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. 2008 Nov 7;283(45):30964–30969. doi: 10.1074/jbc.M806242200

TABLE 3.

Characteristics of Group I and II CTDs

Listed are the number of residues in each CTD and the residue location of the PPXY sequence that is present in 9 of the 11 Group I proteins.

Total length PPXY
Group I
C. familiaris 1 281 142
D. rerio 1 60
D. rerio 2 58
G. gallus 1 272 139
H. sapiens 1 276 142
M. mulatta 279 142
M. musculus 277 142
R. norvegicus 1 277 142
X. laevis 1 250 126
X. laevis 2 262 176
X. tropicalis 205 72
Group II
B. taurus 2 100
C. familiaris 2 109
H. sapiens 2 96
M. musculus 2 75
R. norvegicus 2 75