Protein Coding Features based on feature's gene biotype from the comprehensive set of gene annotations including reference chromosomes, scaffoldings, assembly patches, and alternative loci. All non-protein coding features have been removed. Data is specific to GENCODE Release 34 (Ensembl 100). Features include: CDS, Selenocysteine, UTR, exon, gene, start_codon, stop_codon, transcript. Remapped from Ensembl GRCh38 to UCSC hg38.