>2rduA (A:) observed residues (from ATOM records)
prlicindyeqhaksvlpksiydyyrsgandeetladniaafsrwklyprmlrnvaetdl
stsvlgqrvsmpicvgatamqrmahvdgelatvracqslgtgmmlsswatssieevaeag
pealrwlqlyiykdrevtkklvrqaekmgykaifvtvdtpylgnrlddvrnrfklppqlr
mknfetstlsfspeenfgddsglaayvakaidpsiswedikwlrrltslpivakgilrgd
dareavkhglngilvsnhgarqldgvpatidvlpeiveavegkvevfldggvrkgtdvlk
alalgakavfvgrpivwglafqgekgvqdvleilkeefrlamalsgcqnvkvidktlvrk