STRING 9.05 
There are several matches for 'P75970'.
Please select one from the list below and press Continue to proceed.
 
  
 
 organism  protein 
 Escherichia coli K12_MG1655 
xisE - e14 prophage; predicted excisionase
 Escherichia coli K12_W3110 
xisE - predicted excisionase