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TCDB is operated by the Saier Lab Bioinformatics Group
>sp|O31490|XIS_BACSU ICEBs1 excisionase OS=Bacillus subtilis (strain 168) OX=224308 GN=xis PE=2 SV=1
MKGEFLTARDIQKILGVKQAKSYDIIRTLNAQMKEEGYMVIQGKVSRAKFEECYCYKGPKSQTG