The ycgQ protein is encoded by the ycgQ gene (Uniprot ID: P94394) in Bacillus subtilis, annotated as a hypothetical protein (BSU03240). Its recombinant form is produced using bacterial expression systems, often with modifications for purification and stability. Key features include:
Gene Name: ycgQ
Protein Length: Full-length sequence spans 285 amino acids (1–285aa) .
Host Systems: Expressed in E. coli, yeast, baculovirus systems, or cell-free platforms .
Tagging: Frequently N-terminal His-tagged for affinity chromatography .
Purity: Achieves >85% to >90% purity via SDS-PAGE validation .
While Bacillus subtilis is a model organism for recombinant protein secretion (e.g., Sec and Tat pathways) , ycgQ is predominantly expressed in E. coli due to its simpler genetic manipulation and high yield. Key production strategies include:
Hosts: E. coli (most common), yeast, baculovirus, or mammalian cells .
Tagging: His-tag for purification; no reported use of signal peptides for secretion in ycgQ .
The recombinant ycgQ protein serves as a tool in biochemical and immunological studies:
KEGG: bsu:BSU03240
STRING: 224308.Bsubs1_010100001808