PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1668278-4 1991 lacZ fusions made with the CAE mutant promoters produced novel beta-gal staining patterns that suggest the presence of one or more morphogen gradients within the prespore zone of the slug and indicate that the CAEs are also important in regulating the spatial patterning of SP60 expression in the multicellular aggregate. beta-D-galactose 63-71 gap junction protein alpha 8 Homo sapiens 27-30