meso-lanthionine (2R,2'S)-3,3'-sulfanediylbis(2-aminopropanoic acid) (2R,2'S)-3,3'-thiobis-(2-aminopropanoic acid) (2R,6S)-2,6-diamino-4-thiaheptanedioic acid (2R,6S)-meso-lanthionine (2S)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]sulfanyl]propanoic acid (2S,6R)-meso-lanthionine (R)-S-(2-amino-2-carboxyethyl)-D-cysteine (R,S)-bis(2-amino-2-carboxyethyl)sulfide -18.010564804077148438 -18.020000457763671875 172.0306549072265625 172.1999969482421875 3,3'-thiobis-meso-alanine A protein modification that effectively cross-links an L-cysteine residue and an L-serine residue by a thioether bond to form meso-lanthionine. C 0 H -2 N 0 O -1 S 0 C 6 H 8 N 2 O 2 S 1 C, S CROSSLNK Lanthionine (Cys-Ser) CROSSLNK Lanthionine (Ser-Cys) Cross-link 2. MOD:00120 PSI-MOD XLNK-SCys-(D)3Dha cysteine-3-D-alanine thioether meso-lanthionine natural uniprot.ptm:PTM-0164 crosslinked residues with loss of water lanthionine crosslinked L-serine residue