PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26300302-2 2015 Mutations in the C-terminal region of human erythroid-specific ALAS (hALAS2) are associated with X-linked protoporphyria (XLPP), a disease characterized by extreme photosensitivity, with elevated blood concentrations of free protoporphyrin IX and zinc protoporphyrin. zinc protoporphyrin 247-266 5'-aminolevulinate synthase 2 Homo sapiens 69-75