This calls for patient endurance on the part of the people of God who keep his commands and remain faithful to Jesus. (NIV)
Here [comes in a call for] the steadfastness of the saints [the patience, the endurance of the people of God], those who [habitually] keep God's commandments and [their] faith in Jesus. (AMP)
Here is the patience of the saints: here are they that keep the commandments of God, and the faith of Jesus. (KJV)