>1x7xB (B:) observed residues (from ATOM records)
eygqtqkmnlfqsvtsaldnslakdptavifgedvafggvfrctvglrdkygkdrvfntp
lceqgivgfgigiavtgataiaeiqfadyifpafdqivneaakyryrsgdlfncgsltir
spwgcvghgalyhsqspeaffahcpgikvviprspfqakglllsciedknpciffepkil
yraaaeevpiepyniplsqaeviqegsdvtlvawgtqvhvirevasmakeklgvscevid
lrtiipwdvdticksviktgrllisheapltggfaseisstvqeecflnleapisrvcgy
dtpfphifepfyipdkwkcydalrkminy