char = H;code = 72 char = I;code = 73 char = V;code = 86 char = -;code = 45 char = 1;code = 49 char = ;code = 32 char = V;code = 86 char = i;code = 105 char = f;code = 102 char = -;code = 45 char = m;code = 109 char = e;code = 101 char = d;code = 100 char = i;code = 105 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = u;code = 117 char = b;code = 98 char = i;code = 105 char = q;code = 113 char = u;code = 117 char = i;code = 105 char = t;code = 116 char = i;code = 105 char = n;code = 110 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = /;code = 47 char = d;code = 100 char = e;code = 101 char = g;code = 103 char = r;code = 114 char = a;code = 97 char = d;code = 100 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = A;code = 65 char = P;code = 80 char = O;code = 79 char = B;code = 66 char = E;code = 69 char = C;code = 67 char = 3;code = 51 char = G;code = 71 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = v;code = 118 char = o;code = 111 char = l;code = 108 char = v;code = 118 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = u;code = 117 char = r;code = 114 char = ;code = 32 char = c;code = 99 char = r;code = 114 char = i;code = 105 char = t;code = 116 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = l;code = 108 char = y;code = 121 char = s;code = 115 char = i;code = 105 char = n;code = 110 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = d;code = 100 char = u;code = 117 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = C;code = 67 char = -;code = 45 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = d;code = 100 char = o;code = 111 char = m;code = 109 char = a;code = 97 char = i;code = 105 char = n;code = 110 char = .;code = 46 result sql = HIV-1 Vif-mediated ubiquitination/degradation of APOBEC3G involves four critical lysine residues in its C-terminal domain.
HIV-1 Vif-mediated ubiquitination/degradation of APOBEC3G involves four critical lysine residues in its C-terminal domain.char = D;code = 68 char = u;code = 117 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = e;code = 101 char = v;code = 118 char = o;code = 111 char = l;code = 108 char = u;code = 117 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = w;code = 119 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = h;code = 104 char = o;code = 111 char = s;code = 115 char = t;code = 116 char = ,;code = 44 char = ;code = 32 char = H;code = 72 char = I;code = 73 char = V;code = 86 char = -;code = 45 char = 1;code = 49 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = v;code = 118 char = e;code = 101 char = l;code = 108 char = o;code = 111 char = p;code = 112 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = b;code = 98 char = i;code = 105 char = l;code = 108 char = i;code = 105 char = t;code = 116 char = y;code = 121 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = h;code = 104 char = i;code = 105 char = j;code = 106 char = a;code = 97 char = c;code = 99 char = k;code = 107 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = e;code = 101 char = l;code = 108 char = l;code = 108 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = r;code = 114 char = ;code = 32 char = u;code = 117 char = b;code = 98 char = i;code = 105 char = q;code = 113 char = u;code = 117 char = i;code = 105 char = t;code = 116 char = i;code = 105 char = n;code = 110 char = /;code = 47 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = t;code = 116 char = e;code = 101 char = a;code = 97 char = s;code = 115 char = o;code = 111 char = m;code = 109 char = e;code = 101 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = g;code = 103 char = r;code = 114 char = a;code = 97 char = d;code = 100 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = p;code = 112 char = a;code = 97 char = t;code = 116 char = h;code = 104 char = w;code = 119 char = a;code = 97 char = y;code = 121 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = u;code = 117 char = n;code = 110 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = a;code = 97 char = c;code = 99 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = i;code = 105 char = v;code = 118 char = i;code = 105 char = r;code = 114 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = a;code = 97 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = v;code = 118 char = i;code = 105 char = t;code = 116 char = y;code = 121 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = A;code = 65 char = P;code = 80 char = O;code = 79 char = B;code = 66 char = E;code = 69 char = C;code = 67 char = 3;code = 51 char = G;code = 71 char = ;code = 32 char = (;code = 40 char = A;code = 65 char = 3;code = 51 char = G;code = 71 char = );code = 41 char = ,;code = 44 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = h;code = 104 char = o;code = 111 char = s;code = 115 char = t;code = 116 char = ;code = 32 char = c;code = 99 char = y;code = 121 char = t;code = 116 char = i;code = 105 char = d;code = 100 char = i;code = 105 char = n;code = 110 char = e;code = 101 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = a;code = 97 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = b;code = 98 char = l;code = 108 char = o;code = 111 char = c;code = 99 char = k;code = 107 char = ;code = 32 char = H;code = 72 char = I;code = 73 char = V;code = 86 char = -;code = 45 char = 1;code = 49 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = p;code = 112 char = l;code = 108 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = .;code = 46 char = ;code = 32 char = A;code = 65 char = b;code = 98 char = r;code = 114 char = o;code = 111 char = g;code = 103 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = A;code = 65 char = 3;code = 51 char = G;code = 71 char = ;code = 32 char = f;code = 102 char = u;code = 117 char = n;code = 110 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = v;code = 118 char = o;code = 111 char = l;code = 108 char = v;code = 118 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = H;code = 72 char = I;code = 73 char = V;code = 86 char = -;code = 45 char = 1;code = 49 char = ;code = 32 char = V;code = 86 char = i;code = 105 char = f;code = 102 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = t;code = 116 char = e;code = 101 char = i;code = 105 char = n;code = 110 char = ,;code = 44 char = ;code = 32 char = w;code = 119 char = h;code = 104 char = i;code = 105 char = c;code = 99 char = h;code = 104 char = ;code = 32 char = b;code = 98 char = i;code = 105 char = n;code = 110 char = d;code = 100 char = s;code = 115 char = ;code = 32 char = A;code = 65 char = 3;code = 51 char = G;code = 71 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = s;code = 115 char = e;code = 101 char = r;code = 114 char = v;code = 118 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = d;code = 100 char = a;code = 97 char = p;code = 112 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = m;code = 109 char = o;code = 111 char = l;code = 108 char = e;code = 101 char = c;code = 99 char = u;code = 117 char = l;code = 108 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = r;code = 114 char = u;code = 117 char = i;code = 105 char = t;code = 116 char = ;code = 32 char = A;code = 65 char = 3;code = 51 char = G;code = 71 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = C;code = 67 char = u;code = 117 char = l;code = 108 char = l;code = 108 char = i;code = 105 char = n;code = 110 char = 5;code = 53 char = -;code = 45 char = b;code = 98 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = E;code = 69 char = 3;code = 51 char = ;code = 32 char = u;code = 117 char = b;code = 98 char = i;code = 105 char = q;code = 113 char = u;code = 117 char = i;code = 105 char = t;code = 116 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = l;code = 108 char = i;code = 105 char = g;code = 103 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = m;code = 109 char = p;code = 112 char = l;code = 108 char = e;code = 101 char = x;code = 120 char = .;code = 46 char = ;code = 32 char = S;code = 83 char = t;code = 116 char = r;code = 114 char = u;code = 117 char = c;code = 99 char = t;code = 116 char = u;code = 117 char = r;code = 114 char = e;code = 101 char = -;code = 45 char = g;code = 103 char = u;code = 117 char = i;code = 105 char = d;code = 100 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = m;code = 109 char = u;code = 117 char = t;code = 116 char = a;code = 97 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = A;code = 65 char = 3;code = 51 char = G;code = 71 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = c;code = 99 char = u;code = 117 char = s;code = 115 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = 1;code = 49 char = 4;code = 52 char = ;code = 32 char = m;code = 109 char = o;code = 111 char = s;code = 115 char = t;code = 116 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = r;code = 114 char = f;code = 102 char = a;code = 97 char = c;code = 99 char = e;code = 101 char = -;code = 45 char = e;code = 101 char = x;code = 120 char = p;code = 112 char = o;code = 111 char = s;code = 115 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = L;code = 76 char = y;code = 121 char = s;code = 115 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = d;code = 100 char = u;code = 117 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = l;code = 108 char = l;code = 108 char = o;code = 111 char = w;code = 119 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = u;code = 117 char = s;code = 115 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = i;code = 105 char = d;code = 100 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = i;code = 105 char = f;code = 102 char = y;code = 121 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = u;code = 117 char = r;code = 114 char = ;code = 32 char = L;code = 76 char = y;code = 121 char = s;code = 115 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = d;code = 100 char = u;code = 117 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = (;code = 40 char = L;code = 76 char = y;code = 121 char = s;code = 115 char = -;code = 45 char = 2;code = 50 char = 9;code = 57 char = 7;code = 55 char = ,;code = 44 char = ;code = 32 char = 3;code = 51 char = 0;code = 48 char = 1;code = 49 char = ,;code = 44 char = ;code = 32 char = 3;code = 51 char = 0;code = 48 char = 3;code = 51 char = ,;code = 44 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = 3;code = 51 char = 3;code = 51 char = 4;code = 52 char = );code = 41 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = q;code = 113 char = u;code = 117 char = i;code = 105 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = V;code = 86 char = i;code = 105 char = f;code = 102 char = -;code = 45 char = m;code = 109 char = e;code = 101 char = d;code = 100 char = i;code = 105 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = A;code = 65 char = 3;code = 51 char = G;code = 71 char = ;code = 32 char = u;code = 117 char = b;code = 98 char = i;code = 105 char = q;code = 113 char = u;code = 117 char = i;code = 105 char = t;code = 116 char = i;code = 105 char = n;code = 110 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = g;code = 103 char = r;code = 114 char = a;code = 97 char = d;code = 100 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = .;code = 46 char = ;code = 32 char = S;code = 83 char = u;code = 117 char = b;code = 98 char = s;code = 115 char = t;code = 116 char = i;code = 105 char = t;code = 116 char = u;code = 117 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = A;code = 65 char = r;code = 114 char = g;code = 103 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = s;code = 115 char = e;code = 101 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = d;code = 100 char = u;code = 117 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = n;code = 110 char = f;code = 102 char = e;code = 101 char = r;code = 114 char = s;code = 115 char = ;code = 32 char = V;code = 86 char = i;code = 105 char = f;code = 102 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = A;code = 65 char = 3;code = 51 char = G;code = 71 char = ';code = 39 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = i;code = 105 char = v;code = 118 char = i;code = 105 char = r;code = 114 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = a;code = 97 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = v;code = 118 char = i;code = 105 char = t;code = 116 char = y;code = 121 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = V;code = 86 char = i;code = 105 char = f;code = 102 char = .;code = 46 char = ;code = 32 char = I;code = 73 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = u;code = 117 char = r;code = 114 char = ;code = 32 char = m;code = 109 char = o;code = 111 char = d;code = 100 char = e;code = 101 char = l;code = 108 char = ,;code = 44 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = r;code = 114 char = i;code = 105 char = t;code = 116 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = u;code = 117 char = r;code = 114 char = ;code = 32 char = L;code = 76 char = y;code = 121 char = s;code = 115 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = d;code = 100 char = u;code = 117 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = c;code = 99 char = l;code = 108 char = u;code = 117 char = s;code = 115 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = C;code = 67 char = ;code = 32 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = u;code = 117 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = o;code = 111 char = p;code = 112 char = p;code = 112 char = o;code = 111 char = s;code = 115 char = i;code = 105 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = k;code = 107 char = n;code = 110 char = o;code = 111 char = w;code = 119 char = n;code = 110 char = ;code = 32 char = N;code = 78 char = -;code = 45 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = V;code = 86 char = i;code = 105 char = f;code = 102 char = -;code = 45 char = i;code = 105 char = n;code = 110 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = a;code = 97 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = g;code = 103 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = t;code = 116 char = e;code = 101 char = i;code = 105 char = n;code = 110 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = u;code = 117 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = s;code = 115 char = p;code = 112 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = i;code = 105 char = n;code = 110 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = m;code = 109 char = p;code = 112 char = o;code = 111 char = s;code = 115 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = E;code = 69 char = 3;code = 51 char = ;code = 32 char = l;code = 108 char = i;code = 105 char = g;code = 103 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = m;code = 109 char = p;code = 112 char = l;code = 108 char = e;code = 101 char = x;code = 120 char = ;code = 32 char = m;code = 109 char = a;code = 97 char = y;code = 121 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = m;code = 109 char = p;code = 112 char = o;code = 111 char = r;code = 114 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = V;code = 86 char = i;code = 105 char = f;code = 102 char = -;code = 45 char = d;code = 100 char = e;code = 101 char = p;code = 112 char = e;code = 101 char = n;code = 110 char = d;code = 100 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = A;code = 65 char = 3;code = 51 char = G;code = 71 char = ;code = 32 char = u;code = 117 char = b;code = 98 char = i;code = 105 char = q;code = 113 char = u;code = 117 char = i;code = 105 char = t;code = 116 char = i;code = 105 char = n;code = 110 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = .;code = 46 char = <;code = 60 char = b;code = 98 char = r;code = 114 char = /;code = 47 char = >;code = 62 result sql = During coevolution with the host, HIV-1 developed the ability to hijack the cellular ubiquitin/proteasome degradation pathway to counteract the antiviral activity of APOBEC3G (A3G), a host cytidine deaminase that can block HIV-1 replication. Abrogation of A3G function involves the HIV-1 Vif protein, which binds A3G and serves as an adapter molecule to recruit A3G to a Cullin5-based E3 ubiquitin ligase complex. Structure-guided mutagenesis of A3G focused on the 14 most surface-exposed Lys residues allowed us to identify four Lys residues (Lys-297, 301, 303, and 334) that are required for Vif-mediated A3G ubiquitination and degradation. Substitution of Arg for these residues confers Vif resistance and restores A3G's antiviral activity in the presence of Vif. In our model, the critical four Lys residues cluster at the C terminus, opposite to the known N-terminal Vif-interaction region in the protein. Thus, spatial constraints imposed by the E3 ligase complex may be an important determinant in Vif-dependent A3G ubiquitination.
Publication: Proc. Natl. Acad. Sci. U.S.A. 2009 Nov 17 ;106(46)::19539-44. :doi: 10.1073/pnas.0906652106.
Publication Date: 2009 Nov 17
Study Author(s): Iwatani, Yasumasa;Chan, Denise S B;Liu, Lin;Yoshii, Hiroaki;Shibata, Junko;Yamamoto, Naoki;Levin, Judith G;Gronenborn, Angela M;Sugiura, Wataru;
Institution: Clinical Research Center, National Hospital Organization Nagoya Medical Center, Nagoya, Aichi 460-0001, Japan.
[email protected]
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During coevolution with the host, HIV-1 developed the ability to hijack the cellular ubiquitin/proteasome degradation pathway to counteract the antiviral activity of APOBEC3G (A3G), a host cytidine deaminase that can block HIV-1 replication. Abrogation of A3G function involves the HIV-1 Vif protein, which binds A3G and serves as an adapter molecule to recruit A3G to a Cullin5-based E3 ubiquitin ligase complex. Structure-guided mutagenesis of A3G focused on the 14 most surface-exposed Lys residues allowed us to identify four Lys residues (Lys-297, 301, 303, and 334) that are required for Vif-mediated A3G ubiquitination and degradation. Substitution of Arg for these residues confers Vif resistance and restores A3G's antiviral activity in the presence of Vif. In our model, the critical four Lys residues cluster at the C terminus, opposite to the known N-terminal Vif-interaction region in the protein. Thus, spatial constraints imposed by the E3 ligase complex may be an important determinant in Vif-dependent A3G ubiquitination.
PMID: 19887642