Table 1: A diagrammatic representation of the role of SNP in gene function that can affect the enzyme activity by changing amino acids.

Functional SNPs	Location in gene	SNP position	Amino acid change	Importance of SNPs	References
Indel in exon 8	VrTAF5 LOC106765332	250	Serine to theorine	Protect Cercospora leaf spot fungus disease in Mung bean	Yundaeng, et al. [44]
Rv-680	TraesCS2B01G51310	C / T	Alanine to Valine	combating yellow rust caused by Puccinia striiformis f. sp. tritici (Pst) in wheat	Wu, et al. [45]
AX108806204		G/A	Alanine to Threonine
AX-111730867		G/A	Glutamate to Lysine
First exon	Glyma08g11490	389 G/C	Arginine to Proline	Responsible for soybean cyst nematode resistance	Liu, et al. [49]
Second exon	Glyma08g11490	1,165 A/T	Tyrosine to Asparagine	Responsible for soybean cyst nematode resistance	Liu, et al. [49]
One functional	LYCE gene	1295 G/T	Tryptophan to Leucine	Increases levels of β-carotene in cassava plants	Udoh, et al. [19]
One functional SNP	endo-1,4-β-glucanase gene		Change function of enzyme	Responsible for the formations of rigidity and impermeability for the seed of Soybean	Jang, et al. [15]
Two functional SNP	BrpHL1a gene	274T/C and 403T/G	formation tryptophan-92 residue	For insect resistance in Brassica spp.	Zhang, et al. [29]