TCDB is operated by the Saier Lab Bioinformatics Group

1.M.5.  The Putative Spanin5 (Spanin5) Family 

This family consists of a single pair of proteins, both designated 'spanin' in the NCBI and UniProt databases, and both having an N-terminal TMS. They are from Burkholderia phage BcepF1 and are encoded by adjacent genes.