MFPTDPLSLQELRREFTVSLYLARKLLSEVQGYVHSFAESRLPGVNLDLLPLGYHLPNVSLTFQAWHHLSDSERLCFLATTLRPFPAMLGGLGT
QGTWTSSEREQLWAMRLDLRDLHRHLRFQVLAAGFKCSKEEEDKEEEEEEEEEEKKLPLGALGGPNQVSSQVSWPQLLYTYQLLHSLELVLS
RAVRDLLLLSLPRRPGSAWDS with polyhistidine tag at the C-terminus