This archive contains detailed information about horizontally transferred genes in Methanosarcina, such as list of genes of bacterial origin in 3 Methanosarcina species, corresponding alignments (produced by MUSCLE), neighbor-joining (NJ) trees with 100 bootstrap replicas generated by ClustalW software with default parameters (BLOSUM distance matrix), and a maximum-likelihood (ML) cladograms produced with PhyML v3.0 with default parameters