Mutation Query     
     |   |  |  | Allele 1: | P587L, T251I |  | Allele 2:  | E1142G, W748S |  Allelic information known  |  | Refine query |   
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     |   |  | Residue T251 |  | Cluster assignment: |  |  | Cluster description: | Single Nucleotide Polymorphism |  | POLG domain: | Exonuclease domain |  
 | Residue P587 |  | Cluster assignment: |  |  | Cluster description: | Upstream DNA binding channel |  | Subcluster: | 2C (residues 561-617) |  | Subcluster description: | Subcluster 2C contains motif 1, which in Pol I was shown to fold into a loop that binds DNA in the channel (Loh and Loeb, 2005).  Motif 1, together with subcluster 2D, form the major face of the putative DNA binding channel.   |  | POLG domain: | Spacer domain |  
 | Residue W748 |  | Cluster assignment: |  |  | Cluster description: | Putative protein-protein interactions |  | Subcluster: | 5B (residues 737-749) |  | Subcluster description: | Located in the periphery of the IP subdomain of the spacer domain, distant from the DNA binding channel |  | POLG domain: | Spacer domain |  
 | Residue R1142 |  | Cluster assignment: |  |  | Cluster description: | Single Nucleotide Polymorphism |  | POLG domain: | Polymerase domain |  
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 POLG sequence has amino acid R at position 1142 (not E). Try query using R1142G 
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