>4nprB (B:) SEQRES residues
mgsshhhhhhssglvprgshmasatqfcdqwgsvtegnyilynnlwgqaqatsgsqcttf
eslsgntivwntkwswsggqgqvksfanaalqftpkklssvksidstwkwnysgsnivad
vaydmflstspggdhnyeimvwlgalggagpisstgspiatptvagikfnlylgpngsmq
vysfvaqsttnsfsgdmrdfftylesnqglssdlylvdvqagtepfsgsnavftvsdysv
sva