PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28356171-1 2017 ABSTRACT: Congenital central hypoventilation syndrome (CCHS) is a rare disorder associated with dysregulation of the autonomic ventilatory response to hypoxia and hypercarbia usually caused by polyalanine repeat expansion mutations in the PHOX 2B gene. polyalanine 193-204 paired like homeobox 2B Homo sapiens 239-246