>1j2fB (B:) observed residues (from ATOM records)
enplkrllvpgeewefevtafyrgrqvfqqtiscpeglrlvgsevtlpgwpvtlpdpgms
ltdrgvmsyvrhvlsclggglalwragqwlwaqrlghchtywavseellpnsghgpdgev
pkdkeggvfdlgpfivdlitftegsgrspryalwfcvgeswpqdqpwtkrlvmvkvvptc
lralvemarvggasslentvdlhisnshplsltsdqykaylqdlvegmdfq