Resolvase/invertase-type recombinase catalytic
Cysteine sulfenic acid (-SOH) intermediate; for peroxidase activity
Isoglutamyl lysine isopeptide (Gln-Lys) (interchain with K-? in acceptor proteins)
Abhydrolase_10 domain-containing protein
ATP-dependent dethiobiotin synthetase BioD
Nucleophile; for GTP cyclohydrolase activity
Proton acceptor; for GTP cyclohydrolase activity
Gly-cisPro motif, important for rejection of L-amino acids
Phosphatidylserine decarboxylase alpha chain
Phosphatidylserine decarboxylase beta chain
Schiff-base intermediate with substrate; via pyruvic acid
Schiff-base intermediate with acetaldehyde
O-(5'-phospho-DNA)-tyrosine intermediate
O-(3'-phospho-DNA)-tyrosine intermediate
Proton donor; for beta-elimination activity
Proton donor; for delta-elimination activity