Perform global alignment of the protein sequences ALIWT and PIWALI. Use the BLOSUM$62$ substitution matrix, and a linear gap penalty of $-6.$

You are expected to perform the alignment by hand, but you may confirm your answers using a programming function.

$*$ What is the optimal alignment score? :

$*$ Write down the first line of the alignment $($ALIWT with any necessary gap $-$ characters$).$ Do not use any space characters :

$*$ Write down the second line of the alignment $($PIWALI with any necessary gap $-$ characters$).$ Do not use any space characters :