Table 2 Comparison of hydrolyzing capacities among NFAg31A and α-glucosidases in GH31-1 subfamily

NFAg31A

Fungi from NF daqu

1.59(nigerose); 0.63(kojibiose); 0.38(maltose); 2.40(soluble starch); 0.0017(isomaltose); 0.053 ± 0.001(pNPαG)

1.52(nigerose); 0.82(kojibiose); 0.39(maltose); 14.9(soluble starch) 0.0014(isomaltose); 0.19(pNPαG)

Glc-α1,3-Glc > Glc-α1,2-Glc > Glc-α1,4-Glc > > Glc-α1,6-Glc

This study

AcAGII

Apis cerana

0.0016(pNPαG)

-

Glc-α1,3-Glc > Glc-α1,3-Man

[32]

SsAGII

Sporothrix schenckii

0.19(nigerose); 0.06(kojibiose); 0.05(maltose); 0.02(isomaltose); 0.46(4-methylumbelliferyl-a-D-glucopyranoside)

-

Glc-α1,3-Glc > Glc-α1,3-Man

[41]

SpAGII

Schizosaccharomyces pombe

-

0.048(nigerose); 0.003(kojibiose); 0.013(maltose); 0.00001 (isomaltose); 0.004(pNPαG)

Glc-α1,3-Glc > Glc-α1,3-Man

[34]

NtMGAM

Human

7.57(maltose); 0.10(isomaltose)

-

Glc-α1,4-Glc > > Glc-α1,6-Glc

[21]

NtSI

Human

-

19(maltose); 9(isomaltose)

Glc-α1,4-Glc > Glc-α1,6-Glc

[44]

CtMGAM

Human

-

3.97(maltose)

Glc-α1,4-Glc

[22]

SbAG

Sugar beet

-

13.7(maltose); 1230(soluble starch)

Glc-α1,4-Glc

[37]

AiAG

Acremonium implicatum

-

732(nigerose);286(maltose); 10.8 (kojibiose); 1280(soluble starch)

Glc-α1,3-Glc > Glc-α1,4-Glc > Glc-α1,2-Glc

[33]

AnAG

Aspergillus niger

-

558(maltose); 188(soluble starch)

Glc-α1,4-Glc

[37]

LjAG

Lactobacillus johnsonii

-

43.9(nigerose); 26.1(kojibiose); 3.99(maltose); 10.6(isomaltose); 0.712(soluble starch)

Glc-α1,3-Glc, Glu-α-1,4-Fru and Glc-α1,2-Glc > Glc-α1,6-Glc > Glc-α1,4-Glc, Glu-α-1,6-Fru, Glu-α-1,3-Fru and Glu-α-1,5-Fru

[26]

TaAG

Thermoplasma acidophilum

582(maltose); 445(kojibiose); 233(nigerose); 153(isomaltose);

220(maltose); 103(kojibiose); 5.4(isomaltose);

Glc-α1,4-Glc > Glc-α1,2-Glc > Glc-α1,3-Glc > > Glc-α1,6-Glc

[39]

LlAG

Lactococcus lactis

6.3(nigerose);0.34(kojibiose); 0.01(maltose);

0.003(isomaltose);

1.1(nigerose);0.1(kojibiose); 0.02(maltose);

Glc-α1,3-Glc > > Glc-α1,2-Glc > > Glc-α1,4-Glc > Glc-α1,6-Glc

[13]

SsAG

Sulfolobus solfataricus

3.32(maltose);0.25(isomaltose); <0.01(starch)

-

Glc-α1,4-Glc > Glc-α1,6-Glc

[49]

SaAG

Sulfolobus acidocaldarius

799.2(maltose); 578.6(kojibiose); 193.7(nigerose);156.3(isomaltose); 4.4(starch)

-

Glc-α1,4-Glc > Glc-α1,2-Glc > Glc-α1,3-Glc > Glc-α1,6-Glc

[38]

PaAG

Pyrobaculum arsenaticum

5.84(maltose); 1.53(isomaltose); 4.86(kojibiose); 5.24(nigerose)

-

Glc-α1,4-Glc, Glc-α1,3-Glc and Glc-α1,2-Glc > Glc-α1,6-Glc

[15]