The method 1, wherein said GlcNAc2Man3GlcNAc2Gal2NANA2 N glycan is present at a level from {HEAD ~ about 5 mole percent} to about 80 mole percent more than the next most predominant N linked glycan structure of said plurality of {TAIL ~ N} linked glycans 
The method 1 , wherein said GlcNAc2Man3GlcNAc2Gal2NANA2 N glycan is present at a level from { HEAD ~ about 5 mole percent } to about 80 mole percent more than the next most predominant N linked glycan structure of said plurality of { TAIL ~ N } linked glycans
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH