2-(S-cysteinyl)pyruvic acid O-phosphothioketal
Phosphocysteine intermediate; for EIIB activity
Cysteine sulfenic acid (-SOH) intermediate; for peroxidase activity
Interaction with polymerase core subunit RpoC
Outer membrane protein assembly factor BamE
serine-type D-Ala-D-Ala carboxypeptidase