Table 1 Composition, sequence parameters, and Mw for mannuronan (Mw = 140 kDa) incubated with AcAlgE1 for 12–48 h.

From: Functional characterization of three Azotobacter chroococcum alginate-modifying enzymes related to the Azotobacter vinelandii AlgE mannuronan C-5-epimerase family

Time (h)

FG

FM

FGG

FMG/GM

FMM

FMGG/GGM

FMGM

FGGG

NG > 1

Mw (Da)

12

0.586

0.414

0.508

0.078

0.335

0.041

0.039

0.466

13.2

1.1 × 105

24

0.831

0.169

0.762

0.068

0.101

0.045

0.028

0.718

17.9

1.1 × 105

48

0.865

0.135

0.802

0.063

0.072

0.043

0.023

0.760

19.6

1.1 × 105

  1. FG denotes the fraction of guluronic acid. The fractions of different diads and triads are indicated with two and three letters, respectively. NG>1 is the average G-block length calculated as (FG − FMGM)/FMGG.