$1.$ By using the listed accession number below, answer the questions accordingly.

$$ P$00750$

$$ P$11214$

$$ P$19637$

$$ Q$28198$

$$ Q$8$SQ$23$

$$ Q$5$R$8$J$0$

a$)$ Name the database where these sequences are stored

b$)$ State one main similarities and one main differences between the sequences

c$)$ Explore, identify and briefly list out the steps on how to obtain and download all of the sequences $($FASTA$)$ in ONEfile

d$)$ Using the downloaded FASTA file, conduct and obtain the results of multiple sequence alignment using ClustalOmega and T$-$COFFEE. Show the alignment in your report.

e$)$ State the meaning of these symbols generated by the alignment programs:

asterisk $(*),$ colon $($:$),$ and period $(.)$