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Table 3 Comparison of Xyn10A with known enzymes with bifunctional xylanase/cellulase activities

From: A novel thermostable GH10 xylanase with activities on a wide variety of cellulosic substrates from a xylanolytic Bacillus strain exhibiting significant synergy with commercial Celluclast 1.5 L in pretreated corn stover hydrolysis

Properties

Main xylanase activity

Main cellulase activity

Proteinsa:

XynA

Cex

MFC

XynT-6

Mxyn10

CbXyn10C

Xyl10A

rBhcell-xyl

CtCel5E

CbGH5

EG I-CD

EG I

Sourceb

This study

C. fimi

A. crossean

B. stearothermophilus

Demequina sp.

C. bescii

S. olivaceoviridis

B. halodurans

C. thermocellum

Chryseobacterium sp.

T. reesei

T. reesei

Length (aa), identityc

408, –

312, 18%

395, 30%

107, 14%

471, 14%

339, 17%

453, 17%

561, 11%

403, 9%

576, 11%

404, 8%

–, –

Domain architecture

GH10

GH10

GH10

GH10

GH10 + CBM2

GH10

GH10

GH5 + CBM12

GH5

GH5

GH7

GH7

Xylanase activityd

 Activity for

  Xylans

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

  pNPX

Yes

–

–

Yes

–

Yes

Yes

No

–

–

–

No

  X3–X6

Yes

–

–

Yes

–

Yes

–

–

–

–

–

–

  X2

No

–

–

No

–

No

–

–

–

–

–

No

Cellulase activityd

 Activity for

  CMC

Yes

–

Yes

Yes

Yes

Yes

–

Yes

Yes

Yes

Yes

Yes

  MCC

Yes

–

–

–

No

Yes

–

Yes

Yes

–

No

Yes

  G3–G6

Yes

–

–

–

–

Yes

–

–

Yes

–

–

–

  G2

Yes

–

–

–

–

No

–

–

No

–

–

No

  pNPC

Yes

Yes

Yes

Yes

–

No

Yes

–

–

–

Yes

Yes

  pNPG

Yes

Yes

–

Yes

–

Yes

–

No

–

Yes

Yes

No

References

This study

[8]

[9]

[10, 11]

[12]

[13]

[29]

[31]

[32]

[33]

[34]

[35, 36]

  1. MCC microcrystalline cellulose substrates
  2. aThe GenBank accession numbers for related enzymes are: XynA (MK064556), Cex (2HIS_A), MFC (ACC86116), XynT-6 (P40943), Mxyn10 (ACM41799), CbXyn10C (5OFL_A), Xyl10A (WP_003978188), rBhcell-xyl (ALL28250), CtCel5E (4U3A_B), CbGH5 (ANQ80467), and EG I-CD (AAA34212). EG I has only been partial sequenced, so full amino sequence is not available
  3. bSource: C. fimi, Cellulomonas fimi. A. crossean, Ampullaria crossean. B. stearothermophilus, Bacillus stearothermophilus T-6. C. bescii, Caldicellulosiruptor bescii DSM 6725. S. olivaceoviridis, Streptomyces olivaceoviridis E-86. B. halodurans, Bacillus halodurans TSLV1. C. thermocellum, Clostridium thermocellum. T. reesei, Trichoderma reesei
  4. cThe values for amino acid sequence identity were obtained using CLUSTAL W (https://www.genome.jp/tools-bin/clustalw)
  5. d –: the information is not available in the reference