is an inherited disorder causing phenylalanine buildup that can harm the brain.

is a rare inherited disorder affecting how the body makes certain fats.

is a rare inherited disorder affecting brain development and fat production.

is a rare inherited disorder that mainly affects the peripheral nerves.

is a rare inherited disorder affecting muscle and fat molecule production.

is a rare inherited disorder affecting plasmalogen production and many body systems.

is a group of disorders affecting heme production and causing symptoms.

is a rare inherited condition affecting how the body breaks down proline.

is a rare inherited disorder affecting how the body processes proteins.

is a rare inherited disorder affecting how the body modifies proteins.

is a rare inherited disorder affecting brain chemicals and phenylalanine processing.

is a rare inherited disorder affecting how the body breaks down purines.

is a group of inherited disorders affecting how the body handles nucleotides.

is a rare inherited condition affecting how the body uses vitamin B6.

is a rare inherited disorder affecting how the body processes pyrimidines.

is a rare inherited disorder affecting serine or glycine production and use.

is a rare inherited condition affecting how the body processes sialic acid.

is a rare inherited disorder affecting glutathione production and the body's defenses.

is a rare inherited condition affecting how the body uses thiamine.

is a rare inherited condition affecting how the body processes tryptophan.

is a rare inherited condition affecting how the body breaks down tyrosine.

is a rare inherited disorder causing dangerous ammonia buildup in the blood.

is a rare inherited disorder affecting how vitamins and cofactors are absorbed.

is a rare condition affecting how the body absorbs and uses zinc.