>1v4pB (B:) observed residues (from ATOM records)
mysievrthsalhvvkgavvkvlgseakwtystyvkgnkgvlivkfdrkpsdeeireier
lanekvkenapikiyelpreeaekmfgedmydlfpvpedvrilkvvviedwnvnacnkeh
tkttgeigpikirkvrfrkskglleihfell