PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28559318-2 2017 However, apoE4 differs from apoE3 by only a single amino acid at position 112, which is arginine in apoE4 and cysteine in apoE3. Arginine 88-96 apolipoprotein E Homo sapiens 9-14 28559318-2 2017 However, apoE4 differs from apoE3 by only a single amino acid at position 112, which is arginine in apoE4 and cysteine in apoE3. Arginine 88-96 apolipoprotein E Homo sapiens 28-33 28559318-2 2017 However, apoE4 differs from apoE3 by only a single amino acid at position 112, which is arginine in apoE4 and cysteine in apoE3. Arginine 88-96 apolipoprotein E Homo sapiens 100-105