. 2008 May 23;4(5):e1000086. doi: 10.1371/journal.pcbi.1000086

Table 1. Amino acid requirements (H₁ and H₂) for synthesis of protein (a_iH₁+b_iH₂ → Protein_i).

Protein_i	a_i	b_i	Protein_i	a_i	b_i
	10	20		15	15
	10	25		20	10
	13	18		18	13
R₁	20	40	S₁	30	30
T₁	25	35	IS₁	35	35
R₂	25	45	S₂	30	40
T₂	25	55	IS₂	35	45
R₃	15	55	S₃	15	25
T₃	20	20	IS₃	10	30

The variables Inline graphic represent the enzymes for the reactions synthesizing H₂, R₁, R₃, S₁, and S₂, respectively, within the metabolic network. The other proteins can be found in Figure 1 and participate in signaling functions.

Table 1. Amino acid requirements (H1 and H2) for synthesis of protein (aiH1+biH2 → Proteini).

Table 1. Amino acid requirements (H₁ and H₂) for synthesis of protein (a_iH₁+b_iH₂ → Protein_i).