Beta-Barrel Protein Structure with Ligand Binding - Molecular Conformational Change #1404145 (License: Personal Use)

This high-resolution molecular visualization depicts a beta-barrel protein in two conformational states: apo (ligand-free) on the left and holo (ligand-bound) on the right. The yellow ribbons represent beta-sheets forming the barrel, purple helices indicate alpha-helical regions, green loops show flexible segments, and the multicolored ball-and-stick structure is the bound ligand. Key residues shift upon binding, illustrating allosteric regulation or active-site remodeling critical for enzymatic or transport activity.

Used in structural biology, biochemistry, and drug discovery webpages to illustrate protein-ligand interactions, conformational dynamics, and mechanistic insights; targets researchers, students, and educators seeking visual explanations of molecular function.