The cell supernatant or {TAIL ~ the solution} obtained after {HEAD ~ centrifugation} of the mixture obtained on breaking the cells, which contains proteins, nucleic acids and other cell constituents, is enriched in proteins, including the polypeptides of the invention, in a manner which is known per se 
The cell supernatant or { TAIL ~ the solution } obtained after { HEAD ~ centrifugation } of the mixture obtained on breaking the cells , which contains proteins , nucleic acids and other cell constituents , is enriched in proteins , including the polypeptides of the invention , in a manner which is known per se
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH