Table 2 Hydrogen bonding interactions between BoGT6a and FAL. The distances given are the range observed in all four molecules of BoGT6a-FAL. Protein atom labels italicised are from a symmetry related molecule. Atom labels are as shown in Figure 2

From: Structure of a metal-independent bacterial glycosyltransferase that catalyzes the synthesis of histo-blood group A antigen

Protein Atom (BoGT6a)

Ligand Atom (2′-fucosyllactose)

Distance (Ã…)

 

O5*

3.28–3.41

His 122 NE2

O4*

2.31–2.83

Lys 128 NZ

O2′

3.06–3.39

Thr 134 OG1

O6*

3.28–3.45

Trp 189 NE1

O6*

2.84–3.33

Glu 192 OE1

O4*

2.41–3.21

Glu 192 OE2

O4*

2.64–3.21

 

O1′

2.56–3.46

Lys 128 NZ

O2′

3.27–3.39

 

O5′

3.13–3.43

Glu 132 OE2

O6′

2.71–3.20

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