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Jun 04, 2026
1:28 AM
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Complement C3a, a small 9 kDa peptide, has 77 amino acids and made up of four anti-parallel helical structures that are trapped by three disulfide bridges. C3a is an important chemotactic mediator in the immune system, and the C3a/C3aR pathway plays crucial anti-inflammatory and proinflammatory roles in different cells and diseases.
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