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Figure 3 | BMC Bioinformatics

Figure 3

From: BSMAP: whole genome bisulfite sequence MAPping program

Figure 3

BSMAP algorithm. A) Bisulfite seed table, using the original seed and bisulfite variants as keys and corresponding coordinates in the reference genome as values. Each read was looked up in the seed table for potential mapping positions. B) A positional specific mask of the corresponding reference sequence was generated by setting 01 to C(light blue) and 11 to A, G, T(black). The original read was masked by a bitwise AND operation with the positional specific mask. C) The reference sequence and the masked read were compared with a bitwise XOR operation. Non-zero XOR results were counted as mismatches (red). Bisulfite alignment is marked in green.

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