMIL DDGGDATMYI LLGARAEAGE DVLSNPGSEE EEILFAQINK RLKASPGWFT
     KQRDALKGVT EETTTGVHRL YDLAKKGLLP FPAINVNDSV TKSKFDNKYG CKESLVDGIR
     RATDVMMAGK VAVVCGYGDV GKGSAASLQG AGARVKVTEI DPICALQAAM DGFEVVRLED
     VVSSADIFIT TTGNKDVIRI EHMREMKDMA IVGNIGHFDN EIQVASLRNL KWTNIKPQVD
     MIEFPKGNRI ILLSEGRLLN LGNATGHPSF VMSASFTNQV LGQIELFTKP GEYKNEVYVL
     PKHLDEKVAR LHLEKLGVRL TELSDLQADY IGISKQGPFK AEHYRY