O-(3'-phospho-DNA)-tyrosine intermediate
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
Isoglutamyl lysine isopeptide (Gln-Lys) (interchain with K-? in acceptor proteins)
Cysteine sulfenic acid (-SOH) intermediate; for peroxidase activity
Conserved alanine and proline rich protein
Isoglutamyl lysine isopeptide (Lys-Gln) (interchain with Q-Cter in protein Pup)
Proton donor; for beta-elimination activity
Proton donor; for delta-elimination activity
Schiff-base intermediate with acetaldehyde
Alanine and proline-rich secreted protein Apa
Involved in ionization of N3 of dUMP, leading to its activation
Removed in mature form; by autocatalysis
Arginine biosynthesis bifunctional protein ArgJ alpha chain
Arginine biosynthesis bifunctional protein ArgJ beta chain
Proton acceptor; for glutaminase activity