Table 2 List of selected cellulose binding domains.

1

CBD_1-1

Cel6A(CelA) from Neocallimastix patriciarum J11

1

Cysteine knot

N

Crystalline

2

CBD_1-2

Cel6A(CBH II) from Trichoderma reesei QM9414

1

Cysteine knot

N

Crystalline

3

CBD_1-3

Cel7A(CBH I) from Trichoderma reesei L27

1

Cysteine knot

C

Crystalline

4

CBD_1-4

Cel5A(EG II) from Trichoderma reesei

1

Cysteine knot

N

Crystalline

5

CBD_1-5

Cel7B(EG I) from Trichoderma reesei

1

Cysteine knot

C

Crystalline

6

CBD_2-1

Cel48A (CBH B) from Cellulomonas fimi ATCC 484

2

β-sandwich

C

Crystalline

7

CBD_2-2

Cel45A from Cellvibrio japonicus Ueda107

2

β-sandwich

N

Crystalline

8

CBD_2-3

Cel6A(E2) from Thermobifida fusca YX

2

β-sandwich

C

Crystalline

9

CBD_2-4

Cel6B(E3) from Thermobifida fusca YX

2

β-sandwich

N

Crystalline

10

CBD_2-5

Cel48A (E6) from Thermobifida fusca YX

2

β-sandwich

N

Crystalline

11

CBD_2-6

Cel9A(E4) from Thermobifida fusca YX

2

β-sandwich

C

Crystalline

12

CBD_3-1

CipA from Ruminiclostridium thermocellum

3

β-sandwich

N

Crystalline

13

CBD_3-2

Cel48B (CelY) from Ruminiclostridium thermocellum ATCC27405

3

β-sandwich

C

Crystalline

14

CBD_3-3

Cel9A(E4) from Thermobifida fusca YX

3

β-sandwich

N

Crystalline

15

CBD_4-1

CenC N2 from Cellulomonas fimi 484

4

β-sandwich

N

Amorphous

16

CBD_4-2

Cel9K from Ruminiclostridium thermocellum ATCC 27,405

4

β-sandwich

N

Amorphous

17

CBD₆

Cel5A (EGB) from Cellvibrio mixtus ATCC 12,120

6

β-sandwich

C

β-1,3–1,4-glucan

18

CBD₈

CelA from Dictyostelium discoideum

8

Unknown

C

Cellulose

19

CBD₉

Xyn10B from Ruminiclostridium stercorarium

9

β-sandwich

C

Cello-oligosaccharide

20

CBD₁₀

Cel45A (EGB) from Cellvibrio japonicus Ueda107

10

OB-fold

N

Crystalline

21

CBD₁₁

EG/ β-1,3:1,4-glucanase H (CelH) from Ruminiclostridium thermocellum NCIB 10,682

11

β-sandwich

C

Amorphous

22

CBD_17-1

Cel5A(EGF) from Ruminiclostridium cellulovorans

17

β-sandwich

N

Amorphous

23

CBD₃₀

Cel51A from Fibrobacter succinogenes subsp. succinogenes S85

30

–

N

Cellulose

24

CBD₃₇

Cel9D from Ruminococcus albus 20

37

Unknown

C

Crystalline

25

CBD₄₄

Cel9D-Cel44A (CelJ,) from Ruminiclostridium thermocellum F1

44

–

C

Cellulose

26

CBD₄₆

CelB from Bacillus halodurans C-125

46

Unknown

C

Cellulose

27

CBD₄₉

EG 8 from Solanum lycopersicum

49

Unknown

C

Crystalline

28

CBD₆₃

Expansin (Exlx1) from Bacillus subtilis subsp. subtilis str. 168

63

Double-psi-β-barrel fold

Ig like folds

ND

Crystalline

29

CBD₆₄

STHERM_c20640 (ADN02998.1) from Spirochaeta thermophila DSM 6192

64

Unknown

C

Crystalline

30

CBD_N.C

Cellulose binding protein (Cbp1) ADD62691.1 from Heterodera avenae

N.C

Unknown

ND

Cellulose