Q00266 (METK1_HUMAN) Homo sapiens (Human)

S-adenosylmethionine synthase isoform type-1 UniProtKBInterProSTRINGInteractive Modelling

395 aa; Sequence (Fasta) Identical sequences: Pan troglodytes: H2Q259; A0A6D2WW14; Pan paniscus: A0A2R9A4P2; Gorilla gorilla gorilla: G3QSU0

Sequence Features

 23Magnesium
 57Potassium
 38S -> N (in MATD; abolishes enzyme activity) VAR_031242
 55A -> D (in MATD; dbSNP:rs118204002) VAR_006935 dbSNP
 119Q -> H (in dbSNP:rs1143693) VAR_028944 dbSNP
 199R -> C (in MATD; retains 11% of wild-type activity; dbSNP:rs773267230) VAR_006936 dbSNP
 264R -> C (in MATD; has virtually no enzymatic activity; dbSNP:rs118204005) VAR_031243 dbSNP
 264R -> H (in MATD; dominant mutation; dbSNP:rs72558181) VAR_006937 dbSNP
 305L -> P (in MATD; dbSNP:rs118204004) VAR_006938 dbSNP
 322I -> M (in MATD; diminishes but do not completely abolishes enzyme activity; 46% of the level of the wild- type enzyme; dbSNP:rs118204001) VAR_006939 dbSNP
 336G -> R (in MATD; retains significant enzymatic activity; 23% of the level of the wild-type enzyme; dbSNP:rs118204006) VAR_031244 dbSNP
 344E -> A (in MATD; diminishes but do not completely abolishes enzyme activity; 12% of the level of the wild- type enzyme) VAR_031245
 356R -> Q (in MATD; dbSNP:rs138742870) VAR_006940 dbSNP
 357P -> L (in MATD; dbSNP:rs118204003) VAR_006941 dbSNP
 378G -> S (in MATD; dbSNP:rs1170028069) VAR_006942 dbSNP
 179-181ATP
 247-250ATP
 264-265ATP
 34-60
 18-115S-adenosylmethionine synthetase, N-terminal
IPR022628PF00438
 130-250S-adenosylmethionine synthetase, central domain
IPR022629PF02772
 252-388S-adenosylmethionine synthetase, C-terminal
IPR022630PF02773

Sequence Alignments

Experimental structures

DescriptionOligo-stateLigandsStructureRangeDownloadAssess
Crystal structure of the human S-adenosylmethionine synthetase 1 in complex with the producthomo-4-mer NA;SAM; 12×PG4;2obv16-395
Crystal structure R264H mutant of the human S-adenosylmethionine synthetase 1homo-2-mer 6sw614-395
Crystal structure of the human S-adenosylmethionine synthetase 1 (ligand-free form)homo-2-mer PEG;EDO;6sw516-395