Tyrosine degradation

(1) Tyrosinemia type II – Corneal ulcers, hyperkeratosis, occasional intellectual disability.

(2) Tyrosinemia type III – Possible intellectual disability.

(3) Alkaptonuria – Ochronosis, black urine.

(4) Maleylacetoacetate isomerase deficiency – Phenotype?

(5) Tyrosinemia type I – Liver failure, kidney damage.