>4ef2B (B:) observed residues (from ATOM records)
svlkvgaspvphaeilehvkpllekegvklevttytdyvlpnkalesgdidanyfqhvpf
fneavkendydfvnagaihlepvglyskkykslqeipdgstiyvsssvsdwprvltiled
aglitlkegvdrttatfddidkntkklkfnhesdpaimttlydneegaavlinsnfavdq
glnpkkdaialekesspyaniiavrkedennenvkklvkvlrskevqdwitkkwngaivp
v