Fig. 3 | Nature Communications

Fig. 3

From: Mycoplasma genitalium adhesin P110 binds sialic-acid human receptors

Fig. 3

Comparison of sialic binding sites in bacterial adhesins. Binding of the oligosaccharides neuraminic acid moiety to a adhesin P110 from M. genitalium and to the serine-rich repeat (SRR) adhesins from b SrpA67 (PDB accession code 5IJ1), and c GspB68 (PDB accession code 5IUC). The extended tripeptide X-Tyr/Phe–Ser/Thr (residues 456–458 in P110) appears to be a common binding motif for sialic acid. Carbon atoms for the oligosaccharides are represented in light blue, while for amino acid residues are represented in brown. Nitrogen and oxygen atoms are depicted in dark blue and red, respectively

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