>3en4B (B:) observed residues (from ATOM records)
kdaweipreslrlevklgqgcfgevwmgtwngttrvaiktlkpgtmspeaflqeaqvmkk
lrheklvqlyavvseepiyivteymskgslldflkgemgkylrlpqlvdmaaqiasgmay
vermnyvhrdlraanilvgenlvckvadfglarlakfpikwtapeaalygrftiksdvws
fgilltelttkgrvpypgmvnrevldqvergyrmpcppecpeslhdlmcqcwrkdpeerp
tfeylqafledyftstepqyqpgenl