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Table 1 First benchmark of amino acids sequences in HP model [9]

From: Protein folding prediction in the HP model using ions motion optimization with a greedy algorithm

Sequence length E *1 Amino acids sequence*2
1 20 -15 (101001)20110(01)2
2 24 −17 1(100)21(001)51
3 25 −12 (001)2(100001)31
4 36 −24 0(0011)2(0)5(1)7(001100)2100
5 48 −43 001(0011)2(0)5(1)10(0)6(1100)2100(1)5
6 50 −41 1(10)4(1)4(0100)300(1000)210111(10)411
7 60 001110(1)8000(1)1001000(1)12(0)4(1)4011010
8 64 (1)12(01)20(1100)2(1001)2(100)2(1100)2(10)2(1)12
  1. *1E is the best energy [7] value in 2D HP model. E was defined to the number of H-H contacts h, i.e., E = − |ε| h, where |ε| is a positive constant. The units of energy E is |ε|. For simplification, E is calculated by the following formula as described previously [9, 10] as mentioned in formula (1) to (3)
  2. *2 0 represents hydrophobic (H); 1 represents polarity (P) in amino acids sequence; (…)i represents i-fold repetitions of the respective subsequence in data