Channel specificity: structural basis for sugar discrimination and differential flux rates in maltoporin.

Crystal Structures of Various Maltooligosaccharides Bound to Maltoporin Reveal a Specific Sugar Translocation Pathway

Structural Basis for Sugar Translocation Through Maltoporin Channels at 3.1 A Resolution

VDFHGYARSGIGWTGSGGEQQCFQTTGAQSKYRLGNECETYAELKLGQEVWKEGDKSFYFDTNVAYSVAQQNDWEATDPA
FREANVQGKNLIEWLPGSTIWAGKRFYQRHDVHMIDFYYWDISGPGAGLENIDVGFGKLSLAATRSSEAGGSSSFASNNI
YDYTNETANDVFDVRLAQMEINPGGTLELGVDYGRANLRDNYRLVDGASKDGWLFTAEHTQSVLKGFNKFVVQYATDSMT
SQGKGLSQGSGVAFDNEKFAYNINNNGHMLRILDHGAISMGDNWDMMYVGMYQDINWDNDNGTKWWTVGIRPMYKWTPIM
STVMEIGYDNVESQRTGDKNNQYKITLAQQWQAGDSIWSRPAIRVFATYAKWDEKWGYDYTGNADNNANFGKAVPADFNG
GSFGRGDSDEWTFGAQMEIWW

oligosaccharide with reducing-end-to-reducing-end glycosidic bond

REFINEMENT WAS PERFORMED USING TIGHT STERICAL RESTRAINTS FOR NCS-RELATED MONOMERS

MEMBRANE PROTEIN, SPECIFIC PORIN, BETA BARREL, SUGAR TRANSPORT, SUCROSE

MMITLRKLPLAVAVAAGVMSAQAMAVDFHGYARSGIGWTGSGGEQQCFQTTGAQSKYRLGNECETYAELKLGQEVWKEGD
KSFYFDTNVAYSVAQQNDWEATDPAFREANVQGKNLIEWLPGSTIWAGKRFYQRHDVHMIDFYYWDISGPGAGLENIDVG
FGKLSLAATRSSEAGGSSSFASNNIYDYTNETANDVFDVRLAQMEINPGGTLELGVDYGRANLRDNYRLVDGASKDGWLF
TAEHTQSVLKGFNKFVVQYATDSMTSQGKGLSQGSGVAFDNEKFAYNINNNGHMLRILDHGAISMGDNWDMMYVGMYQDI
NWDNDNGTKWWTVGIRPMYKWTPIMSTVMEIGYDNVESQRTGDKNNQYKITLAQQWQAGDSIWSRPAIRVFATYAKWDEK
WGYDYTGNADNNANFGKAVPADFNGGSFGRGDSDEWTFGAQMEIWW