May activate the G protein-coupled receptor GPR83 (PubMed:32713278, PubMed:37689599). Has orexigenic activity. Plays a role in the brain-adipose axis that controls feeding (By similarity). {ECO:0000250|UniProtKB:Q3UQ24, ECO:0000269|PubMed:32713278, ECO:0000269|PubMed:37689599}. This is the function of ENSG00000283267 (FAM237B, family with sequence similarity 237 member B).