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Table 1 Physicochemical properties of characterized β-mannanases from Klebsiella-Enterobacter group strains

From: Expression, homology modeling and enzymatic characterization of a new β-mannanase belonging to glycoside hydrolase family 1 from Enterobacter aerogenes B19

Bacteria strain

Mw (kDa)

Optimum

pH

Optimum

Temp (°C)

Stability

pH

Stability

Temp (°C)

Substrate

preferred

Km (mg/mL)

Vmax

References

Enterobacter aerogenes B19

82

6.5

55

3.5–9.0

≤ 60

LBG

3.01

854.22 ± 3.85 μmol/(mL min)

This work

Klebsiella pneumoniae SS11

45

9.0

70

7.0–10.6

≤ 70

LBG

1.66

833.33 μmol/(mL min)

[53]

Klebsiella oxytoca KUB-CW2-3

43

4–6

40

4–10

≤ 40

KGM

1.038

6.183 μmol/(mL min)

[63, 65]

Enterobacter sp. N18

90

7.5

50

3.0–10.0

≤ 60

LBG

3.427

134.05 μmol/(mg min)

[62]

Enterobacter ludwigii MY271

43

7.0

55

2.0–10.0

≤ 60

KGM

18.8 ± 0.8

2481 ± 13 μmol/(mg min)

[59]

Enterobacter asburiae SD26

6.0

50

LBG

25

2500 μmol/(mL min)

[69]