Metabolic engineering of Corynebacterium glutamicum for efficient production of succinate from lignocellulosic hydrolysate

Table 2 Codon usage analysis of xylA and xylB orthologs from different sources

Gene	Source	Gene symbol	Protein size (kDa)	Codon usage
Gene	Source	Gene symbol	Protein size (kDa)	Rarely used codons	Very rarely used codons
xylA	E. coli	b3565	47.5	7	1
	P. polymyxa	PPSC2_c4572	52.2	7	2
	S. coelicolor	SCO1169	41.8	23	0
	X. campestris	XC_2477	49.2	5	0
xylB	E. coli	b3564	52.3	29	2
	P. polymyxa	PPSC2_c4571	54.8	17	2
	S. coelicolor	SCO1170	51.9	26	0
	X. campestris	XC_2478	54.8	5	0

‘Very rarely used codons’ and ‘Rarely used codons’ indicate codons represented at less than 10% or 20% in the codon usage table of C. glutamicum (http://www.kazusa.or.jp/codon/cgi-bin/showcodon.cgi?species=196627&aa=1&style=N)

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