GenicBio can start your project from gene synthesis (free codon optimization) to protein production / purification, refolding and endotoxin degression. GenicBio saves your time and accelerates your research by providing the most thoughtful scheme and services of protein expression / purification or other related items. $1,525 for 5-10 mg,>90% purity, Affinity-tagged protein (HIS, GST and MBP); Gene synthesis: $0.60/bp; Vector construction Removal of affinity tag Protein refolding Decreasing protein toxicity