Ensembl Release 79 (March 2015): Core data for all species are built from Ensembl v79, so **_Homo sapiens_** uses now assembly GRCh38.p2 and GENCODE 22, you can query the rest of assemblies at [**Ensembl table of assemblies**](http://www.ensembl.org/info/website/archives/assembly.html). These includes genome sequence, gene sets, variation and regulation. Ensembl Release 75 (Feb 2014) is used only for keeping old **_Homo sapiens_ GRCh37** assembly.