Fig. 6: The φTE baseplate composite model, wedge and fibers. | Nature Communications

Fig. 6: The φTE baseplate composite model, wedge and fibers.

From: Global structural survey of the flagellotropic myophage φTE infecting agricultural pathogen Pectobacterium atrosepticum

Fig. 6

a Summary side view depiction of the φTE baseplate with individual peptides annotated. Structures in white represent unmodelled AlphaFold predictions rigid body-fit to density. Translucent colored densities represent SASA representations of peptide chains. b Top view of the wedge module fitted to composite density used for modeling. White cartoons show AlphaFold predicted unmodelled domains of Wedge 2B rigid body-fit to density. Map: EMD-45953 (C6 map component 3.3 Å), threshold 6.51 (6.0 σ). c Side view of wedge module showing the trifurcation unit and contact between the wedge helical bundle and sheath initiator proteins. d Schematic of STF with modeled residues shown in color and predicted domains shown in white. e Schematic of LTF with modeled residues shown in color and predicted domains shown in white (does not represent extended conformation). f Binding site of STF to outer wedge via Wedge 1 proteins. g Binding site of LTF to outer wedge via Wedge 2 A and sheath initiator proteins. h Putative di-sulfide bond between sheath initiator C143 and Wedge 1 C143.

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