>3bkcH (H:) observed residues (from ATOM records)
vtlkesgpgllkpsqtlsltcsfsgfsirtskvgvswirqpsgkglewlahiywdddkry
npslesrltiskdtsrdmvfmkitsvdtadtatyycarrgfygrkyevnhfdywgqgttl
tvssakttapsvyplapvcgdttgssvtlgclvkgyfpepvtltwnsgslssgvhtfpav
lqsdlytlsssvtvtsstwpsesitcnvahpasstkvdkkivpr