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Overview

Uniprot IDP31153
Protein NameS-adenosylmethionine synthase isoform type-2
Gene NameMAT2A
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
228 ALKEKVIKAVVPAKY

Function

Catalyzes the formation of S-adenosylmethionine from methionine and ATP. The reaction comprises two steps that are both catalyzed by the same enzyme: formation of S-adenosylmethionine (AdoMet) and triphosphate, and subsequent hydrolysis of the triphosphate

Protein Sequence

10 MNGQLNGFHE 20 AFIEEGTFLF 30 TSESVGEGHP 40 DKICDQISDA 50 VLDAHLQQDP 60 DAKVACETVA 70 KTGMILLAGE 80 ITSRAAVDYQ 90 KVVREAVKHI 100 GYDDSSKGFD 110 YKTCNVLVAL 120 EQQSPDIAQG 130 VHLDRNEEDI 140 GAGDQGLMFG 150 YATDETEECM 160 PLTIVLAHKL 170 NAKLAELRRN 180 GTLPWLRPDS 190 KTQVTVQYMQ 200 DRGAVLPIRV 210 HTIVISVQHD 220 EEVCLDEMRD 230 ALKEKVIKAV 240 VPAKYLDEDT 250 IYHLQPSGRF 260 VIGGPQGDAG 270 LTGRKIIVDT 280 YGGWGAHGGG 290 AFSGKDYTKV 300 DRSAAYAARW 310 VAKSLVKGGL 320 CRRVLVQVSY 330 AIGVSHPLSI 340 SIFHYGTSQK 350 SERELLEIVK 360 KNFDLRPGVI 370 VRDLDLKKPI 380 YQRTAAYGHF 390 GRDSFPWEVP KKLKY

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005829 cytosol
Cellular Component GO:0048269 methionine adenosyltransferase complex
Molecular Function GO:0005524 ATP binding
Molecular Function GO:0042802 identical protein binding
Molecular Function GO:0046872 metal ion binding
Molecular Function GO:0004478 methionine adenosyltransferase activity
Molecular Function GO:0036094 small molecule binding
Biological Process GO:0061431 cellular response to methionine
Biological Process GO:0006730 one-carbon metabolic process
Biological Process GO:1904263 positive regulation of TORC1 signaling
Biological Process GO:0051291 protein heterooligomerization
Biological Process GO:0034214 protein hexamerization
Biological Process GO:0006556 S-adenosylmethionine biosynthetic process

Reference

[1] Wu Q, Li Z, Gong T, Zheng X, Zhou X et al.. Porphyromonas gingivalis infection induces lysine lactylation reprogramming in human umbilical vein endothelial cells.. Front Cell Infect Microbiol 16:1706727. 2026. PMID: 41696360.