The prosthesis component comprises: a sliding surface (24) that is designed to form a sliding joint with a counter sliding surface of another prosthesis component or with the bony counter bearing of the joint or soft tissue, and a sliding surface coating. The sliding surface is formed by the deposit of the sliding surface coating on the prosthesis component. The sliding surface coating has: an antimicrobial effect and a thickness of 0.5-5 mu m; and is obtainable by a physical vapor deposition-process. An average roughness of the sliding surface is less than 0.05 mu m. An independent claim is included for a joint endoprosthesis.