>5vk4B (B:) observed residues (from ATOM records)
dagdqlvekikpfakrtmrpevlgdlggfgalveigkkyqnpvlvsgtdgvgtklklafd
wdkhdtvgidlvamsvndilvqgaeplffldyfacgkldvpratdvikgiaqgceesgca
liggetaempgmypvgeydlagfavgvvekenvitglsvgagdmvlglasngahsngysl
irkiierdnpdldaefdngktlreaviaptrlyvkpilaalekftikgmahitgggiten
vprvlpkntvaqidaeswelpklfqwlqkagnvetqemyrtfncgigmvvivaaedadav
rsflsgqgetvyrlgcirerqgnehqtqva