1291 Standard Flowgram Format Dataset Standard flowgram format (SFF) is a binary file format used to encode results of pyrosequencing from the 454 Life Sciences platform for high-throughput sequencing. 186 Australian National University / Australian National University 26 Feb 2013 26 Feb 2013 fmt/504 PUID sff File extension 779 Standard Flowgram Format BOF: 4byte magic number .sff, 4byte version number 00 01 1 Absolute from BOF 0 0 2E73666600000001