Amino Acid, Peptide, or ProteinPharmacologic Substance
nci:P108
Diphtheria Toxin
nci:P207
C0012550
nci:P325
<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A 60 kD single chain protein elaborated by Corynebacterium diphtheriae that causes the sign and symptoms of diphtheria; it can be broken into two unequal fragments, the smaller (A fragment) inhibits protein synthesis and is the lethal moiety that needs the larger (B fragment) for entry into cells.</n0:def-definition><n0:def-source>MSH2002_06_01</n0:def-source></n0:ComplexDefinition>