Both enzymes, C4b2b3b and C3bBbC3b, are unstable and undergo decay dissociation with a half-life at 37 °C of approximately 1.5 - 3 min.
Os encimas C4b2a3b e C3bBbC3b son ambos inestables e sofren disociación cunha vida media a 37 °C de aproximadamente de 1,5 a 3 minutos.