ID A0A136Q2D9_9FIRM Unreviewed; 412 AA.
AC A0A136Q2D9;
DT 08-JUN-2016, integrated into UniProtKB/TrEMBL.
DT 08-JUN-2016, sequence version 1.
DT 24-JAN-2024, entry version 30.
DE RecName: Full=Adenosylhomocysteinase {ECO:0000256|RuleBase:RU000548};
DE EC=3.13.2.1 {ECO:0000256|RuleBase:RU000548};
GN ORFNames=HMPREF3293_02105 {ECO:0000313|EMBL:KXK64860.1};
OS Christensenella minuta.
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Christensenellaceae;
OC Christensenella.
OX NCBI_TaxID=626937 {ECO:0000313|EMBL:KXK64860.1, ECO:0000313|Proteomes:UP000070366};
RN [1] {ECO:0000313|EMBL:KXK64860.1, ECO:0000313|Proteomes:UP000070366}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 22607 {ECO:0000313|EMBL:KXK64860.1,
RC ECO:0000313|Proteomes:UP000070366};
RA Wen L., He K., Yang H.;
RL Submitted (FEB-2016) 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:KXK64860.1}.
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DR EMBL; LSZW01000063; KXK64860.1; -; Genomic_DNA.
DR RefSeq; WP_066518377.1; NZ_MAIR01000001.1.
DR AlphaFoldDB; A0A136Q2D9; -.
DR STRING; 626937.HMPREF3293_02105; -.
DR KEGG; cmiu:B1H56_04745; -.
DR PATRIC; fig|626937.4.peg.2077; -.
DR OrthoDB; 9802717at2; -.
DR UniPathway; UPA00314; UER00076.
DR Proteomes; UP000070366; 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; 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; 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};
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:UP000070366}.
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 412 AA; 44946 MW; A8EB21D03BD709F0 CRC64;
MSDIRNIKLA PSGRQKIEWV KRYMPVLKSF EEEFAPQKPF DGYRMCVCCH LEAKTAYLIQ
VIQACGAKVA ACASNPLSTQ DDVVAALVEG GADVYAIHGE TMEQYESHIR SALETEPNLI
VDDGGDVITM LHEEFPELLA GVIGASEETT TGVLRLKAME KAGELKIPVI PVNDAQCKYM
FDNRYGTGQS VWDGIMRTTN LIVAGKRVVV AGYGWCGKGV AKRAAALGAR VIVTEIDHIK
ATEALMDGFD VMSMNDAAAL GDIFVTVTGC EDVIVGRHFD KMKDGVLLAN AGHFDCEVKV
SELAEMSEKV VEMRSNVEGY VQKDGRVLNV IAGGRLVNLA SGDGHPAEIM DMSFALQFLA
QKYIRENHSS MRPGLMNLPE DIDYSVAVRK LKAMGGAVDV LTPEQHKYLY GD
//
