How to calculate the molecular weight of the given protein sequence; NH3+GLN-ALA-CYS-GLN-GLN-IIE-COOH

1. The amino acid sequence for the protein lysozyme is given below. Estimate the isoelectric point for lysozyme protein. The pK, values are provided in Table 3.1. KVFGRCELAAAMKRHGLDNYRGYSLGNWVCAAKFESNFNTQATNRNT DGSTDYGILQINSRWWCNDGRTPGSRNLCNIPCSALLSSDITASVNCAKK IVSDGNGMNAWVAWRNRCKGTDVQAWIRGCRL Here's the sequence in this form: LYS VAL PHE GLY ARG CYS GLU LEU ALA ALA ALA MET LYS ARG HIS GLY Table 3.1 Typical pk, values of ionizable groups in proteins Group Acid Typical pK, Base Terminal a-carboxyl 3.1 group Aspartic acid Glutamic acid 4.1 N. Histidine 6.0 -N + H Terminal a-amino group 8.0 Cysteine 8.3 Тутosine 10.9 + H Lysine 10.8 H H. + N-H Arginine 12.5 N-H N-H Note: Values of pk, depend on temperature, ionic strength, and the microenvironment of the ionizable group. in

Draw the peptide at a pH @1 of Cys-His-Glu-Met-Ile-Ser-Thr-Arg-Tyr

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