>2b4sD (D:) observed residues (from ATOM records)
dewevsrekitllrelgqgsfgmvyegnardiikgeaetrvavktvnesaslreriefln
easvmkgftchhvvrllgvvskgqptlvvmelmahgdlksylrslrpeaennpgrppptl
qemiqmaaeiadgmaylnakkfvhrdlaarncmvahdftvkigdfgmtrdiyetdyyrkg
gkgllpvrwmapeslkdgvfttssdmwsfgvvlweitslaeqpyqglsneqvlkfvmdgg
yldqpdncpervtdlmrmcwqfnpnmrptfleivnllkddlhpsfpevsffhseenk