Schiff-base intermediate with acetaldehyde
Proton donor; for beta-elimination activity
Proton donor; for delta-elimination activity
Resolvase/invertase-type recombinase catalytic
Schiff-base intermediate with substrate; via pyruvic acid
O-(3'-phospho-DNA)-tyrosine intermediate
Isoglutamyl lysine isopeptide (Lys-Gln) (interchain with Q-Cter in protein Pup)
LPXTG cell wall anchor domain-containing protein
Cytochrome bc1 complex cytochrome c subunit
Cysteine sulfenic acid (-SOH) intermediate; for peroxidase activity
2-(S-cysteinyl)pyruvic acid O-phosphothioketal
O-(5'-phospho-DNA)-tyrosine intermediate
Fibronectin type-III domain-containing protein
Fibrinogen C-terminal domain-containing protein
Schiff-base intermediate with D-ribose 5-phosphate
Sugar ABC transporter substrate-binding protein
Gly-cisPro motif, important for rejection of L-amino acids
Outer membrane lipoprotein-sorting protein
GRAM_POS_ANCHORING domain-containing protein
Alternate-type signal peptide domain-containing protein
D-alanyl-D-alanine carboxypeptidase/D-alanyl-D-alanine-endopeptidase
Nucleophile; cysteine thiosulfonate intermediate
Transglycosylase SLT domain-containing protein
Isoglutamyl lysine isopeptide (Gln-Lys) (interchain with K-? in acceptor proteins)
5-glutamyl coenzyme A thioester intermediate
PQQ-binding-like beta-propeller repeat protein