>7XJN_1|Chains A, B, C, D|Putrescine-binding periplasmic protein|Vibrio cholerae O1 biovar El Tor str. N16961 (243277)
AMAKDQELYFYNWSEYIPSEVLEDFTKETGIKVIYSTYESNESMYAKLKTQGAGYDLVVPSTYFVSKMRKEGMLQEIDHSKLSHFKDLDPNYLNKPFDPGNKFSIPYIWGATGIGINTDMLDKKSLKNWGDLWDAKWAGQLMLMDDAREVFHIALSKLGYSPNTTNPKEIKAAYRELKKLMPNVLVFNSDFPANPYLAGEVSLGMLWNGSAYMARQEGAPIQIIWPEKGTIFWMDSISIPAGAKNIEAAHKMIDFLLRPENAAKIALEIGYPTPVKTAHDLLPKEFANDPSIYPPQSVIDNGEWQDEVGEASVLYDEYFQKLKVND