<Tr> <Td> Methionine + Cystine </Td> <Td> 25 </Td> <Td> 2.5% </Td> <Td> 5.18% </Td> <Td> 2.7% + 1.3% </Td> <Td> 1.85% + 1.22% </Td> </Tr> <Tr> <Td> Phenylalanine + Tyrosine </Td> <Td> 47 </Td> <Td> 4.7% </Td> <Td> 9.39% </Td> <Td> 4.3% + 3.6% </Td> <Td> 4.51% + 3.78% </Td> </Tr> <Tr> <Td> Valine </Td> <Td> 32 </Td> <Td> 3.2% </Td> <Td> 6.83% </Td> <Td> 5% </Td> <Td> 5.63% </Td> </Tr> <Tr> <Td> Histidine </Td> <Td> 18 </Td> <Td> 1.8% </Td> <Td> 2.45% </Td> <Td> 3.1% </Td> <Td> 2.24% </Td> </Tr>

A protein that does not contain all essential amino acids in sufficient amounts is called a(n)