Transcript structure annotation of P. pastoris by RNA-Seq data. (A) UTR redefinition of the gene PAS_chr1-4_0666. (B) Length distribution of 5’ and 3’ UTRs of all annotated P. pastoris genes. (C) Annotated uORF in the 5’ UTR of gene PAS_chr1-3_0005. (D) Annotated uATG in the 5’ UTR of gene PAS_chr2-2_0282.