bed file format

[Subhajyoti]

The Epigenetic Roadmap .bed files have the following format

chr1 9877 10076 FC30EDEAAXX:7:66:986:1467 -
chr1 16292 16491 FC30EDEAAXX:7:3:579:363 -

What do the entities FC30EDEAAXX -:- 7 -:- 66 -:- 986 -:- 1467 indicate?

[lindenb]

it looks like the name of an Illumina short-read: https://en.wikipedia.org/wiki/FASTQ_...ce_identifiers

[GenoMax]

BED format only has three required fields (first three in your example): https://genome.ucsc.edu/FAQ/FAQformat.html#format1

Next set of data appears to be part of illumina read ID's (starting with the flowcell ID field): http://support.illumina.com/help/Seq...FASTQFiles.htm