Patent ID: 8309102

Claim:
A chimeric immunogen, comprising a) a Pseudomonas exotoxin A (PE) receptor binding domain Ia; b) a PE translocation domain II; c) a Chlamydia trachomatis antigen comprising the amino acid sequence selected from the group consisting of: AGTEAA (SEQ ID NO: 4), AGTDAA (SEQ ID NO: 5), CTTLNPTIAGC (SEQ ID NO.: 17), CGAKPTATTGNATAPSTLTAREC (SEQ ID NO: 18), and CTTSDVAGLQNDPC (SEQ ID NO: 19) inserted into PE domain Ib; and d) PE endoplasmic reticulum retention domain III, wherein the PE domain Ib is located between PE translocation domain II and PE endoplasmic reticulum retention domain III.