>3d7tB (B:) observed residues (from ATOM records)
daweipreslrlevklgqgcfgevwmgtwngttrvaiktlkpgtmspeaflqeaqvmkkl
rheklvqlyavvseepiyivteymskgslldflkgemgkylrlpqlvdmaaqiasgmayv
ermnyvhrdlraanilvgenlvckvadfglarlikfpikwtapeaalygrftiksdvwsf
gilltelttkgrvpypgmvnrevldqvergyrmpcppecpeslhdlmcqcwrkdpeerpt
feylqafledyftstepqyqpgenl