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Table 5 Average length, measured by the number of residues and average percentage of sequence identity computed after Needleman-Wunsch alignment of the sequences of the two proteins

From: Protomers of protein hetero-oligomers tend to resemble each other more than expected

Data set Average length Average % sequence identity
Homo-dimers 250.0 (2.5) 99.8 (0.1)
Homo-trimers 237.4 (4.1) 99.9 (0.1)
Homo-tetramers 268.3 (1.9) 99.9 (0.1)
Hetero-dimers 196.6 (5.6) 8.5 (0.4)
Hetero-trimers 212.5 (7.2) 9.6 (0.5)
Hetero-tetramers 173.8 (6.2) 9.2 (0.5)
Random set 1 233.5 (3.3) 7.2 (0.2)
Random set 2 236.8 (3.4) 7.1 (0.1)
Random set 3 222.8 (3.4) 6.9 (0.1)
Random set 4 228.4 (3.3) 7.3 (0.1)
Random set 5 234.1 (3.3) 7.0 (0.2)
Random set 6 216.5 (3.4) 6.9 (0.1)
Monomer set 1 175.4 (2.3) 7.7 (0.1)
Monomer set 2 186.0 (2.3) 7.8 (0.1)
Monomer set 3 176.1 (2.3) 6.9 (0.1)
Monomer set 4 196.1 (2.4) 8.2 (0.1)
Monomer set 5 174.7 (2.3) 8.5 (0.2)
Monomer set 6 195.3 (2.3) 8.9 (0.2)