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During the course of the docking process, the ligand and the protein adjust their conformation to achieve an overall "best-fit" and this kind of conformational adjustment resulting in the overall binding is referred to as "induced-fit". [5] Molecular docking research focuses on computationally simulating the molecular recognition process.
Despite the high morbidity and mortality rates that resulted from the epidemic, the Spanish flu began to fade from public awareness over the decades until the arrival of news about bird flu and other pandemics in the 1990s and 2000s. [320] [321] This has led some historians to label the Spanish flu a "forgotten pandemic". [177]
Several protein–ligand docking software applications that calculate the site, geometry and energy of small molecules or peptides interacting with proteins are available, such as AutoDock and AutoDock Vina, rDock, FlexAID, Molecular Operating Environment, and Glide. Peptides are a highly flexible type of ligand that has proven to be a ...
The most common technique used in many docking programs, shape-complementarity methods focus on the match between the receptor and the ligand in order to find an optimal pose. Programs include DOCK, [3] FRED, [4] GLIDE, [5] SURFLEX, [6] eHiTS [7] and many more. Most methods describe the molecules in terms of a finite number of descriptors that ...
This so-called "fusion peptide" that was released as pH is lowered, acts like a molecular grappling hook by inserting itself into the endosomal membrane and locking on. Then, HA2 refolds into a new structure (which is more stable at the lower pH), it "retracts the grappling hook" and pulls the endosomal membrane right up next to the virus ...
Many theories about the origins and progress of the Spanish flu persisted in the literature, but it was not until 2005, when various samples of lung tissue were recovered from American World War I soldiers and from an Inupiat woman buried in permafrost in a mass grave in Brevig Mission, Alaska, that significant genetic research was made possible.
Docking glossary Receptor or host or lock The "receiving" molecule, most commonly a protein or other biopolymer. Ligand or guest or key The complementary partner molecule which binds to the receptor. Ligands are most often small molecules but could also be another biopolymer. Docking Computational simulation of a candidate ligand binding to a ...
Transcription preinitiation complex, represented by the central cluster of proteins, causes RNA polymerase to bind to target DNA site. The PIC is able to bind both the promoter sequence near the gene to be transcribed and an enhancer sequence in a different part of the genome, allowing enhancer sequences to regulate a gene distant from it.