>4ni5B (B:) observed residues (from ATOM records)
mrfkdkvvivtggasgigeatarafiregakvviadfsdalfiktdvadtravqaliart
venygrldimfanagiaadapideldeaawqktidinltgvylcdkyaidqmrsqgggvi
vncgsihshvgksgvtayaaakggvklltqtlaidygpqnirvnavcpgyidtipddkkq
alvalhpmgrlgraeevanavlflasdeasfvngasllvdggytaq