Figure 2.

Hypothetical example of the structural alignment of proteins (A) (sequence AVCQYWC) and (B) (sequence ACYARTYC). Number of residue-residue matches = 5, number of residue-residue matches relative to the length the longest chain = 63% (5/8), sequence identity = 80% (4/5).

Ponomarenko and Bourne BMC Structural Biology 2007 7:64   doi:10.1186/1472-6807-7-64
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