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Table 1 Path recombinations that are used to compute the DCJ-indel distance

From: DCJ-indel and DCJ-substitution distances with distinct operation costs

  Sources Resultants Δλ Δ DCJ Δ DCJ-λ   Sources Resultants Δλ Δ DCJ Δ DCJ-λ
o -2 A A A B +B B A B ∙+∙ −2 0 −2w       
       n -2 A A A B +A A A B A A A +A A B −2 1 1−2w
o -1 A A A +B B A B +A B A B −1 0 w n -2 B B A B +B B A B B B A +B B B −2 1 1−2w
o -1 B B A +A A A B +A B B A −1 0 w n -2 A A A B +A B A B +A A A −2 1 1−2w
o -1 A A B +B B A B +A B B A −1 0 w n -2 A A A B +A B B A +A A B −2 1 1−2w
o -1 B B B +A A A B +A B A B −1 0 w n -2 B B A B +A B A B +B B B −2 1 1−2w
o -1 A A A +B B A ∙+∙ −1 0 w n -2 B B A B +A B B A +B B A −2 1 1−2w
o -1 A A B +B B B ∙+∙ −1 0 w n -2 A B A B +A B B A ∙+∙ −2 1 1−2w
n -1 A A A +A B B A +A A A B −1 1 1−w n -1 B B A +A B A B +B B A B −1 1 1−w
n -1 A A B +A B A B +A A A B −1 1 1−w n -1 B B B +A B B A +B B A B −1 1 1−w
  1. Recombinations of type o - 2 (optimal with Δλ=−2), o - 1 (optimal with Δλ=−1) and n - 2 (neutral with Δλ=−2) can have Δ DCJ - λ <0. Recombinations of type n - 1 (neutral with Δλ=−1) have Δ DCJ - λ =1−w≥0, but produce an AA A B or a BB A B path.