5500 W FWD Sequencing Reagent (SR) kits contain the phosphatase and probes needed for ligation sequencing with 2-base encoded (2BE) probes on the 5500 W series genetic analyzers. The 5500 W FWD SR75 Kit consists of an 8-well striptube that contains sufficient phosphatase and probes to run up to 510 cycles and is best configured for sequencing read-lengths up to 75 bases with a 10-base barcode for 6 lanes.