Dragon Tiger Gate is a martial arts action film that does not feature any discernible LGBTQ+ characters or themes. The storyline centers on combat and camaraderie among its main male protagonists, with no elements related to queer identity or experiences.

Based on the provided movie details and lack of additional information, it is not possible to assess the film's portrayal of transsexual characters or themes. There is insufficient data to determine if such depictions exist or what their nature might be, thus preventing any specific character arc or story plot from being identified.

The film primarily focuses on male protagonists and their martial arts battles. While female characters are present, none are depicted engaging in or winning direct physical combat against one or more male opponents.

The film "Dragon Tiger Gate" is an adaptation of the "Oriental Heroes" manhua. A review of the main characters from the source material and their portrayals in the 2006 film reveals no instances of a character's established gender being changed.

The film "Dragon Tiger Gate" is an adaptation of a Hong Kong manhua featuring predominantly Chinese characters. The main cast portraying these characters are also Chinese, aligning with the source material's established racial depictions.