>2w7sB (B:) observed residues (from ATOM records)
eknvkeitdatkepynsvvafvggtgvvvgkntivtnkhiaksndifknrvsahhsskgg
gnydvkdiveypgkedlaivhvhetsteglnfnknvsytkfadgakvkdrisvigypkga
qtkykmfestgtinhisgtfmefdayaqpgnsgspvlnskheligilyagsdeseknfgv
yftpqlkefiqnnie