PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1900836-3 1991 We have now found that synapsin I forms a stable monolayer at an air-water interface which can be compressed under a lateral force of up to 60 dynes/cm, indicating the presence of amphiphilic characteristics in its structure. Water 69-74 synapsin I Homo sapiens 23-33