Source:http://linkedlifedata.com/resource/umls/id/C0034799
MSH: Proteins that bind specific drugs with high affinity and trigger intracellular changes influencing the behavior of cells. Drug receptors are generally thought to be receptors for some endogenous substance not otherwise specified.,CSP: proteins that bind specific drugs with high affinity and trigger intracellular changes influencing the behavior of cells; generally thought to be receptors for some endogenous substances not otherwise specified; postcoordinate with specific drug terms if needed.