PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19895395-6 2010 The chloroplast CO(2) concentration (C(trans)) at which the transition from RuBP carboxylation to RuBP regeneration limitation occurred increased with leaf temperature and was independent of growth light intensity, consistent with the constant ratio of cyt f/Rubisco. co(2) 16-21 apocytochrome f precursor Nicotiana tabacum 253-258