3.4.23.B9 0.006 - KTKVLVVQPK value below 0.006, mutant W99V 681171 3.4.23.B9 0.0075 - KTKVLVVQPK mutant V57I 681171 3.4.23.B9 0.01 - KPKVLVVQPK value below 0.01, P4-substituted peptide 681171 3.4.23.B9 0.01 - KTAVLVVQPK value below 0.01, P3-substituted peptide 681171 3.4.23.B9 0.01 - KTKILVVQPK value below 0.01, P2-substituted peptide 681171 3.4.23.B9 0.01 - KTKVAVVQPK P1-substituted peptide 681171 3.4.23.B9 0.01 - KTKVGVVQPK value below 0.01, P1-substituted peptide 681171 3.4.23.B9 0.01 - KTKVLFVQPK value below 0.01, P1'-substituted peptide 681171 3.4.23.B9 0.01 - KTLVLVVQPK value below 0.01, P3-substituted peptide 681171 3.4.23.B9 0.01 - KTSVLVVQPK value below 0.01, P3-substituted peptide 681171