sentence: However , four Hcp1 homologous proteins were found in the genome of E. cloacae ATCC 13047 : Hcp2 ( ECL_RS00165 ) , Hcp3 ( ECL_RS07685 ) , Hcp4 ( ECL_RS10590 ) , and Hcp5 ( ECL_RS19875 ) , which showed 26 and 45 % amino acid identity and similarity , respectively .