50亿，深圳光明落地一支科创母基金

Group 1 - The core viewpoint of the article highlights the establishment of a new innovation and entrepreneurship investment fund in the Greater Bay Area, with a total target size of 5 billion yuan and an initial fund size of 1 billion yuan [1] - The fund is a collaborative initiative involving multiple entities, including Bank of China International Securities, Guangming District Guidance Fund, and Shenzhen Guangming Science City Industrial Development Group [1] - This fund marks the first project of the Bank of China's innovation mother fund in the Greater Bay Area and is a significant addition following the establishment of the Guangming AIC pilot fund [1]