>1v5xB (B:) observed residues (from ATOM records)
mrvkicgitrledallaealgafalgfvlapgsrrriapeaaraigealgpfvvrvgvfr
dqppeevlrlmeearlqvaqlhgeeppewaeavgrfypvikafplegparpewadypaqa
llldgkrpgsgeayprawakpllatgrrvilaggiapenleevlalrpyaldlasgveea
pgvksaeklralfarlaslr