PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2111198-3 1990 We have tested the hypothesis according to which the problems of glycogen accumulation and the developmental arrest could be due to a metabolic lock involving glucose 6 phosphate isomerase (EC 5.3.1.9). Glycogen 65-73 glucosamine-6-phosphate deaminase 1 Mus musculus 159-188