ID A0A095XH31_9FIRM Unreviewed; 416 AA.
AC A0A095XH31;
DT 26-NOV-2014, integrated into UniProtKB/TrEMBL.
DT 26-NOV-2014, sequence version 1.
DT 24-JAN-2024, entry version 40.
DE RecName: Full=Adenosylhomocysteinase {ECO:0000256|RuleBase:RU000548};
DE EC=3.13.2.1 {ECO:0000256|RuleBase:RU000548};
GN ORFNames=HMPREF1635_04335 {ECO:0000313|EMBL:KGF09178.1};
OS Clostridiales bacterium S5-A14a.
OC Bacteria; Bacillota; Clostridia; Eubacteriales;
OC Eubacteriales Family XIII. Incertae Sedis.
OX NCBI_TaxID=1230734 {ECO:0000313|EMBL:KGF09178.1, ECO:0000313|Proteomes:UP000029601};
RN [1] {ECO:0000313|EMBL:KGF09178.1, ECO:0000313|Proteomes:UP000029601}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=S5-A14a {ECO:0000313|EMBL:KGF09178.1,
RC ECO:0000313|Proteomes:UP000029601};
RA McCorrison J., Sanka R., Torralba M., Gillis M., Haft D.H., Methe B.,
RA Sutton G., Nelson K.E.;
RL Submitted (JUL-2014) to the EMBL/GenBank/DDBJ databases.
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=3.13.2.1;
CC Evidence={ECO:0000256|RuleBase:RU000548};
CC -!- COFACTOR:
CC Name=NAD(+); Xref=ChEBI:CHEBI:57540;
CC Evidence={ECO:0000256|PIRSR:PIRSR001109-2,
CC ECO:0000256|RuleBase:RU000548};
CC Note=Binds 1 NAD(+) per subunit. {ECO:0000256|PIRSR:PIRSR001109-2,
CC ECO:0000256|RuleBase:RU000548};
CC -!- PATHWAY: Amino-acid biosynthesis; L-homocysteine biosynthesis; L-
CC homocysteine from S-adenosyl-L-homocysteine: step 1/1.
CC {ECO:0000256|RuleBase:RU000548}.
CC -!- SIMILARITY: Belongs to the adenosylhomocysteinase family.
CC {ECO:0000256|ARBA:ARBA00007122, ECO:0000256|RuleBase:RU004166}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KGF09178.1}.
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DR EMBL; JRNA01000014; KGF09178.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A095XH31; -.
DR STRING; 1230734.HMPREF1635_04335; -.
DR OrthoDB; 9802717at2; -.
DR UniPathway; UPA00314; UER00076.
DR Proteomes; UP000029601; Unassembled WGS sequence.
DR GO; GO:0004013; F:adenosylhomocysteinase activity; IEA:RHEA.
DR GO; GO:0006730; P:one-carbon metabolic process; IEA:UniProtKB-KW.
DR CDD; cd00401; SAHH; 1.
DR Gene3D; 3.40.50.1480; Adenosylhomocysteinase-like; 1.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 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 NCBIfam; TIGR00936; ahcY; 1.
DR PANTHER; PTHR23420; ADENOSYLHOMOCYSTEINASE; 1.
DR PANTHER; PTHR23420:SF0; ADENOSYLHOMOCYSTEINASE; 1.
DR Pfam; PF05221; AdoHcyase; 2.
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; SSF52283; Formate/glycerate dehydrogenase catalytic domain-like; 1.
DR SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
DR PROSITE; PS00738; ADOHCYASE_1; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|RuleBase:RU000548, ECO:0000313|EMBL:KGF09178.1};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|PIRSR:PIRSR001109-2};
KW One-carbon metabolism {ECO:0000256|ARBA:ARBA00022563,
KW ECO:0000256|RuleBase:RU000548};
KW Reference proteome {ECO:0000313|Proteomes:UP000029601}.
FT DOMAIN 185..346
FT /note="S-adenosyl-L-homocysteine hydrolase NAD binding"
FT /evidence="ECO:0000259|SMART:SM00997"
FT BINDING 151..153
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 216..221
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 237
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 293..295
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 340
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 347
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
SQ SEQUENCE 416 AA; 45878 MW; E7A464EC007297EA CRC64;
MSKYDIKDIN LAPSGHMKIR WVRENMPILR ELEEKFKNER PFEGIKICLS VHLEAKTAYL
CKVLAAGGAD MSITGSNVLS TQDDVVAALA DSGLKVYAVH GESQEEYARH IEMCLEHKPN
IIIDDGCDLV SCLHKKRPDL ASEVWGGCEE TTTGVIRLKS MANQGVLKFP MVAVNDADCK
HLFDNRYGTG QSTWESIMHN TNLIVAGKTV VVVGYGWCSK GIAMRASAMG AQVIVTEINP
VKAMEAKMDG YSVMPMREAA LLGDFFVTAT GCNKTITLEH MLTMKDGAIL ANAGHFDTEI
DMAELKERAT SIRESRENIT AFVLENGKTV HVLAEGRLVN IAASNGHPAE IMDLSFAVQA
ISAMYIKDNY KNLPNDVVDV SDKIDDQIAR MKLASWGIEI DTLTPEQEEY LKSWDV
//
