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. Author manuscript; available in PMC: 2017 Jul 1.

Published in final edited form as: Subcell Biochem. 2016;81:21–76. doi: 10.1007/978-94-024-0945-1_2

Table 2.2.

Kinetic values of LRAT for retinol vs. CRBP-bound retinol (holo-CRBP). K_m values in μM; V_m values in pmol/min/mg protein

Substrate	Intestinal microsomes K_m; V_m	Liver microsomes K_m; V_m
Retinol	0.6 ± 0.3; 54 ± 13	0.4 ± 0.2; 80 ± 15
CRBP1-retinol	0.2 ± 0.1; 33 ± 12	0.8 ± 0.1; 76 ± 6
CRBP2-retinol	0.2 ± 0.04; 47 ± 3	0.3 ± 0.02; 61 ± 5