According to David Clem, managing director of Lyme Properties,all 1,313,000 sf of the site has been committed. Lyme Properties isdeveloper and manager of the project with Scottish Widows, a UKinsurer, its equity partner.

In addition to its headquarters, Genzyme will lease 150,000 sfin a nearby laboratory building. Vertex Pharmaceuticals has signeda letter of intent for 250,000 sf lab space in a third biotechbuilding. Atlanta-based Hardin Capital plans to develop a 300-roomhotel and 160 condominiums while Constellation Productions, anonprofit organization, will develop the four theaters. Lyme willbuild additional residential, retail and office space.

Kendall Square is under construction on land formerly owned byCommonwealth Energy, which has been classified as a brownfieldssite by the Massachusetts Department of Environmental Protection.According to the developer, environmental cleanup is underway atthe site.