>2icxB (B:) observed residues (from ATOM records)
lpqlksavdgltemseseksgfislvsrylsgqhiewskiqtptdeivvpyekmtpvsqd
vaetknlldklvvlklngglgttmgctgpksvievrdgltfldliviqienlnnkygckv
plvlmnsfnthddthkivekytnsnvdihtfnqskyprvvadefvpwpskgktdkegwyp
pghgdvfpalmnsgkldtflsqgkeyvfvansdnlgaivdltilkhliqnkneycmevtp
ktadvkggtlisyegkvqlleiaqvpdehvnefksiekfkifntnnlwvnlkaikklvea
dalkmeiipnpkevdgvkvlqletaagaairffdnaigvnvprsrflpvkassdlllvqs
dlytlvdgfvtrnkartnpsnpsielgpefkkvatflsrfksipsiveldslkvsgdvwf
gssivlkgkvtvaaksgvkleipdravvenkningpedl