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Table 4 Amino acid and nucleotide distances of selected NSPs and ESPs

From: Evolution of specifier proteins in glucosinolate-containing plants

lineage

 

AtESP

ChESP1

SpESP1

ItESP1

AtNSP3

ChNSP1

SpNSP1

ItNSP1

I

AtESP

-

0.282

0.271

0.266

0.781

   

I

ChESP1

0.248

-

0.354

0.299

 

0.940

  

II

SpESP1

0.234

0.256

-

0.153

  

0.745

 

II

ItESP1

0.228

0.257

0.120

-

   

0.724

I

AtNSP3

0.772

   

-

0.216

0.201

0.286

I

ChNSP1

 

0.751

  

0.155

-

0.153

0.229

II

SpNSP1

  

0.637

 

0.181

0.177

-

0.153

II

ItNSP1

   

0.708

0.212

0.193

0.138

-

  1. Distances are shown for NSPs and ESPs which were identified as paralogous pairs. Note that of the A. thaliana NSP sequences, only AtNSP3 is included (see Tab. S4 for all comparisons). Amino acid distances are shown on the right, nucleotide distances on the left as determined by MEGA Vers. 5.05 [39] using the Equal-input + G model (daa) and the Kimura-Two-Parameter model + G + I (dna). Alignment gaps (e.g. JAL domains that are present only in NSPs) are regarded as non-informative posititions in this analysis. The very left column indicates the Brassicaceae lineage according to [33]. Protein abbreviations are as given in Table 1.