>1d4cB (B:) observed residues (from ATOM records)
evladfhgemggcdschvsdkggvtndnlthengqcvschgdlkelaaaapkvsphkshl
igeiactschkgheksvaycdachsfgfdmpfggkwerkfvpvdadkaaqdkaiaagvke
ttdvviigsggaglaaavsardagakvillekepipggntklaaggmnaaetkpqaklgi
edkkqimiddtmkggrnindpelvkvlannssdsidwltsmgadmtdvgrmggasvnrsh
rptggagvgahvaqvlwdnavkrgtdirlnsrvvriledasgkvtgvlvkgeytgyyvik
adavviaaggfaknnervskydpklkgfkatnhpgatgdgldvalqagaatrdleyiqah
ptyspaggvmiteavrgngaivvnregnrfmneittrdkasaailqqkgesaylvfddsi
rkslkaiegyvhlnivkegktieelakqidvpaaelaktvtayngfvksgkdaqferpdl
prelvvapfyaleiapavhhtmgglvidtkaevksektgkpitglyaagevtggvhganr
lggnaisdivtygriagasaakfakd