4xmk I 3.179 BS01 peptide Q 0 Y33 Y52 D54 Y99 G100 D100B Y33 Y52 D54 Y102 G103 D105 26109728 307 ~ 319 EVQLVGSGGGLIQPGGSLRLSCAASDFSVSEYYMTWVRQAPGKGLEWVAVLYKDGSQFYAPSVKGRFIVSRDNSKNSLYLQMNNLRGEDTAVYFCARENADYGSDYYFGMDVWGQGTAVAVSSASTKGPSVFPLAPSGTAALGCLVKDYFPEPVTVSWNSGALTSSVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKAEP