Sample pictures from 'Molecules of Life & Mutations' Ligands ('Small Molecules') 1.1 Non-Peptidic 'Small Molecules'
			One Ca2+ ion (magenta atom ball) held between two carboxylate ions (grey atom balls) of two glutamate residues of the adhesion protein E-selectin (grey backbone, shown in part) PDB 1ESL
			Beta-Phenylethylamine (wireframe + atom balls as dot clouds, except for nitrogen: grey ball)
			Mitomycin (grey atom balls) within  dsDNA (magenta wireframe) PDB 199D
			Daunomycin (white atom balls) within ssDNA (wireframe) PDB 110D
	1.2 Peptidic and Proteohormones
			Transforming growth factor beta (white "coat") PDB 1TFG
	1.3 Peptidic Toxins
			Choleratoxin beta subunit-pentamer (backbone) + glycane moieties on interacting target cell surface proteins (atomic balls) PDB 1CHB
	Ligand-Binding Proteins ('Large Molecules') 2 Enzymes
			RNase inhibitor (white backbone) + RNase (magenta backbone) PDB 1A4Y
	3 Membrane Receptors
			Rhodopsin (backbone)+ all-trans Retinal (wireframe, oxygen: magenta atom balls, nitrogen: white atom ball) PDB 1BRD
			Human growth hormone (HGH) (magenta backbone) complexed between two extracellular domains of two HGH receptors (grey backbones), their transmembrane helices shown schematically PDB 3HHR
	4 Signal Transduction Proteins
			Calmodulin (grey backbone) + 4 Ca 2+ (magenta atom balls) + contacting helix of myosin light chain kinase (white atom balls) PDB 1CDL
	5 Multimodular Adhesion Proteins
			Fibronectin modules (grey and magenta backbone), one with RGD motif (atom balls) PDB 1FBR
	6 DNA-Binding Proteins
			Tumor supressor protein p53-dimer (one monomer shown as grey atom balls, the other as magenta backbone) + dsDNA (wireframe) PDB 1TSR
	7 Immunological Proteins
			Antibody Fab fragment (backbone to the left) + HIV gp120 (magenta wireframe, center) + CD4 (white wireframe) PDB 1GC1
	8 Miscellaneous Macromolecules
			Proteasomal complex (white 'coat') PDB 1PML