Arabinogalactan endo-beta-1,4-galactanase
Cysteine sulfenic acid (-SOH) intermediate; for peroxidase activity
Lipocalin-like domain-containing protein
Carboxypeptidase regulatory-like domain-containing protein
Gly-cisPro motif, important for rejection of L-amino acids
2-(S-cysteinyl)pyruvic acid O-phosphothioketal
Alginate_lyase2 domain-containing protein
O-(5'-phospho-DNA)-tyrosine intermediate
Cu_amine_oxidN1 domain-containing protein
Schiff-base intermediate with substrate; via pyruvic acid
Nucleophile; for GTP cyclohydrolase activity
Proton acceptor; for GTP cyclohydrolase activity
O-(3'-phospho-DNA)-tyrosine intermediate
Nucleophile; methyl group acceptor from either O6- methylguanine or O4-methylthymine
Nucleophile; methyl group acceptor from methylphosphotriester
serine-type D-Ala-D-Ala carboxypeptidase
Carb-bd_dom_fam9 domain-containing protein
Fibronectin type-III domain-containing protein
MULTIHEME_CYTC domain-containing protein
Cyclic nucleotide-binding domain-containing protein
Arginine biosynthesis bifunctional protein ArgJ alpha chain
Arginine biosynthesis bifunctional protein ArgJ beta chain
TPM_phosphatase domain-containing protein
Nucleophile; cysteine thiosulfonate intermediate
Proton acceptor; specific for (R)-substrate epimerization
Proton acceptor; specific for (S)-substrate epimerization
Isoglutamyl lysine isopeptide (Glu-Lys) (interchain with K-? in acceptor proteins)