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Botanical Studies

Table 1 Kinetic characterization of ClPDI and that from other sources

From: Lemon protein disulfide isomerase: cDNA cloning and biochemical characterization

Species

K M

k cat

kcat/KM

Ref.

(μM)

(min-1)

(min-1 mM-1)

Lemon

8.3 × 10-3

3.0 × 10-5

3.6 × 10-1

This study

Human*

0.21 ~ 2

0.21 ~ 0.89

1 ~ 0.44

Westphal et al. 1998

Bovine

8.0 ± 1.5

0.46 ± 0.05

5.58 × 10-2

Lyles and Gilbert 1991

Bovine

380

NA

NA

Lambert and Freedman 1983

Rat

67 ± 7

1.3 ± 0.1

1.94 × 10-2

Walker and Gilbert 1997

  1. Values for PDI are from this work (lemon) or from the literatures (human, bovine, and rat ).
  2. *Human PDI was assayed using fluorescence-quenched peptides as substrate instead of sRNase A.
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