PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21807371-8 2011 Low temperature and pH conditions favor stronger segregation of the PPO and PEO-oligosilicate segments in the SBA( ) structure which gives the basis of thickness control of the sheet. sba 110-113 twinkle mtDNA helicase Homo sapiens 76-79