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Table 1 Summary Vif-mediated A3 degradation

From: Determinants of FIV and HIV Vif sensitivity of feline APOBEC3 restriction factors

Feline A3a

Degradation by Vif

Rescue of infection by Vifb

FIV

HIV-1

HIV-2

SIVmac/smm

FIV

HIV-2

SIVmac

A3Z2

++

−

−

−

ND

−

−

A3Z2.DH-YN

−

ND

ND

ND

ND

ND

ND

A3Z3

++

−

−

−

++

−

−

A3Z3.A65I

±

ND

ND

ND

±

ND

ND

A3Z3.LI-AA

±

ND

ND

ND

±

ND

ND

A3Z3.A65I + LI-AA

−

ND

ND

ND

−

ND

ND

A3Z2Z3

++

−

++

++

++

++

++

A3Z2Z3-M

−

ND

++

++

−

ND

ND

A3Z2Z3ΔLinker

++

−

±

±

ND

ND

ND

  1. Degradation of A3 by Vif: ++, mostly degraded; ±, partial degradation with high amount of Vif; −, no degradation
  2. Rescue of infection by Vif: ++, complete rescue; ±, partial rescue; −, no rescue
  3. ND not done
  4. aFeline A3: A3s from domestic cat Felis catus
  5. bExperiments to rescue the infection were not done with HIV-1 and SIVsmm