ID Q6T2C8_PICPA Unreviewed; 445 AA.
AC Q6T2C8;
DT 05-JUL-2004, integrated into UniProtKB/TrEMBL.
DT 05-JUL-2004, sequence version 1.
DT 24-JAN-2024, entry version 97.
DE RecName: Full=Adenosylhomocysteinase {ECO:0000256|RuleBase:RU000548};
DE EC=3.13.2.1 {ECO:0000256|RuleBase:RU000548};
GN Name=SAHH {ECO:0000313|EMBL:AAR98842.1};
OS Komagataella pastoris (Yeast) (Pichia pastoris).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes;
OC Saccharomycetales; Phaffomycetaceae; Komagataella.
OX NCBI_TaxID=4922 {ECO:0000313|EMBL:AAR98842.1};
RN [1] {ECO:0000313|EMBL:AAR98842.1}
RP NUCLEOTIDE SEQUENCE.
RA Wang S., Li D., Wu Y., Ji X., Zhang S.;
RT "Cloning and characterization of the Pichia Pastotris SAHH gene encoding S-
RT adenosylhomocysteine hydrolase.";
RL Submitted (OCT-2003) 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}.
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DR EMBL; AY442190; AAR98842.1; -; mRNA.
DR AlphaFoldDB; Q6T2C8; -.
DR SMR; Q6T2C8; -.
DR UniPathway; UPA00314; UER00076.
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; 3.
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 2: Evidence at transcript level;
KW Hydrolase {ECO:0000256|RuleBase:RU000548, ECO:0000313|EMBL:AAR98842.1};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|PIRSR:PIRSR001109-2};
KW One-carbon metabolism {ECO:0000256|ARBA:ARBA00022563,
KW ECO:0000256|RuleBase:RU000548}.
FT DOMAIN 190..351
FT /note="S-adenosyl-L-homocysteine hydrolase NAD binding"
FT /evidence="ECO:0000259|SMART:SM00997"
FT BINDING 54
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-1"
FT BINDING 130
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-1"
FT BINDING 155
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-1"
FT BINDING 156..158
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 185
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-1"
FT BINDING 189
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-1"
FT BINDING 221..226
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 242
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 247
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 298..300
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"
FT BINDING 352
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
SQ SEQUENCE 445 AA; 48680 MW; 432662EE9BB0CF63 CRC64;
MSNYKVADIS LAAFGRKDIE LSENEMPGLI YIREKYGPAQ PLKGARIAGC LHMTIQTAVL
IETLVALGAE VTWSSCNIFS TQDHAAAAIA ATGVPVFAWK GETEEEYLWC IEQQLFAFKD
NKKLNLILDD GGDLTSLVHE KYPEMLDDCF GLSEETTTGV HHLYKMVKDA TLKVPAINVN
DSVTKSKFDN LYGCRESLID GIKRATDVMI AGKVAVVAGF GDVGKGCAMA LRGMGARVII
SEIDPINALQ AAVEGYQVAP LDDVVSIGQI FVTTTGCRDI ITGKHFEQMP EDAIVSNIGH
FDIEIDVAWL KANAQDVSNI KPQVDRYLMK NGRHVILLAD GRLVNLGCAT GHSSFVMSCS
FSNQVLAQIA LFKSNDSEFR KQFVEFEKSG PFDVGVHVLP KILDETVARC HLAHLGAKLT
KLSSVQSEYL GIPVEGPFKV DHYRY
//
