>3QZO_1|Chains A, B, C, D|Iron-regulated surface determinant protein A|Staphylococcus aureus subsp. aureus (158879) GSHMSQATSQPINFQVQKDGSSEKSHMDDYMQHPGKVIKQNNKYYFQTVLNNASFWKEYKFYNANNQELATTVVNDNKKADTRTINVAVEPGYKSLTTKVHIVVPQINYNHRYTTHLEFEKAIPTLA