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. 1998 Apr 6;141(1):199–208. doi: 10.1083/jcb.141.1.199

Table III.

Amino Acid Comparisons of ZO-1, ZO-2, and ZO-3

ZO-3/ZO-1 ZO-3/ZO-2 ZO-1/ZO-2
Start 80(80) 89(89) 56(56)
PDZ1 57(72) 61(76) 71(82)
Link 25(54) 27(53) 29(53)
PDZ2 50(72) 55(74) 65(86)
Link 34(46) 29(48) 39(55)
PDZ3 63(81) 59(75) 70(86)
Link 53(82) 35(65) 53(76)
SH3 58(76) 59(80) 69(85)
Link 55(74) 53(76) 72(84)
GUK 52(69) 52(71) 67(82)
Link 26(42) 16(47) 47(58)
Acid 43(60) 51(61) 60(71)
End 17(41) 24(41) 25(43)

Amino acid sequences in the indicated domains of human ZO-1 (44) and canine ZO-3 and ZO-2 (7) compared by the GCG GAP alignment program. Percent identity (percent similarity = percent identity + percent conserved substitutions).