Component of the translocon outer membrane (TOC) complex. Forms the outer envelope translocation channel (beta-barrel). Plays a role in preprotein conductance. Imported into chloroplast. Knockout mutants have abnormal etioplasts.
Computational Description
TOC75-IV; CONTAINS InterPro DOMAIN/s: Bacterial surface antigen (D15) (InterPro:IPR000184); BEST Arabidopsis thaliana protein match is: translocon at the outer envelope membrane of chloroplasts 75-III (TAIR:AT3G46740.1); Has 439 Blast hits to 437 proteins in 90 species: Archae - 0; Bacteria - 160; Metazoa - 0; Fungi - 0; Plants - 151; Viruses - 0; Other Eukaryotes - 128 (source: NCBI BLink).