A protein complex that contains the homeodomain proteins PDX1, PBX1b and MRG1 (MEIS2) and is involved in the transcriptional regulation of pancreatic acinar cell-specific genes. [ http://www.ncbi.nlm.nih.gov/pubmed/9710595 http://www.ncbi.nlm.nih.gov/pubmed/11279116 ]
Synonyms: acinar cell-specific C complex
This is just here as a test because I lose it