Sialic acid-binding periplasmic protein SiaP

UniProtKB accession:  P44542
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Go to UniProtKB:  P44542
UniProtKB description:  Part of the tripartite ATP-independent periplasmic (TRAP) transport system SiaPT involved in the uptake of sialic acid (N-acetyl-beta-neuraminate). This protein specifically binds sialic acid with high affinity. N-Acetylneuraminate (sialic acid) can then be incorporated into the lipooligosaccharides (LOS) as a terminal non-reducing sugar, protecting the bacterium from complement-mediated killing by normal human serum.
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