A fusion protein comprising a g3p amyloid binding fragment and an Fc fragment of an immunoglobulin, wherein the protein comprises an amino acid sequence selected from: (a) amino acids 21-509 of SEQ ID NO: 13； (b) amino acids 22-509 of SEQ ID NO: 13； (c) amino acids 23-509 of SEQ ID NO: 13； (d) amino acids 21-508 of SEQ ID NO: 13； (e) amino acids 22-508 of SEQ ID NO: 13； (f) amino acids 23-508 of SEQ ID NO: 13； 10 (g) amino acids 21-506 of SEQ ID NO: 9； (h) amino acids 22-506 of SEQ ID NO: 9； (i) amino acids 23-506 of SEQ ID NO: 9； (j) amino acids 21-505 of SEQ ID NO: 9； (k) amino acids 22-505 of SEQ ID NO: 9； (l) amino acids 23-505 of SEQ ID NO: 9； (m) amino acids 21-506 of SEQ ID NO: 11； (n) amino acids 22-506 of SEQ ID NO: 11； (o) amino acids 23-506 of SEQ ID NO: 11； (p) amino acids 21-505 of SEQ ID NO: 11； (q) amino acids 22-505 of SEQ ID NO: 11； (r) amino acids 23-505 of SEQ ID NO: 11； (s) amino acids 21-528 of SEQ ID NO: 31； (t) amino acids 22-528 of SEQ ID NO: 31； (u) amino acids 23-528 of SEQ ID NO: 31； (v) amino acids 21-527 of SEQ ID NO: 31； (w) amino acids 22-527 of SEQ ID NO: 31； (x) amino acids 23-527 of SEQ ID NO: 31； and (y) a mutant or variant that is at least 95% identical to the amino acid sequence of any of (a) - (x) and is capable of binding to amyloid.Una proteína de fusión que comprende un fragmento de unión a amiloide de g3p y un fragmento Fc de una inmunoglobulina, en el que la proteína comprende una secuencia de aminoácidos seleccionada entre: (a) aminoácidos 21-509 de SEQ ID NO: 13； (b) aminoácidos 22-509 de SEQ ID NO: 13； (c) aminoácidos 23-509 de SEQ ID NO: 13； (d) aminoácidos 21-508 de SEQ ID NO: 13； (e) aminoácidos 22-508 de SEQ ID NO: 13； (f) aminoácidos 23-508 de SEQ ID NO: 13； 10 (g) aminoácidos 21-506 de SEQ ID NO: 9； (h) aminoácidos 22-506 de SEQ ID NO: 9； (i) aminoácidos 23-506 de SEQ ID NO: 9； (j) aminoácidos 21-505 de SEQ ID NO: 9； (k) aminoácidos 22-505 de SEQ ID NO: 9； (l) aminoácidos 23-505 de SEQ ID NO: 9； (m) aminoácidos 21-
