pQ-4

Ancestors

All plasmids

pTrc99A

pQ-4

Main features

ald_Gs

Selection marker:

Ampicillin

Modifications

Gene	Organism	Modification
*alaD*	Geobacillus stearothermophilus	Overexpression

Strains harboring plasmid pQ-4

Escherichia coli M-8

References

Pengfei Gu, Qianqian Ma, Shuo Zhao, Qiang Li & Juan Gao (2023). Alanine dehydrogenases from four different microorganisms: characterization and their application in L-alanine production. Biotechnology for Biofuels and Bioproducts.