protein modification process
   |__peptidyl-amino acid modification
       |__peptidyl-cysteine modification  1 rec.
           |__N-terminal peptidyl-L-cysteine N-palmitoylation 1 rec.
           |__N-terminal protein amino acid deamination, from amino carbon
           |__nickel incorporation into iron-sulfur cluster via tris-L-cysteinyl L-cysteine persulfido L-glutamato L-histidino L-serinyl nickel triiron disulfide trioxide
           |__peptide cross-linking via L-cystine
           |__peptidyl-cysteine acetylation
           |__peptidyl-cysteine deglycation
           |__peptidyl-cysteine methylation
           |__peptidyl-cysteine oxidation
           |__peptidyl-cysteine S-nitrosylation
           |   |__peptidyl-cysteine S-trans-nitrosylation
           |__peptidyl-L-3-oxoalanine biosynthetic process from peptidyl-cysteine or peptidyl-serine
           |__peptidyl-L-beta-methylthioaspartic acid biosynthetic process from peptidyl-aspartic acid
           |__peptidyl-pyrromethane cofactor linkage
           |__peptidyl-S-diacylglycerol-L-cysteine biosynthetic process from peptidyl-cysteine
               |__peptidyl-L-cysteine S-palmitoylation