The amount of a peptidyl-prolyl cis-trans isomerase-like 1 when measured in blood serum. The trait is Ontology of Biological Attributes identifier OBA_2042988 (level of peptidyl-prolyl cis-trans isomerase-like 1 in blood serum). Also known as: blood serum peptidyl-prolyl cis-trans isomerase-like 1 amount.