>1rivH (H:) observed residues (from ATOM records)
evtlqesggglvqpggsmklscaasgftfsdawvdwvrqspgkglewvaeirnkannhat
kytesvkgrftisrddskssvylqmnslraedtgiyyctsvpqlgrgfaywgqgtlvtvs
aasttppsvyplapgsggagsmvtlgclvkgyfpepvtvtwnsgalssgvhtfpavlqsd
lytlsssvtvpsstwpsqtvtcnvahpasstqvdkkivpk