SRR3740961 JGI-SRA-16442 JGI-SRA-16442 loader latf-load run_id 2161 nominal_length 0.5 SRR3740962 JGI-SRA-16443 JGI-SRA-16443 loader latf-load run_id 2161 nominal_length 0.5 SRR3740963 JGI-SRA-16444 JGI-SRA-16444 loader latf-load run_id 2161 nominal_length 0.5