>1wc7B (B:) observed residues (from ATOM records)
evklqesggglvqpghslrlscatsgftftdyymswvrqppgkalewlglirnkangytk
eysasvkgrftisrdnsqsilylqmnalraedsatyycvrdkgsygnyeawfaywgqgtt
vtvssakttppsvyplapgsqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavl
qsdlytlsssvtvpssprpsetvtcnvahpasstkvdkkivprd