Chelating ligands are commonly formed by linking donor groups via organic linkers. Frequently development tools such as compilers, linkers, and debuggers are classified as system software. Nonlinear elasticity of stiff biopolymers connected by flexible linkers. After ligating RNA linkers to the RNA 5' ends, cDNA is synthesized via RT-PCR. DM1 and its attachment via these linkers result from ImmunoGen Inc research. Disordered regions are often found as flexible linkers or loops connecting domains. The conserved domains are connected by long stretches of unstructured linkers. Short-chained ether linkers are preferred. Turns are sometimes found within flexible linkers or loops connecting protein domains. The paddlewheel is build up of four benzene-1,3,5-tricarboxylate linkers molecules, which bridge two metal centers. The BASIC assembly standard provides several linkers embedded with RBS of different strengths. These linkers form the basis of assembling the DNA parts together. Three major types of linkers are flexible, rigid, and in vivo cleavable. The 5'UTR structure consists of series of stem-loop structures connected by small linkers. These linkers can appear before or after the modifier.