>sp|Q31XW2|ISCA_SHIBS Iron-binding protein IscA OS=Shigella boydii serotype 4 GN=iscA MSITLSDSAAARVNTFLANRGKGFGLRLGVRTSGCSGMAYVLEFVDEPTPEDIVFEDKGV KVVVDGKSLQFLDGTQLDFVKEGLNEGFKFTNPNVKDECGCGESFHV