>6YE4_1|Chains A, B, C, D, E|Biopolymer transport protein ExbB|Serratia marcescens (615) APAANPAVTESVAPTTAPAPAAAAPESITPVNPAPTIQPPETRGMDLSIWGMYQHADAVVKAVMIGLVLASIVTWTILFAKGSELLRAKRRLRREQLALAEARSLDEASELAQNFSPESVSAVLLNDAQNELELSAESNDNNGIKERTGFRLERRVAAYSRNMGRGNGFLATIGAISPFVGLFGTVWGIMNSFIGIAHSQTTNLAVVAPGIAEALLATAMGLVAAIPAVVIYNIFARVISGHRAQVGDVAAQVLLLQGRDLDLAATAEAKRSQHAHQLRAGHHHHHH