>3f6xB (B:) observed residues (from ATOM records)
lakdaweipreslrlevklgqgcgevwmgtwngttrvaiktlkpgtmspeaflqeaqvmk
klrheklvqlyavvseepiyivteymskgslldflkgemgkylrlpqlvdmaaqiasgma
yvermnyvhrdlraanilvgenlvckvadfglarlikfpikwtapeaalygrftiksdvw
sfgilltelttkgrvpypgmvnrevldqvergyrmpcppecpeslhdlmcqcwrkdpeer
ptfeylqafledyftstepqyqpgenl