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Homologies of EspB and EspD with each other and with Yersinia YopB and Shigella IpaB. Homologies, cited in reference 4, were obtained by using the Blast Similarity server (1). Protein sequence and residue numbers are given, with gaps introduced during alignment depicted by dashes. Letters in the space between sequences represent identical amino acids, and plus signs indicate similar amino acids. Predicted transmembrane domains (cited in reference 19) are underlined.
