>4l70A (A:) observed residues (from ATOM records)
smkrvqpcsldpatqklitnifskemfkntmalmdldvkkmplgklskqqiargfealea
leealkdggqsleelsshfytviphnfghsqpppinspellqakkdmllvladielaqal
qavseqektveevphpldrdyqllkcqlqlldsgapeykviqtyleqtgsnhrcptlqhi
wkvnqegeedrfqahsklgnrkllwhgtnmavvaailtsglrimphsggrvgkgiyfase
nsksagyvigmkcgahhvgymflgevalgrehhintdnpslkspppgfdsviarghtepd
ptqdteleldgqqvvvpqgqpvpcpefssstfsqseyliyqesqcrlryllevh