PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24631795-6 2014 The urine ALA and blood ZPP levels in workers with the ALAD 1-1 genotype were higher than those with the ALADl-2 genotype. zinc protoporphyrin 24-27 aminolevulinate dehydratase Homo sapiens 55-59