Finally, a graphic interface controls the visual output of the model using a molecular modeling tool called NGL Viewer. It is responsible for understanding what the user inputs, how the output is organized, and manages everything done in the back by C++.
#Online dna model builder code#
Next, code written in Python acts as the first “translator” of sorts. This code moves around the atoms, twists the molecule, and calculates the energies of each bond. Most of the “back work” done by the program is written in a widely used programming language called C++. Now let’s take a look at what code is doing all of this hard work. The program generates structures that follow our instructions, while still being comfortable enough to be stable in real life. If the forces working against the bonds are greater than the ones holding them together, the molecule would fall apart. This means that it goes to each of the bonds and measures the forces acting against them. It does this by determining the energy of the molecule. If the molecule checks all the boxes, the program then decides if it is stable enough to exist. Once it has the blueprint, the program starts twisting and turning the structure until everything fits together. Next, the user can give the dimensions they want the staircase to have. The user may also decide the order of the bases and the number of strands (such as the two in DNA). These bases could be A,G,C,T, or any 3D structures that fit in similar spaces. Let’s go through the process of how the program works its magic.įirst, the program asks the user to input what bases they wish to use. This program is able to predict possible XNA structures when given some starting information. In order to broaden our understanding of what genetic material may look like, scientists at the Georgia Institute of Technology created the proto-Nucleic Acid Builder (pNAB). XNAs can also contain different bases than the four we normally see. XNAs are man-made chemical structures that usually have different types of sugar-phosphate backbones than normal DNA. Scientists have recently taken interest in studying structures very similar to DNA, called XNAs. The four bases that make up all of our DNA are adenine (A), guanine (G), cytosine (C), and thymine (T). The steps or rungs of the ladder are made of different ring structures called nitrogenous bases. The handles of the ladder are made of sugar and phosphorus, which twist neatly into the familiar structure known as a double helix.
Ever since its discovery, the spiral staircase structure of DNA has become iconic in its own right.
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