Table 2.

Summary of Frame Rates, Diffusion Coefficients, and Compartment Sizes of Various Mammalian Transmembrane Proteins from Single-Particle-Tracking Measurements

Camera Speed	Protein	Dμ (μm2/s)	Compartment Size (nm)	Reference
150 FPS	glycine receptor GlyR α3K	1.5 × 10−1	153	(37)
20 FPS	glycine receptor GlyR α3K	1.3 × 10−1	N.D.	(38)
20 FPS	glycine receptor GlyR α3K	4.4 × 10−2	N.D.	(38)
33 FPS	EGFR	1.3 × 10−1	N.D.	(39)
50 FPS	TNF-R1	1.2 × 10−1	N.D.	(40)
33 FPS	MHC class II (TM-I-Ek)	4.5 × 10−2	42	(41)
			66
200 FPS	immunoglobulin E receptor (IgE-FcεRI)	1.6 × 10−1	513	(42)
		4.0 × 10−2	204
10 FPS	Her2	5.5 × 10−2	640	(43)
50 FPS	aquaporin-3	1.5 × 10−2	N.D.	(44)
33 FPS	mGluR3	7.8 × 10−2	N.D.	(45)
33 FPS	ADRB2	7.9 × 10−2	N.D.	(45)
33 FPS	HTR2A	6.4 × 10−2	N.D.	(45)
33 FPS	HRH1	6.6 × 10−1	N.D.	(45)
33 FPS	ADORA2A	8.3 × 10−2	N.D.	(45)
33 FPS	FFAR4	8.7 × 10−2	N.D.	(45)
33 FPS	CXCR4	8.4 × 10−2	N.D.	(45)
33 FPS	F2R	7.5 × 10−2	N.D.	(45)
33 FPS	GCGR	4.7 × 10−1	N.D.	(45)
		4.7 × 10−2

N.D., not determined.