ID F7V8N1_CLOSS Unreviewed; 416 AA.
AC F7V8N1;
DT 21-SEP-2011, integrated into UniProtKB/TrEMBL.
DT 21-SEP-2011, sequence version 1.
DT 27-MAR-2024, entry version 61.
DE RecName: Full=Adenosylhomocysteinase {ECO:0000256|RuleBase:RU000548};
DE EC=3.13.2.1 {ECO:0000256|RuleBase:RU000548};
GN Name=SAM1 {ECO:0000313|EMBL:BAK46491.1};
GN OrderedLocusNames=CXIVA_05240 {ECO:0000313|EMBL:BAK46491.1};
OS Clostridium sp. (strain SY8519).
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Clostridiaceae;
OC Clostridium.
OX NCBI_TaxID=1042156 {ECO:0000313|EMBL:BAK46491.1, ECO:0000313|Proteomes:UP000008937};
RN [1] {ECO:0000313|Proteomes:UP000008937}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SY8519 {ECO:0000313|Proteomes:UP000008937};
RX PubMed=21914882; DOI=10.1128/JB.05637-11;
RA Yokoyama S., Oshima K., Nomura I., Hattori M., Suzuki T.;
RT "Complete genomic sequence of the O-desmethylangolensin-producing bacterium
RT Clostridium rRNA cluster XIVa strain SY8519, isolated from adult human
RT intestine.";
RL J. Bacteriol. 193:5568-5569(2011).
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}.
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DR EMBL; AP012212; BAK46491.1; -; Genomic_DNA.
DR RefSeq; WP_013976475.1; NC_015737.1.
DR AlphaFoldDB; F7V8N1; -.
DR STRING; 1042156.CXIVA_05240; -.
DR KEGG; cls:CXIVA_05240; -.
DR eggNOG; COG0499; Bacteria.
DR HOGENOM; CLU_025194_0_2_9; -.
DR OrthoDB; 9802717at2; -.
DR UniPathway; UPA00314; UER00076.
DR Proteomes; UP000008937; Chromosome.
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.
DR PROSITE; PS00739; ADOHCYASE_2; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|RuleBase:RU000548, ECO:0000313|EMBL:BAK46491.1};
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:UP000008937}.
FT DOMAIN 183..344
FT /note="S-adenosyl-L-homocysteine hydrolase NAD binding"
FT /evidence="ECO:0000259|SMART:SM00997"
FT BINDING 149..151
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 214..219
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 235
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 291..293
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 338
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 345
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
SQ SEQUENCE 416 AA; 45884 MW; DA5BAB0477E0CC96 CRC64;
MSSIKDINLA PSGAHKIDWV RKNCPLLRSL EADFSREKPF QGIRIALSIH LEAKTAYLCK
VLAAGGAEMY ITGSNPLSTQ DDVAAALAAD GLNVYAWYDC SEEEYFGHIR SVLEHNCNII
IDDGGDLVHM LHTEMRDRLP YVIGGCEETT TGIIRLIAMA RNNELEFPMV MVNNADCKHL
FDNRYGTGQS VFDGINRTTN LIVAGKQVVV AGYGWCGKGV AMRAKGLGAR VIVTEINPIK
AIEAVMDGFD VMPMEEAAKV GDFFITVTGC AGVIREEHFA LMKNGAILCN AGHFDVEIDM
KRLREIALDT IDQRKNIVGY QISDGQWIYV LAEGRLVNLA AGDGHPAEIM DMSFAIQALS
AKYLVEHKDS LNEKLISVPR EVDLEVANRK LRFLGKSIDR LTPEQEAYLN SSNIDI
//
