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Antiviral fusillade. Fv1, TRIM1, or TRIM5α restriction of N-MLV (blue), B-MLV (green), SIVmac. (lavender), or HIV-1 (red). Boxes indicate species-specific restrictive measures targeting invading retroviral particles. h, Human; rh, rhesus macaque; agm, African green monkey; omk, owl monkey kidney.
