>4Z9D_1|Chains A, B, C, D|Pertussis toxin-like subunit ArtA|Escherichia coli (562) GPGTDFVYRVDSRPPEEIFRDGFRSHGFNRNLQQHLRGDSCAAGSRDSAFIATTTSLIETYNIARQYYSSSGFHGRLYRYRIRANNIFYPIQPSVNYLTQRGITFSGFERIMMREDNDIVAVEHIPGENIVEAVELTYDRFNSQVSDGPGTTNARYVPGSTFVNPGVIPQLVVPT