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IL-17 binding proteins

  • US 8,835,610 B2
  • Filed: 03/05/2010
  • Issued: 09/16/2014
  • Est. Priority Date: 03/05/2009
  • Status: Active Grant
First Claim
Patent Images

1. An antibody or antigen binding portion thereof comprising an antigen binding domain, wherein the antibody or antigen binding portion thereof binds human IL-17, and the antigen binding domain comprises six CDRs:

  • CDR-H1, CDR-H2, CDR-H3, CDR-L1, CDR-L2, and CDR-L3, wherein;

    CDR-H1 has an amino acid sequence S-Y-G-I-S (residues 31-35 of SEQ ID NO;

    46) or a modification of said amino acid sequence by a substitution of at least one amino acid residue, wherein;

    the substitution of S at position 1 is selected from the group consisting of G, T, V, and R;

    the substitution of G at position 3 is selected from the group consisting of D, V, S, A, C, and I;

    the substitution of I at position 4 is selected from the group consisting of F, T, Y, M, and V; and

    the substitution of S at position 5 is selected from the group consisting of G, C, N, V, and H;

    CDR-H2 has an amino acid sequence G-I-T-P-I-L-G-T-A-N-Y-A-Q-K-F-Q-G (residues 50-66 of SEQ ID NO;

    46) or a modification of said amino acid sequence by a substitution of at least one amino acid residue, wherein;

    the substitution of I at position 2 is V;

    the substitution of P at position 4 is selected from the group consisting of H, N, T, L, I, V, S, and F;

    the substitution of I at position 5 is selected from the group consisting of F, I, M, V, S, and L;

    the substitution of L at position 6 is F;

    the substitution of G at position 7 is selected from the group consisting of M, L, E, and A;

    the substitution of T at position 8 is selected from the group consisting of I, S, W, A, F, L, M, V, and H;

    the substitution of A at position 9 is selected from the group consisting of T, V, S, E, D, P, I, G, and R;

    the substitution of N at position 10 is selected from the group consisting of D, Y, S, T, V, and I; and

    the substitution of G at position 17 is D;

    CDR-H3 has an amino acid sequence E-P-N-D-F-W-N-G-Y-Y-T-T-H-H-F-D-Y (residues 99-115 of SEQ ID NO;

    46) or a modification of said amino acid sequence by substitution of at least one amino acid residue, wherein;

    the substitution of E at position 1 is selected from the group consisting of D and V;

    the substitution of P at position 2 is selected from the group consisting of S and T;

    the substitution of N at position 3 is selected from the group consisting of S, T, and H;

    the substitution of D at position 4 is selected from the group consisting of E and A;

    the substitution of Y at position 10 is F;

    the substitution of T at position 11 is selected from the group consisting of A, S, D, P, N, C, and V;

    the substitution of H at position 13 is selected from the group consisting of D, Q, N, and L;

    the substitution of H at position 14 is selected from the group consisting of D, Y, and N;

    the substitution of F at position 15 is selected from the group consisting of L and Y; and

    the substitution of Y at position 17 is selected from the group consisting of S, L, N, F, C, I, H, A, and D;

    CDR-L1 has an amino acid sequence R-A-S-Q-N-I-G-S-A-L-H (residues 24-34 of SEQ ID NO;

    47) or a modification of said amino acid sequence by substitution of at least one amino acid residue, wherein;

    the substitution of R at position 1 is W;

    the substitution of A at position 2 is V;

    the substitution of N at position 5 is selected from the group consisting of D, E, A, and I;

    the substitution of G at position 7 is selected from the group consisting of D and E;

    the substitution of S at position 8 is selected from the group consisting of Y, A, E, F, T, and G; and

    the substitution of A at position 9 is selected from the group consisting of E, D, S, and G;

    CDR-L2 has an amino acid sequence;

    Y-A-S-Q-S-I-S (residues 50-56 of SEQ ID NO;

    47) or a modification of said amino acid sequence by substitution of at least one amino acid residue, wherein;

    the substitution of Q at position 4 is selected from the group consisting of H, Y, E, N, S, and W;

    the substitution of S at position 5 is selected from the group consisting of P and C;

    the substitution of I at position 6 is selected from the group consisting of V, T, N, A, M, L, G, S, F, P, and Q; and

    the substitution of S at position 7 is P; and

    CDR-L3 has an amino acid sequence;

    H-Q-S-T-S-L-P-H-T (residues 89-97 of SEQ ID NO;

    47) or a modification of said amino acid sequence by substitution of at least one amino acid residue, wherein;

    the substitution of S at position 3 is selected from the group consisting of T and G;

    the substitution of T at position 4 is selected from the group consisting of D, A, Y, S, F, N, I, E, and M;

    the substitution of S at position 5 is selected from the group consisting of D, N, G, I, T, F, Y, W, C, E, R, V, L, and M;

    the substitution of H at position 8 is selected from the group consisting of Y, Q, F, I, V, D, and N; and

    the substitution of T at position 9 is selected from the group consisting of S, A, I, N, and L; and

    wherein said substitution of at least one amino acid residue does not inhibit the ability of said antibody or antigen binding portion thereof to bind human IL-17.

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