sentence: A BLASTp amino acid sequence search of nonredundant human protein sequences with the C. reinhardtii MOT48 sequence , using default parameters , detected three putative homologous proteins : NOP17 ( BLAST E value = 5 × 10 ) , PIH1 domain containing 2 ( 2 × 10 ) , and PF13 / KTU ( 1 × 10 ) .