Research Article
Adaptation and Constraint in the Atypical Chemokine Receptor Family in Mammals
Table 1
Likelihood ratio test statistics for models of variable selective pressure among sites.
| Gene | Model | Parameters | Models compared | LRT(2Δl) | P-value | df | Positively selected sites (BEB) |
| ACKR1 | M0 | ω0=0.43574 | M0 vs M3 | 534.02 | 0.0000 | 4 | | | M3 | ω0=0.03476 ω1= 0.35759 ω2= 1.15972 | | | | | | | | p0= 0.23127 p1= 0.47276 p2= 0.29597 | | | | | | | M1a | ω0=0.16327 ω1=1.00000 | M1a vs M2a | 0 | 1.0000 | 2 | | | | p0=0.55005 p1=0.44995 | | | | | | | M2a | ω0=0.16327 ω1= 1.00000 ω2=1.00000 | | | | | | | | p0=0.55005 p1=0.28372 p2=0.16623 | | | | | | | M7 | p =0.53074 q=0.60339 | M7 vs M8 | 21.26 | 0.0000 | 2 | 154 | | M8 | p0=0.85617 p=0.68793 q=1.15451 | | | | | | | | p1=0.14383 ω=1.45019 | | | | | | ACKR2 | M0 | ω0=0.20556 | M0 vs M3 | 652.48 | 0.0000 | 4 | | | M3 | ω0=0.01987 ω1=0.21352 ω2= 0.77475 | | | | | | | | p0= 0.34607 p1=0.48100 p2= 0.17293 | | | | | | | M1a | ω0=0.12737 ω1=1.00000 | M1a vs M2a | 0 | 1.0000 | 2 | | | | p0=0.79265 p1=0.20735 | | | | | | | M2a | ω0=0.12737 ω1= 1.00000 ω2=1.00000 | | | | | | | | p0=0.79265 p1=0.18741 p2=0.01994 | | | | | | | M7 | p =0.52179 q=1.61923 | M7 vs M8 | 8.88 | 0.0117 | 2 | | | M8 | p0=0.97423 p=0.59529 q=2.13409 | | | | | | | | p1=0.02577 ω=1.39256 | | | | | | ACKR3 | M0 | ω0=0.04691 | M0 vs M3 | 569.64 | 0.0000 | 4 | | | M3 | ω0=0.00786 ω1=0.12501 ω2= 0.49733 | | | | | | | | p0= 0.71583 p1=0.24584 p2=0.03833 | | | | | | | M1a | ω0=0.03806 ω1=1.00000 | M1a vs M2a | 0 | 1.0000 | 2 | | | | p0=0.95014 p1=0.04986 | | | | | | | M2a | ω0=0.03806 ω1= 1.00000 ω2=28.52785 | | | | | | | | p0=0.95014 p1=0.04986 p2=0.00000 | | | | | | | M7 | p =0.24148 q=3.44384 | M7 vs M8 | 7.78 | 0.0204 | 2 | | | M8 | p0=0.98766 p=0.27944 q=5.15904 | | | | | | | | p1=0.01234 ω=1.00000 | | | | | | ACKR4 | M0 | ω0=0.12972 | M0 vs M3 | 416.55 | 0.0000 | 4 | | | M3 | ω0=0.03081 ω1=0.32186 ω2=1.16947 | | | | | | | | p0= 0.65355 p1=0.33146 p2=0.01499 | | | | | | | M1a | ω0=0.08280 ω1=1.00000 | M1a vs M2a | 0 | 1.0000 | 2 | | | | p0=0.84629 p1=0.15371 | | | | | | | M2a | ω0=0.08280 ω1= 1.00000 ω2=31.41467 | | | | | | | | p0=0.84629 p1=0.15371 p2=0.00000 | | | | | | | M7 | p =0.41473 q=2.39665 | M7 vs M8 | 5.54 | 0.0626 | 2 | 139 | | M8 | p0=0.99543 p=0.43468 q=2.65383 | | | | | | | | p1=0.00457 ω=1.77610 | | | | | |
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