In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

[EX Q]: A clinically acceptable synthetic derivative of MDP , namely murabutide ( MB ) , has been found to present interesting pharmacological properties and to suppress HIV - 1 replication in monocyte - derived macrophages ( MDM ) .
[EX A]: HIV - 1

[EX Q]: Constitutive transcription of CIITA from promoter III having been observed in unrelated melanoma cell lines , we propose the hypothesis that this phenomenon might not be a random event , but could be linked to the neoplasic state of the melanoma cells
[EX A]: promoter III

[EX Q]: We have established optimal conditions for the measurement of glucocorticoid receptors ( GR ) in human white cells using a whole - cell binding assay with [ 3H ] dexamethasone as the ligand , and the subsequent determination of the GR content in normal human lymphocytes and in leukemic cells of patients with various forms of acute and chronic leukemia .
[EX A]:
glucocorticoid receptors