Cysteine sulfenic acid (-SOH) intermediate; for peroxidase activity
Proton acceptor; specific for (R)-substrate epimerization
Proton acceptor; specific for (S)-substrate epimerization
O-(5'-phospho-DNA)-tyrosine intermediate
Tryptophyl-tyrosyl-methioninium (Tyr-Met) (with Trp-102)
peptide-methionine (R)-S-oxide reductase
2-(S-cysteinyl)pyruvic acid O-phosphothioketal
Arginine biosynthesis bifunctional protein ArgJ alpha chain
Arginine biosynthesis bifunctional protein ArgJ beta chain
Phosphatidylserine decarboxylase alpha chain
Phosphatidylserine decarboxylase beta chain
Schiff-base intermediate with substrate; via pyruvic acid
Charge relay system; for autoendoproteolytic cleavage activity
Schiff-base intermediate with substrate; via pyruvic acid; for decarboxylase activity
Resolvase/invertase-type recombinase catalytic
O-(3'-phospho-DNA)-tyrosine intermediate
Small-conductance mechanosensitive channel
Gly-zipper_Omp domain-containing protein
Outer membrane protein assembly factor BamA
Proton acceptor; for glutaminase activity
Nucleophile; methyl group acceptor from either O6- methylguanine or O4-methylthymine
Nucleophile; methyl group acceptor from methylphosphotriester
Proton donor; for beta-elimination activity
Proton donor; for delta-elimination activity
Important for interaction with partner proteins
Nucleophile; cysteine thiosulfonate intermediate
Exopolysaccharide production protein YjbE
Interaction with polymerase core subunit RpoC