PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
35020256-3	2022	We propose based on a chemical rational that the elevated occurrence of positively charged amino acids in certain domains of the spike protein (Delta: +4; Omicron: +5 vs. wild type) increases binding to cellular polyanionic receptors, such as heparan sulfate due to multivalent charge-charge interactions.	Heparitin Sulfate	243-258	surface glycoprotein	Severe acute respiratory syndrome coronavirus 2	129-134