>2xb6A (A:) observed residues (from ATOM records)
aqypvvntnygkirglrtpllgpveqylgvpyaspptgerrfqppeppsswtgirnttqf
aavcpqhldersllhdmlpiwftanldtlmtyvqdqnedclylniyvpteskkpvmvyih
ggsymegtgnmidgsilasygnvivitinyrlgilgflstgdqaakgnyglldqiqalrw
ieenvgafggdpkrvtifgsgagascvslltlshyseglfqkaiiqsgtalsswavnyqp
akytriladkvgcnmldttdmveclrnknykeliqqtitpatyhiafgpvidgdvipddp
qilmeqgeflnydimlgvnqgeglkfvdgivdnedgvtpndfdfsvsnfvdnlygypegk
dtlretikfmytdwadkenpetrrktlvalftdhqwvapavatadlhaqygsptyfyafy
hhcqsemkpswadsahgdevpyvfgipmigptelfscnfskndvmlsavvmtywtnfakt
gdpnqpvvawsrynpkdqlylhiglkprvrdhyratkvafwlelvphlh