The genomic organisation of the sheep TRA/TRD locus on chromosome 7 is deduced from the genome assembly Oar_v3.1.
The unplaced genomic scaffolds NW_004080312, NW_004084646 and NW_004084647 are inserted in the map in a potential localization. The diagram shows the position of all related and no-related TRA/TRD genes according to nomenclature. Arrows indicate transcriptional orientation of the V genes. The arrow above the line of the TRAJ genes indicates the 80 kb region that has been magnified in the lower part of the figure.
New genes have been identified by IMGT (not shown in the representation below):
Colors are according to IMGT color menu for genes.
The boxes representing the genes are not to scale. Exons are not shown.
The sheep (Ovis aries) TRA/TRD locus representation is Fig. 1 from Barbara Piccinni, Serafina Massari, Anna Caputi Jambrenghi, Francesco Giannico, Marie-Paule Lefranc, Salvatrice Ciccarese, and Rachele Antonacci. Sheep (Ovis aries) T cell receptor alpha (TRA) and delta (TRD) genes and genomic organization of the TRA/TRD locus. BMC Genomics. 2015; 16: 709. doi: 10.1186/s12864-015-1790-z. Free PMC Article. PMID: 26383271.
The figure was kindly provided by Salvatrice Ciccarese.