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what is bam format file flag 0x2 mean?

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I find the sam PDF,and want to understand flag 0x2,but I can not understand. where have some detailed instructions for it ?

bam flag sam

1 answer

in a paired end, both fragments are mapped on the same contig, anti-parallel to the other, at a good distance.

see slide 33 of https://www.slideshare.net/lindenb/next-generation-sequencing-file-formats-2017

Thanks a million.

For Hi-C reads which two parts of the read could be separated far apart, will it be labelled as "properly paired"?

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