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Table 7 Kinetic equations for maltose disproportionation to glucose and glucosylated arabinogalactan by DPE2.

From: Kinetic modeling and exploratory numerical simulation of chloroplastic starch degradation

Haldane relation 1

[30]

Haldane relation 2

[30]

K eq

1.0 [53]

K MA 4

4.6 mM [55]

K MB 1

1.1 mM [55]

V fmax 3

; [DPE2] = 2 μM

K MP 3

11.7 mM [55]

K MQ 1

1.1 mM [55]

K iB 2

1.0 mM [55]

K iQ 2

1.0 mM [55]

K iP 3

5.57 mM

K iA 5

2.19 mM

  1. Concentrations A= maltose, B = arabinogalactan, P = glucose, and Q = glucosylated arabinogalactan.
  2. 1 The K M (arabinogalactan) and K M (glucosylated arabinogalactan) values were taken from the disproportionation reaction between 4-nitrophenyl-α-D-maltoheptaoside-4-6-O-ethylidene (EPS) as donor and maltotetraose as acceptor catalyzed by the cyclodextrin glycosyltransferase (CGTase) enzyme in Thermoanaerobacterium thermosulfurigenes.
  3. 2Substituted by the T. thermosulfurigenes K i, competitive (γ-cyclodextrin) value for the disproportionation reaction between EPS as donor and maltose as acceptor catalyzed by the T. thermosulfurigenes CGTase.
  4. 3Taken from the DPE1 model.
  5. 4 Taken from T. thermosulfurigenes K M (maltose) value for the disproportionation reaction between EPS as donor and maltose as acceptor catalyzed by the T. thermosulfurigenes CGTase.
  6. 5From Haldane relations 1 and 2 and values for associated kinetic constants given.
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BMC Systems Biology

ISSN: 1752-0509

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