PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31208285-6 2019 Promoter motif analysis of four maize PIN1 genes and their expression levels in response to NAA, low phosphate levels and PEG treatment indicated that ZmPIN1a and ZmPIN1b may contribute more than ZmPIN1c and ZmPIN1d to root growth regulation and abiotic stress response. 1-naphthaleneacetic acid 92-95 auxin efflux carrier component 1a Zea mays 163-170