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Table 1 Interactions between SpCBM and 3’SL. Intermolecular hydrogen bonds between SpCBM and 3’SL are listed. Water molecules bound to 3’SL are also detailed

From: Structural characterization of the carbohydrate-binding module of NanA sialidase, a pneumococcal virulence factor

3’SL

Protein/Water atoms

Distance (Å)

O-1 A

Arg274-N-η2

2.88

O-1 A

Arg197-N-η1

3.15

O-1 A

H2O (W1)

2.74

O-1 B

Arg274-N-η1

2.90

O-4

Glu195-O-ε1

2.71

O-4

Glu195-O-ε2

3.39

O-4

H2O (W3)

2.66

O-8

Trp280-N-ε1

2.87

O-8

H2O (W2)

3.15

O-9

H2O (W2)

2.87

O-10

Asn209-N-δ2

2.79

N-5

Glu195-O-ε1

3.39

N-5

Glu195-O-ε2

2.77