>2kv4_A mol:protein length:53 Epidermal growth factor NSDSECPLSHDGYCLHDGVCMYIEALDKYACNCVVGYIGERCQYRDLKWWELR >2kv4_A mol:protein length:53 Epidermal growth factor NSDSECPLSHDGYCLHDGVCMYIEALDKYACNCVVGYIGERCQYRDLKWWELR