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Table 1 Conserved properties and interactions for barrel and helix 2.

From: Distantly related lipocalins share two conserved clusters of hydrophobic residues: use in homology modeling

Position

Struct. Info.

Conserved properties(10/10)

Conserved Interactions

 

In/out

2nd

   

11/11

10/10

9/10

42

in

loop

pho

Gly

Small (x)

   

48

in

βA

pho (x)

arom (x)

bulky (x)

 

80

80

    

Trp

   

168

      

190

190

190 (x)

      

192

192

192 (x)

49

out

βA

pho (x)

 

bulky (x)

   

52

out

βA

pho

    

189

        

220

55

in

Ω loop

  

small

   

74

out

Ω loop

Phi (x)

     

80

in

βB

pho (x)

    

39

       

48

48

        

93 (x)

91

in

βC

pho (x)

    

115 (x)

       

131

131

93

       

80 (x)

110

out

βD

Phi

     

115

in

βD

pho (x)

    

91 (x)

        

131 (x)

       

133

133 (x)

131

in

βE

pho (x)

 

bulky (x)

 

91

91

        

115 (x)

       

156

156

133

in

βE

pho (x)

   

115

115 (x)

156

in

βF

pho

   

131

131

158

in

βF

pho (x)

   

39

39

        

168

        

170 (x)

159

       

169

        

171 (x)

162

out

loop

phi (x)

     

165

out

loop

phi (x)

     

166

out

loop

phi (x)

     

168

out

βG

Pho

    

39

        

48

        

158

       

190

190

169

in

βG

pho (x)

  

205

205

205 (x)

        

159 (x)

170

       

158 (x)

        

190 (x)

171

       

159 (x)

189

       

52

        

205 (x)

190

in

βH

pho (x)

  

48

48

48 (x)

       

168

168

        

170 (x)

191

in

βH

  

Small (x)

   

192

in

βH

phi (x)

NEG

bulky

48

48

48 (x)

205

out

H2

pho (x)

  

169

169

169 (x)

        

189 (x)

214

out

loop

pho

     

220

out

βI

pho

    

52

  1. Conserved positions based on the VAST alignment and related structural information: the position of the residue relative to the barrel; inside (in) or outside (out) and the corresponding secondary structure (2nd). The conserved properties (10/10 conservation) are also presented, i.e. hydrophobic (pho), hydrophilic (phi), charged (NEG for negative charge), aromatic (arom), bulky/small, as well as the conserved interaction partner (for 11/11, 10/10 and 9/10 lipocalins). (x) indicates the properties and interactions shared by 1QFT.