merge multiple file using common IDS

I have many files, which I want to merge using common Ids in Column 1. File1: MYORGANISM_I_05140.t1 Atypical/PIKK/FRAP MYORGANISM_I_06518.t1 CAMK/MLCK MYORGANISM_I_00854.t1 TK-assoc/SH2/SH2-R MYORGANISM_I_12755.t1 TK-assoc/SH2/Unique File2: MYORGANISM_I_05140.t1 VALUES to be taken MYORGANISM_I_12766.t1 what FILE3: MYORGANISM_I_16941.t1 OK MYORGANISM_I_93484.t1 LET IT BE I want to merge many file and add ‘-NA-‘ if value is missing, my desired Output:…

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