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Table 1 Average abundance of different amino acids in plant proteome. Leu was high abundant whereas Trp was the low abundant amino acid in the plant kingdom. The average amino acid composition includes 5.8 million protein sequences from 145 plant species

From: The molecular mass and isoelectric point of plant proteomes

Biosynthetic pathways/Substrate

Amino acids

Average abundance (%) in Proteome

α-Ketoglutarate

Arginine

6.68

Glutamate

6.43

Glutamine

3.74

Proline

5.10

Pyruvate

Alanine

7.68

Isoleucine

4.94

Leucine

9.62

Valine

6.55

3-Phosphoglycerate

Glycine

6.80

Cysteine

1.85

Serine

8.71

Oxaloacetate

Asparagine

4.13

Aspartate

5.32

Lysine

5.73

Methionine

2.40

Threonine

4.90

Phosphoenolpyruvate & Erythrose 4-phosphate

Phenylalanine

3.97

Tryptophan

1.28

Tyrosine

2.67

Ribose 5-phosphate

Histidine

2.4