ID I0IB66_PHYMF Unreviewed; 518 AA.
AC I0IB66;
DT 13-JUN-2012, integrated into UniProtKB/TrEMBL.
DT 13-JUN-2012, sequence version 1.
DT 24-JAN-2024, entry version 62.
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 ECO:0000313|EMBL:BAM02504.1};
GN OrderedLocusNames=PSMK_03450 {ECO:0000313|EMBL:BAM02504.1};
OS Phycisphaera mikurensis (strain NBRC 102666 / KCTC 22515 / FYK2301M01).
OC Bacteria; Planctomycetota; Phycisphaerae; Phycisphaerales;
OC Phycisphaeraceae; Phycisphaera.
OX NCBI_TaxID=1142394 {ECO:0000313|EMBL:BAM02504.1, ECO:0000313|Proteomes:UP000007881};
RN [1] {ECO:0000313|EMBL:BAM02504.1, ECO:0000313|Proteomes:UP000007881}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NBRC 102666 / KCTC 22515 / FYK2301M01
RC {ECO:0000313|Proteomes:UP000007881};
RA Ankai A., Hosoyama A., Terui Y., Sekine M., Fukai R., Kato Y., Nakamura S.,
RA Yamada-Narita S., Kawakoshi A., Fukunaga Y., Yamazaki S., Fujita N.;
RT "Complete genome sequence of Phycisphaera mikurensis NBRC 102666.";
RL Submitted (FEB-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 ECO:0000256|RuleBase:RU000548};
CC -!- COFACTOR:
CC Name=NAD(+); Xref=ChEBI:CHEBI:57540;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00563,
CC ECO:0000256|PIRSR:PIRSR001109-2, ECO:0000256|RuleBase:RU000548};
CC Note=Binds 1 NAD(+) per subunit. {ECO:0000256|HAMAP-Rule:MF_00563,
CC ECO:0000256|PIRSR:PIRSR001109-2, 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|HAMAP-Rule:MF_00563, ECO:0000256|RuleBase:RU000548}.
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 ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; AP012338; BAM02504.1; -; Genomic_DNA.
DR AlphaFoldDB; I0IB66; -.
DR STRING; 1142394.PSMK_03450; -.
DR KEGG; phm:PSMK_03450; -.
DR PATRIC; fig|1142394.8.peg.353; -.
DR eggNOG; COG0499; Bacteria.
DR HOGENOM; CLU_025194_2_1_0; -.
DR OMA; YIGVTVE; -.
DR OrthoDB; 9802717at2; -.
DR UniPathway; UPA00314; UER00076.
DR Proteomes; UP000007881; 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:0000256|RuleBase:RU000548};
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:UP000007881}.
FT DOMAIN 269..429
FT /note="S-adenosyl-L-homocysteine hydrolase NAD binding"
FT /evidence="ECO:0000259|SMART:SM00997"
FT REGION 1..30
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 88
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563,
FT ECO:0000256|PIRSR:PIRSR001109-1"
FT BINDING 172
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563,
FT ECO:0000256|PIRSR:PIRSR001109-1"
FT BINDING 234
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563,
FT ECO:0000256|PIRSR:PIRSR001109-1"
FT BINDING 235..237
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 264
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563,
FT ECO:0000256|PIRSR:PIRSR001109-1"
FT BINDING 268
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563,
FT ECO:0000256|PIRSR:PIRSR001109-1"
FT BINDING 269
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563"
FT BINDING 298..303
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00563"
FT BINDING 300..305
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 321
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|HAMAP-Rule:MF_00563"
FT BINDING 377..379
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 423
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 430
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
SQ SEQUENCE 518 AA; 56216 MW; 54B117837DE597A6 CRC64;
MTAAPSVLNA PHDAPPGADP QHGDLPTAQT RGGLTFKVAD LSEESVRYGR TEIRLAEEEM
PGLMACRREY GESQPLKGQR IMGSLHMTIQ TAVLIETLVE LGAEVRWVSC NIFSTQDHAA
AAVVAGPSGT ADKPKGVPVY AWKGESLADY WWCTEQALRF ENGDGPTLIV DDGGDATMLI
HKGVEFELAG SVPGPETTDN VEFKEVLKTL ARVQQETPDR WQKVAAACKG VSEETTTGIK
ALNKLEKDGK LLFPAINVND SCTKSKFDNL YGCRHSLIDG LFRATDVMVS GKVAIVCGYG
DVGKGCCQSL RGQGARVIVT EIDPICALQA AMEGYEVTTL EDALPEADIV ITTTGNYDII
RLEHMQAMKD KTIVGNIGHF DNEIQMAKLE KAATRTNIKP QYDEWTFEDG HSILILAEGR
LLNLGCATGH PSFVMSASFT NQTIAQIDLA LAANGQDSLS GLTYAENKVT LLPKILDEKV
ARLHLGKLGV KLTELSEDQA DYIAVEKDGP YKPSHYRY
//