>3en7B (B:) observed residues (from ATOM records)
weipreslrlevklgqgevwmgtwnttrvaiktlqvmkklrheklvqlyavvseepiyiv
teymskgslldflkgemgkylrlpqlvdmaaqiasgmayvermnyvhrdlraanilvgen
lvckvadfpikwtapeaalygrftiksdvwsfgilltelttkgrvpypgmvnrevldqve
rgyrmpcppecpeslhdlmcqcwrkdpeerptfeylqafledyftstepqyqpgenl