Involved in ionization of N3 of dUMP, leading to its activation
Schiff-base intermediate with D-ribose 5-phosphate
Gly-cisPro motif, important for rejection of L-amino acids
5-glutamyl coenzyme A thioester intermediate
Nucleophile; cysteine thiosulfonate intermediate
ABC transporter substrate-binding protein
Arginine biosynthesis bifunctional protein ArgJ alpha chain
Arginine biosynthesis bifunctional protein ArgJ beta chain
O-(5'-phospho-DNA)-tyrosine intermediate
Fe/B12 periplasmic-binding domain-containing protein
Isoglutamyl lysine isopeptide (Glu-Lys) (interchain with K-? in acceptor proteins)
Phosphocysteine intermediate; for EIIB activity
GramPos_pilinD1 domain-containing protein
Cysteine sulfenic acid (-SOH) intermediate
Lipid II isoglutaminyl synthase (glutamine-hydrolyzing) subunit MurT
O-(3'-phospho-DNA)-tyrosine intermediate
Schiff-base intermediate with substrate; via pyruvic acid
Interaction with polymerase core subunit RpoC
Nucleophile; for GTP cyclohydrolase activity
Proton acceptor; for GTP cyclohydrolase activity
Resolvase/invertase-type recombinase catalytic
Schiff-base intermediate with acetaldehyde
Proton donor; for beta-elimination activity
Proton donor; for delta-elimination activity
Urea ABC transporter substrate-binding protein
X-X-X-Leu-X-X-Gly heptad repeat-containing protein