Table 2.

Bell model parameters

Receptor–ligand pair (ref.)	γ, Å	kro, s−1
E-selectin–neutrophil (33)	0.31	0.7
E-selectin–neutrophil (34)	0.18	2.6
P-selectin–neutrophil (21)	0.40	0.93
P-selectin–neutrophil (34)	0.39	2.4
P-selectin–PSGL-1 (23)	2.5	0.022
P-selectin–PSGL-1 (35)	0.29	1.1
P-selectin mutant–PSGL-1 (35)	0.24	1.8
P-selectin mutant–PSGL-1 (35)	0.33	1.7
P-selectin mutant–PSGL-1 (35)	0.42	1.6
L-selectin–neutrophil (36)	0.24	7.0
L-selectin–neutrophil (34)	1.11	2.8
L-selectin–PSGL-1 (35)	0.16	8.6
L-selectin mutant–PSGL-1 (35)	0.15	12.7
L-selectin mutant–PSGL-1 (35)	0.12	17.3
L-selectin mutant–PSGL-1 (35)	0.11	18.3
PNAd–neutrophil (33)	0.20	6.8
PNAd–neutrophil (34)	0.59	3.8
Streptavidin–biotin rf < 104 pN⋅s−1 (22)	5.1	0.013
Streptavidin–biotin rf > 104 pN⋅s−1 (22)	1.0	26.9
Protein A–IgG (37)	7.3	0.12
PM-81 antibody–neutrophil (13)	0.88	2.0