Sitting drop crystallization
Sitting drop
vapor diffusion
Using mosquito xtal3® for setting up vapor diffusion techniques has distinct advantages in multiple user research laboratories and academic groups, as both set-ups are easily automated without the need for changes in instrument configuration.
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Microbatch (Under-oil)
The multi-aspirate, dispense and drop mixing capabilities of mosquito crystal are perfect for microbatch set up. These enable both protein and screen solutions to be aspirated consecutively within the same tip and then be pipetted directly through oil to ensure that screen and protein drops always combine.
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Micro-Seeding
Seeding or micro matrix seeding (MMS) is a well-established method used to improve the quality and reproducibility of protein crystals. mosquito's plate set-up time is less than 3 minutes to create multiple aspiration.
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Additive screening
mosquito's unique true positive displacement pipettes combined with its multi-aspirate function allows users to access volumes down to 10 nL. Not only does this save on precious ligands/compounds, the contact dispensing ensures precise placement within the crystallization drops.
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Crystal soaking
Soaking protein crystals with ligands is the fastest route to produce high-throughput structures for fragment based drug discovery. mosquito can be used to prepare small soaking drops of DMSO based fragment libraries directly from stock plates. Small volumes of this diluted solution can then be introduced to the drop containing the crystal to save on time and ligand stock used.
Explore our product rangeHanging drop crystallization
Bicelles
By maintaining a cold environment and pre-chilling the sample holder block it is possible to use mosquito crystal to accurately and easily pipette the bicelle solution, thereby facilitating the automation of screening for this lipidic based technique of membrane protein crystallization.
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Lipidic Cubic Phase (in-meso)
The Lipidic Cubic Phase (LCP) or in-meso technique for crystallizing membrane proteins has revolutionized structural studies of difficult targets such as G protein-coupled receptors (GCPRs). For handling Lipidic Cubic Phase (LCP) methods, mosquito® LCP combines four important aspects:
- reduction of sample size down to nanolitre volumes
- speed (about 4 minutes to complete a single 96-well LCP plate)
- accuracy and repeatability
- precise humidity control of the dispensing environment
mosquito LCP allows crystallography researchers to dispense Lipidic Cubic Phase (LCP) volumes as low as 30 nL, while automated calibration of syringe and pipette positioning ensures exceptionally precise drop-on-drop placement.
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Crystal screen optimization
Optimizing protein crystallization hits to improve diffraction is a challenging process, and identifying optimal conditions i.e. temperature, pH range, precipitants and concentration range of the buffer is particularly costly and time-consuming. The process involves the set-up of multiple studies to analyze each individual parameter so automating the preparation of complex gradients from stock solutions saves time, improves repeatability and increases the output of high resolution structures.
dragonfly crystal delivers accurate and repeatable results and its novel technology easily dispenses any volume into any well to streamline crystallization workflows and eliminate the risk of cross-contamination.
Explore dragonfly crystalMeet our Field Application Scientists
Our Field Application Scientists will help you to advance your research goals throughout the life of your instrument, optimizing for the applications you need and harnessing its full potential. As specialists in a range of disciplines from structural biology to genomics, the team ensures that the protocols for your applications are scientifically robust, giving you the confidence to pursue novel approaches. Working closely with customers, Field Application Scientists eliminate bottlenecks and streamline workflows to enable successful research outcomes.
