Hi Shafagat, Thanks for information. While following Mothur MiSeq SOP i did not get, split and again making groups. I have a file of FASTQ. I tried process by the following link..https://www.jove.com/video/51709/next-generation-sequencing-of-16s-ribosomal-rna-gene-amplicons.
I am trying SRA experiment file (ERX1425102) with Mothur.