Keywords
alpha helix, artwork, beta sheet, biochemical, biochemistry, biological, biology, black background, cell division, genetics, gtp synthesis, h-ras, h-ras p21 oncogene, healthcare, hras, illustration, medical, medical illustration, medicine, model, molecular, molecular model, molecular structure, molecule, no-one, nobody, p21, protein, proteomics, ras, regulating, regulation, regulator, research, strand, structure, tertiary structure, transforming protein 21, stock illustration, royalty free illustrations, stock clip art icon, stock clipart icons, logo, line art, EPS picture, pictures, graphic, graphics, drawing, drawings, vector image, artwork, EPS vector arts, fine art prints, print, poster, posters, mural, wall murals, u12384230