ID A0A384CPN3_URSMA Unreviewed; 389 AA.
AC A0A384CPN3;
DT 07-NOV-2018, integrated into UniProtKB/TrEMBL.
DT 07-NOV-2018, sequence version 1.
DT 27-MAR-2024, entry version 21.
DE RecName: Full=Adenosylhomocysteinase {ECO:0000256|ARBA:ARBA00022091};
DE AltName: Full=S-adenosyl-L-homocysteine hydrolase {ECO:0000256|ARBA:ARBA00033091};
GN Name=AHCY {ECO:0000313|RefSeq:XP_008696410.1};
OS Ursus maritimus (Polar bear) (Thalarctos maritimus).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Laurasiatheria; Carnivora; Caniformia; Ursidae; Ursus.
OX NCBI_TaxID=29073 {ECO:0000313|Proteomes:UP000261680, ECO:0000313|RefSeq:XP_008696410.1};
RN [1] {ECO:0000313|RefSeq:XP_008696410.1}
RP IDENTIFICATION.
RC TISSUE=Whole blood {ECO:0000313|RefSeq:XP_008696410.1};
RG RefSeq;
RL Submitted (NOV-2023) to UniProtKB.
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|ARBA:ARBA00036565};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:21709;
CC Evidence={ECO:0000256|ARBA:ARBA00036565};
CC -!- COFACTOR:
CC Name=NAD(+); Xref=ChEBI:CHEBI:57540;
CC Evidence={ECO:0000256|PIRSR:PIRSR001109-2};
CC Note=Binds 1 NAD(+) per subunit. {ECO:0000256|PIRSR:PIRSR001109-2};
CC -!- SUBUNIT: Homotetramer. Interaction with AHCYL1.
CC {ECO:0000256|ARBA:ARBA00038791}.
CC -!- SIMILARITY: Belongs to the adenosylhomocysteinase family.
CC {ECO:0000256|ARBA:ARBA00007122}.
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DR RefSeq; XP_008696410.1; XM_008698188.2.
DR AlphaFoldDB; A0A384CPN3; -.
DR GeneID; 103669822; -.
DR CTD; 191; -.
DR OrthoDB; 120477at2759; -.
DR Proteomes; UP000261680; Unplaced.
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; 2.
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 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; 2.
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.
PE 3: Inferred from homology;
KW Endoplasmic reticulum {ECO:0000256|ARBA:ARBA00022824};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|PIRSR:PIRSR001109-2};
KW One-carbon metabolism {ECO:0000256|ARBA:ARBA00022563};
KW Reference proteome {ECO:0000313|Proteomes:UP000261680}.
FT DOMAIN 191..309
FT /note="S-adenosyl-L-homocysteine hydrolase NAD binding"
FT /evidence="ECO:0000259|SMART:SM00997"
FT BINDING 57
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-1"
FT BINDING 131
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-1"
FT BINDING 156
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-1"
FT BINDING 157..159
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 186
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-1"
FT BINDING 190
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-1"
FT BINDING 256..258
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 303
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
FT BINDING 310
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR001109-2"
SQ SEQUENCE 389 AA; 43369 MW; D605C44E9AD3609A CRC64;
MSDKLPYKVA DISLASWGRK ALDIAENEMP GLMRMREMYS ASKPLKGARI AGCLHMTVET
AVLIETLVAL GAEVQWSSCN IFSTQDHAAA AIAKAGIPVY AWKGETDEEY LWCIEQTLYF
KDGPLNMILD DGGDLTNLIH TKYPQLLSGI RGISEETTTG VHNLYKMMAS GKLKVPAINV
NDSVTKSKFD NLYGCRESLI DGIKRATDVM IAGYEVTTMD EACQEGNIFV TTTGCTDIIL
GRHFEQMKDD AVVCNIGHFD VEIDVKWLNE NAVEKVNVKP QVDRYWLKNG RRIILLAEGR
LVNLGCAMGH PSFVMSNSFT NQVLAQIELW THPDKYSVGV HFLPKKLDEA VAEAHLGKLN
VKLTKLTEKQ AQYLGLSRDG PFKPDHYRY
//
