status: dec. 2000

demo IMAGES for Chlorophyll A all screenshots are prepared from WebLab Viewer Lite program windows DISPLAY STYLES   (usually offered by most of the chemical structure viewers and editors) A. wireframe or sticks     atom bonds colored by the elements are shown as lines or cylinders B. ball and stick     atom bonds are shown as lines and atomic centers as scalable spheres or from charge ranges (no image) C. CPK or space filling display     space demands are calculated from the van der Waals radii (atom radii) or from charge ranges D. DOT surface     too return space demands of the van der Waals radii or charge ranges E. surface model     are similar to CPK and DOT models, but usually show smooth surface. A typical example is the SAS, the Solvent Accessible Surface

what is Chlorophyll ? the Chlorophyll is a molecule found in nearly any kind of green plant. Functionally it initialises the process of energy collection in that it is able to pass the energy of captured sun light into a cascade of moving electrons (=current). Chlorophyll is therefore one of the most important organic molecules known on this planet.

wireframe structure displayed with the active center around magnesia (Mg) and four nitrogens (N) (yellow=selected). The embedded window shows how to quickly change some of the Display Styles. Click on the window to enlarge the WebLab Viewer Lite window.

DOT surface the points indicate volume of the structure i.e. the van der Waal atomic radii. Embedded sticks show all of the atomic bonds

CPK - space filling model 3D View in VRML spheres with van der Waal atomic radii. Lightning is applied for a better 3D impression     color code:     grey: carbon     white: hydrogen     red: nitrigen     blue: oxygen     green: magnesia

surface model   here: solvent accesible surface smooth surface is left transparent for easier assignment to atomic centers Letters indicate the presence of chiral or asymetric centers.

back to molecules in 3D



Juergen Koening,   dec 2000   koening@chemie.fu-berlin.de

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