Transcript only features from the comprehensive set of gene annotations created on GRCh38 and mapped to GRCh37 by GENCODE (v34lift37). All other features have been removed. Some annotations were obtained from GENCODE v19 when mapping failed. Scaffoldings, assenbly patches, and alternative loci are NOT included. Features include: transcript. Remapped from Ensembl GRCh37 to UCSC hg19
