Patent ID: 8058410

Claim:
A method for affinity binding of a protein from a liquid starting preparation, wherein said protein is contacted under chaotropic conditions with an affinity matrix comprising a solid phase and an affinity ligand comprising peptide bonds coupled to said solid phase, wherein the affinity ligand is at least one member selected from the group of ligands consisting of: AFYTWYA (SEQ ID NO: 71), AFYRWYA (SEQ ID NO: 74), AFFRWYA (SEQ ID NO: 75), AFGRWYA (SEQ ID NO: 76), AFHRWYA (SEQ ID NO: 77), AFIRWYA (SEQ ID NO: 78), AFLRWYA (SEQ ID NO: 79), AFMRWYA (SEQ ID NO: 80), AFNRWYA (SEQ ID NO: 81), AFPRWYA (SEQ ID NO: 82), AFQRWYA (SEQ ID NO: 83), AFRRWYA (SEQ ID NO: 84), AFSRWYA (SEQ ID NO: 85), AFTRWYA (SEQ ID NO: 86), AFVRWYA (SEQ ID NO: 87), AFYRWYA (SEQ ID NO: 88), AFYFWYA (SEQ ID NO: 89), AFYGWYA (SEQ ID NO: 90), AFYLWYA (SEQ ID NO: 91), AFYMWYA (SEQ ID NO: 92), AFYNWYA (SEQ ID NO: 93), AFYPWYA (SEQ ID NO: 94), AFYTWYA (SEQ ID NO: 95), AFYVWYA (SEQ ID NO: 96), AFYWWYA (SEQ ID NO: 97), AFYYWYA (SEQ ID NO: 98), Ac-AFYTWYAK (SEQ ID NO: 125), Ac-AFYRWYAK (SEQ ID NO: 128), Ac-AFFRWYAK (SEQ ID NO: 129), Ac-AFGRWYAK(SEQ ID NO: 130), Ac-AFHRWYAK (SEQ ID NO: 131), Ac-AFIRWYAK (SEQ ID NO: 132), Ac-AFLRWYAK (SEQ ID NO: 133), Ac-AFMRWYAK (SEQ ID NO: 134), Ac-AFNRWYAK (SEQ ID NO: 135), Ac-AFPRWYAK (SEQ ID NO: 136), Ac-AFQRWYAK (SEQ ID NO: 137), Ac-AFRRWYAK (SEQ ID NO: 138), Ac-AFSRWYAK (SEQ ID NO: 139), Ac-AFTRWYAK (SEQ ID NO: 140), Ac-AFVRWYAK (SEQ ID NO: 141), Ac-AFYFWYAK (SEQ ID NO: 142), Ac-AFYGWYAK (SEQ ID NO: 143), Ac-AFYLWYAK (SEQ ID NO: 144), Ac-AFYMWYAK (SEQ ID NO: 145), Ac-AFYNWYAK (SEQ ID NO: 146), Ac-AFYPWYAK (SEQ ID NO: 147), Ac-AFYTWYAK (SEQ ID NO: 148), Ac-AFYVWYAK (SEQ ID NO: 149), Ac-AFYWWYAK (SEQ ID NO: 150), and Ac-AFYYWYAK (SEQ ID NO: 151), whereby said protein binds to said matrix and is separated from said liquid starting preparation.