In Silico Analysis of 𝜷-Galactosidases Primary and Secondary Structure in relation to Temperature Adaptation

Table 1

Some 𝛽-galactosidase producing microorganisms and their optimum temperature for catalysis.

S/Number	Organism	UniProt Id	Temp. (°C)	pH	References
Thermophiles
1	Thermotoga  maritima	Q56307	85	6.5	[12]
2	Sulfolobus  solfataricus	P22498	75	6.5	[11]
3	Alicyclobacillus  acidocaldarius  subsp.  acidocaldarius	C8WV58	65	5.5	[9]
4	Thermus  sp.	O54315	70	6.5	[13]
5	Geobacillus  kaustophilus	P19668	70	7.0	[10, 14]
6	Thermus  brockianus	Q9X6C6	70	7.0	[15]
Psychrophiles
1	Arthrobacter  sp.	Q44233	10	6.6	[16]
2	Arthrobacter  sp.  B7	Q59140	10	6.6	[17]
3	Arthrobacter  sp.	C7ASJ5	10	7.2	[18]
4	Arthrobacter  psychrolactophilus	Q08KN3	10	6.5	[7]
5	Arthrobacter  sp.  SB  GN = lacZ	Q7WTU5	10	7.0	[19]
6	Arthrobacter  sp.  C2-2	Q8KRF6	10	8.0	[20, 21]
Mesophiles
1	Bacillus  subtilis  (strain  168) O07012	O07012	30–40	6.5	[22]
2	Escherichia  coli  K12P00722	P00722	30	7.0	[23]
3	Lactococcus  lactis  subsp.  lactis	Q48727	30	6.0	[24]
4	Yersinia  pestis	Q7CIZ3	30	6.5	[25]
5	Bacillus  licheniformis  ATCC14580	Q65CX4	30	6.5	[26]
6	Lactobacillus  delbrueckii  subsp.  bulgaricus	P0C1Y0	30	6.0	[27]