Schiff-base intermediate with dihydroxyacetone-P
Nucleophile; cysteine thiosulfonate intermediate
Phosphocysteine intermediate; for EIIB activity
Isoglutamyl lysine isopeptide (Gln-Lys) (interchain with K-? in acceptor proteins)
O-(5'-phospho-DNA)-tyrosine intermediate
Gly-cisPro motif, important for rejection of L-amino acids
Interaction with polymerase core subunit RpoC
O-(3'-phospho-DNA)-tyrosine intermediate
Schiff-base intermediate with substrate; via pyruvic acid
Tat pathway signal sequence domain protein
Involved in ionization of N3 of dUMP, leading to its activation
ABC transporter substrate-binding protein
Cysteine sulfenic acid (-SOH) intermediate
5-glutamyl coenzyme A thioester intermediate
Cysteine sulfenic acid (-SOH) intermediate; for peroxidase activity
Nucleophile; for GTP cyclohydrolase activity
Proton acceptor; for GTP cyclohydrolase activity
Proton donor; for beta-elimination activity
Proton donor; for delta-elimination activity
Arginine biosynthesis bifunctional protein ArgJ alpha chain
Arginine biosynthesis bifunctional protein ArgJ beta chain
Schiff-base intermediate with acetaldehyde