Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-CF023887HU could indicate that this peptide derived from E.coli-expressed Recombinant Human ER membrane protein complex subunit 4(EMC4) EMC4.
Supplier Page from CUSABIO Technology LLC for Human EMC4 Protein (in vitro E.coli expression system)