ID L0K3M1_9EURY Unreviewed; 427 AA.
AC L0K3M1;
DT 06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT 06-MAR-2013, sequence version 1.
DT 24-JAN-2024, entry version 57.
DE RecName: Full=Adenosylhomocysteinase {ECO:0000256|HAMAP-Rule:MF_00563};
DE EC=3.13.2.1 {ECO:0000256|HAMAP-Rule:MF_00563};
DE AltName: Full=S-adenosyl-L-homocysteine hydrolase {ECO:0000256|HAMAP-Rule:MF_00563};
DE Short=AdoHcyase {ECO:0000256|HAMAP-Rule:MF_00563};
GN Name=ahcY {ECO:0000256|HAMAP-Rule:MF_00563};
GN ORFNames=Natoc_3923 {ECO:0000313|EMBL:AGB39621.1};
OS Natronococcus occultus SP4.
OC Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Natrialbales;
OC Natrialbaceae; Natronococcus.
OX NCBI_TaxID=694430 {ECO:0000313|EMBL:AGB39621.1, ECO:0000313|Proteomes:UP000010878};
RN [1] {ECO:0000313|EMBL:AGB39621.1, ECO:0000313|Proteomes:UP000010878}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SP4 {ECO:0000313|EMBL:AGB39621.1,
RC ECO:0000313|Proteomes:UP000010878};
RG DOE Joint Genome Institute;
RA Eisen J., Huntemann M., Wei C.-L., Han J., Detter J.C., Han C., Tapia R.,
RA Chen A., Kyrpides N., Mavromatis K., Markowitz V., Szeto E., Ivanova N.,
RA Mikhailova N., Ovchinnikova G., Pagani I., Pati A., Goodwin L.,
RA Nordberg H.P., Cantor M.N., Hua S.X., Woyke T., Eisen J., Klenk H.-P.,
RA Klenk H.-P.;
RT "FINISHED of Natronococcus occultus SP4, DSM 3396.";
RL Submitted (NOV-2012) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: May play a key role in the regulation of the intracellular
CC concentration of adenosylhomocysteine. {ECO:0000256|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=3.13.2.1;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00563};
CC -!- COFACTOR:
CC Name=NAD(+); Xref=ChEBI:CHEBI:57540;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00563,
CC ECO:0000256|PIRSR:PIRSR001109-2};
CC Note=Binds 1 NAD(+) per subunit. {ECO:0000256|HAMAP-Rule:MF_00563,
CC ECO:0000256|PIRSR:PIRSR001109-2};
CC -!- PATHWAY: Amino-acid biosynthesis; L-homocysteine biosynthesis; L-
CC homocysteine from S-adenosyl-L-homocysteine: step 1/1.
CC {ECO:0000256|HAMAP-Rule:MF_00563}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00563}.
CC -!- SIMILARITY: Belongs to the adenosylhomocysteinase family.
CC {ECO:0000256|ARBA:ARBA00007122, ECO:0000256|HAMAP-Rule:MF_00563,
CC ECO:0000256|RuleBase:RU004166}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_00563}.
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DR EMBL; CP003929; AGB39621.1; -; Genomic_DNA.
DR RefSeq; WP_015323055.1; NC_019974.1.
DR AlphaFoldDB; L0K3M1; -.
DR STRING; 694430.Natoc_3923; -.
DR GeneID; 14403015; -.
DR KEGG; nou:Natoc_3923; -.
DR eggNOG; arCOG04137; Archaea.
DR HOGENOM; CLU_025194_2_1_2; -.
DR OrthoDB; 8479at2157; -.
DR UniPathway; UPA00314; UER00076.
DR Proteomes; UP000010878; 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; Adenosylhomocysteinase-like; 1.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 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 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 Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00563};
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_00563, ECO:0000313|EMBL:AGB39621.1};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_00563};
KW One-carbon metabolism {ECO:0000256|ARBA:ARBA00022563, ECO:0000256|HAMAP-
KW Rule:MF_00563}; Reference proteome {ECO:0000313|Proteomes:UP000010878}.
FT DOMAIN 192..353
FT /note="S-adenosyl-L-homocysteine hydrolase NAD binding"
FT /evidence="ECO:0000259|SMART:SM00997"
FT BINDING 132
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563"
FT BINDING 157
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563"
FT BINDING 158..160
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563,
FT ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 187
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563"
FT BINDING 191
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563"
FT BINDING 192
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563"
FT BINDING 221..226
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563"
FT BINDING 223..228
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 244
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563,
FT ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 279
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563"
FT BINDING 300..302
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563,
FT ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 347
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563,
FT ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 356
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
SQ SEQUENCE 427 AA; 46701 MW; 6ECD6E534C365BD5 CRC64;
MTDYPPISDQ LDDLESAREE GRRKMDWAAQ HMPILEHVRE EFVDDQPFEG ERIAMAMHVE
AKTAMLVETL AEGGADVAVT GCNPLSTHDD VSAALDAHES ITSYAKRGVD DEEYYDAIEA
VIAHEPTVTV DDGMDLVAAI HEDYPELIDG IVGGAEETTT GVHRLRAMDE DGALDYPVFA
VNDTPMKRLF DNVHGTGESS LASIAMTTNL SWAGKDVVVA GFGYCGKGVA RKASGQNANV
IVTEVEPRRA LEAHMEGYEV MPMADAAEKG DVFLTTTGNR DVIVEEHFEK MDDGVLLANA
GHFDIEIDLE ALDELAVDRY EARDGVEAYE LEDGRRLNVV AEGRLVNLAA PVSLGHPVEV
MDQSFGVQAV CVRELLENSD AYDAGVHEVP DELDQEIAEI KLEAEGVEFD ALTDTQREYM
DSWDHGT
//
