>4wrkF (F:) observed residues (from ATOM records)
tntlqvrllsenarmpernhktdagydifsaetvvlepqekaviktdvavsipegyvgll
tsrsgvsskthlvietgkidagyhgnlginiknnaiasngyitpgvfdikgeidlsdair
qygtyqinegdklaqlvivpiwtpelkqveefesf