The amount of a cyclic AMP-responsive element-binding protein 3-like protein 1 when measured in blood serum. The trait is Ontology of Biological Attributes identifier OBA_2041132 (level of cyclic AMP-responsive element-binding protein 3-like protein 1 in blood serum). Also known as: blood serum cyclic AMP-responsive element-binding protein 3-like protein 1 amount.