SRR6963468 454Reads.PR.sff PR SRR6963469 454Reads.PS.sff PS SRR6963470 454Reads.PF.sff PF SRR6963471 454Reads.PL.sff PL SRR6963472 454Reads.RS.sff RS SRR6963473 454Reads.WP.sff WP