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

Table II.

Amino Acid Comparison of MAGUK Domains of ZO-1, ZO-2, ZO-3, dlg-A, and TamA

ZO-3 ZO-1
PDZ1 ZO-1 57(72)
ZO-2 61(76) 71(82)
TamA 46(66) 63(78)
dlg-A 35(60) 44(68)
PDZ2 ZO-1 50(72)
ZO-2 55(74) 65(86)
TamA 31(57) 43(71)
dlg-A 22(30) 44(78)
PDZ3 ZO-1 63(81)
ZO-2 59(75) 70(86)
TamA 48(68) 48(69)
dlg-A 42(66) 42(69)
SH3 ZO-1 58(76)
ZO-2 59(80) 69(85)
TamA 41(62) 53(76)
dlg-A 34(58) 29(58)
GUK ZO-1 52(69)
ZO-2 52(71) 67(82)
TamA 40(66) 43(68)
dlg-A 34(53) 31(54)
Overall ZO-1 47(64)
ZO-2 47(65) 51(67)
TamA 34(57) 31(52)
dlg-A 27(48) 26(47)

Amino acid sequences in the indicated domains of human ZO-1 (44), canine ZO-3, ZO-2 (7), Drosophila dlg-A (46), and TamA (41), compared by the GCG GAP alignment program. Percent identity (percent similarity = percent identity + percent conserved substitutions).