CSN5 CSN5B COP9-signalosome 5B AJH2 AT1G71230 COP9-signalosome 5B (CSN5B); CONTAINS InterPro DOMAIN/s: Mov34/MPN/PAD-1 (InterPro:IPR000555); BEST Arabidopsis thaliana protein match is: COP9 signalosome 5A (TAIR:AT1G22920.1); Has 1278 Blast hits to 1275 proteins in 253 species: Archae - 0; Bacteria - 6; Metazoa - 459; Fungi - 394; Plants - 243; Viruses - 0; Other Eukaryotes - 176 (source: NCBI BLink).