Big Chain

Other names: bigChain

The bigChain format describes a pairwise alignment that allow gaps in both sequences simultaneously, just as chain files do; however, bigChain files are compressed and indexed as bigBeds. Chain files are converted to bigChain files using the program bedToBigBed, run with the -as option to pull in a special autoSql (.as) file that defines the fields of the bigChain.



sequence alignment

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