There is also no way to view the raw data signal. A major downside of 4Peaks is that the quality score bars are shown in the background which creates confusion when viewing the quality and chromatogram in the same window. Traces appear sharper when viewed through 4Peaks compared to other chromatogram viewing programs, which allows for a easy viewing. CostĤPeaks boasts that it is able to “render peaks better than anyone else”. One handy feature is the speech function where 4Peaks will verbally read out the sequence of the file so you can follow along while looking at another sequence to compare differences. You also have the ability to translate the DNA sequence into the amino acid sequence across 3 separate frames. The program is full of nifty features, you have the ability to open a separate txt window containing the sequence and select from the peaks/txt file at the same time to compare specific regions. Using 4Peak DNA sequence viewer to check DNA sequence against DNA data bases - YouTube Kenneth P Mitton PhD FARVO, Eye Research Institute, Oakland University. This function is not available in 4Peaks. ABI limits (regions outside of clear range region are displayed in grey) It is possible to edit, insert and delete bases in 4Peaks. However, it will take you into a separate web browser. You can run a BLAST search through 4Peaks. It is possible to manually select areas to trim at the 3′ and 5′ ends. Through the quality overview function you can trim below a set quality value. Input file formatsĪBI, SCF, ALF, PLN, EXP, ZTR, BIO and TXT. 4Peaks does not contain any features for DNA alignment or assembly. There is now way to view the raw data in 4Peaks. Quality scores are presented as blue bars behind the peaks and at the top of the window when a peak is selected. Supported platforms: MacOSX 10.7 or later
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