>3QZN_1|Chains A, B, C|Iron-regulated surface determinant protein A|Staphylococcus aureus subsp. aureus (158879) GSHMSQATSQPINFQVQKDGSSEKSHMDDYMQHPGKVIKQNNKYYFQTVLNNASFWKEYKFYNANNQELATTVVNDNKKADTRTINVAVEPGYKSLTTKVHIVVPQINANHRYTTHLEFEKAIPTLA