>6i6fB (B:) observed residues (from ATOM records) glgravclltgasrgfgrtlapllasllspgsvlvlsarndealrqleaelgaesglrvv rvpadlgaeaglqqllgalrelprpkglqrlllinnagslgdvskgfvdlsdstqvnnyw alnltsmlcltssvlkafpdspglnrtvvnisslcalqpfkgwalycagkaardmlfqvl aleepnvrvlnyapgpldtdmqqlaretsvdpdmrkglqelkakgklvdckvsaqkllsl lekdefksgahvdfyd