wget ftp://ftp-trace.ncbi.nlm.nih.gov/sra/sra-instant/reads/ByExp/sra/SRX/SRX685/SRX685461/SRR1556383/SRR1556383.sra -O PH-WT_ChIP-seq-GSM1485019.sra
wget ftp://ftp-trace.ncbi.nlm.nih.gov/sra/sra-instant/reads/ByExp/sra/SRX/SRX685/SRX685462/SRR1556384/SRR1556384.sra -O PH-WT_ChIP-seq-GSM1485020.sra
wget ftp://ftp-trace.ncbi.nlm.nih.gov/sra/sra-instant/reads/ByExp/sra/SRX/SRX685/SRX685465/SRR1556387/SRR1556387.sra -O PH-WT_input-GSM1485023.sra
wget ftp://ftp-trace.ncbi.nlm.nih.gov/sra/sra-instant/reads/ByExp/sra/SRX/SRX685/SRX685466/SRR1556388/SRR1556388.sra -O PH-WT_input-GSM1485024.sra