Table 2 Binding preferences of chitin-active LPMOs

CBP21

S. marcescens

β-chitin > colloidal chitin > α-chitin

(Suzuki et al. 1998; Vaaje-Kolstad et al. b)

ChbB

Bacillus amyloliquefaciens

β-chitin > α-chitin

(Chu et al. 2001)

E7

Thermobifida fusca

β-chitin > α-chitin > microcrystalline cellulose

(Moser et al. 2008)

SpCBP21

Serratia proteamaculans

β-chitin > α-chitin

(Purushotham et al. 2012)

SpCBP50

S. proteamaculans

β-chitin > α-chitin

(Purushotham et al. 2012)

BtCBP

Bacillus thuringiensis

β-chitin > α-chitin

(Manjeet et al. 2013)

BliCBP

B. licheniformis

β-chitin > α-chitin

(Manjeet et al. 2013)

SgLPMO10F

Streptomyces griseus

β-chitin > α-chitin

(Nakagawa et al. 2015)

JdLPMO10A

Jonesia denitrificans

β-chitin > α-chitin

(Mekasha et al. 2016)

LmLPMO10

Listeria monocytogenes

β-chitin slightly > α-chitin

(Paspaliari et al. 2015)

EfCBM33A

Enterococcus faecalis

β-chitin slightly > α-chitin

(Vaaje-Kolstad et al. 2012)

LlCBP33A

Lactococcus lactis

α-chitin ≈ β-chitin > Avicel > colloidal chitin > chitin beads

(Vaaje-Kolstad et al. 2009)

BtLPMO10A

B. thuringiensis

α-chitin ≈ β-chitin > chitin beads > colloidal chitin

(Zhang et al. 2015)

CjLPMO10A

Cellvibrio japonicus

α-chitin > β-chitin

(Forsberg et al. 2016)

CHB1

Streptomyces olivaceoviridis

Strictly to α-chitin

(Zeltins and Schrempf 1997)

CHB2

Streptomyces reticuli

Strictly to α-chitin

(Kolbe et al. 1998)

CHB3

Streptomyces coelicolor

α-chitin > β-chitin

(Saito et al. 2001)