>d1ptsa_ b.61.1.1 (A:) Streptavidin {Streptomyces avidinii} aeagitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgta lgwtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftk v