wget ftp://ftp-trace.ncbi.nlm.nih.gov/sra/sra-instant/reads/ByExp/sra/SRX/SRX256/SRX2564128/SRR5259249/SRR5259249.sra -O Nup98_S2-GSM2491983.sra
wget ftp://ftp-trace.ncbi.nlm.nih.gov/sra/sra-instant/reads/ByExp/sra/SRX/SRX256/SRX2564130/SRR5259250/SRR5259250.sra -O Nup98_S2_OE-GSM2491984.sra
wget ftp://ftp-trace.ncbi.nlm.nih.gov/sra/sra-instant/reads/ByExp/sra/SRX/SRX256/SRX2564132/SRR5259251/SRR5259251.sra -O Input_S2-GSM2491985.sra