Table 3 . Components of the SAM complex: insertion of β-barrel proteins into the outer membrane.

Protein	ORF	Known function	Null phenotype
Mdm10	YAL010C		Viable, various defects
Sam35	YHR083W	Receptor	Inviable
Sam37	YMR060C		Viable, various defects
Sam50	YNL026W	β-Barrel protein of SAM complex	Inviable