F. Other assets

Included in “Other assets” at September 30, 2011 is a loan receivable from ChemoCentryx, Inc. (CCX). In September 2011, the Company entered into a $10 million loan agreement with CCX, one of its equity investees. The loan bears interest at 5% with interest due annually until maturity on September 30, 2021. The loan agreement contains a number of conversion features contingent upon CCX obtaining future debt or equity financing. In addition, the agreement includes a $5 million commitment by the Company to participate in a private placement in the event of a successful public offering of CCX shares.