Figure 6. Exon–intron organization of the spn1 gene.

Exons are depicted as numbered bars. Protein coding parts are marked in black, and untranslated regions are denoted as open boxes. Introns are represented as lines. The genomic DNA co-ordinates indicated refer to the numbering used for the sequence deposited in DDBJ, EMBL, GenBank® and GSDB Nucleotide Sequence Databases (accession no. AJ889984).