>4z7uB (B:) SEQRES residues
ggsiegrggsgasrdspedfvyqfkgmcyftngtervrlvtryiynreeyarfdsdvgvy
ravtplgppaaeywnsqkevlertraeldtvcrhnyqlelrttlqrrveptvtispsrte
alnhhnllvcsvtdfypaqikvrwfrndqeettgvvstplirngdwtfqilvmlemtpqr
gdvytchvehpslqnpiivewraqstggddddk