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.
--------
Question:  Adhesion was inhibited by mAbs against the COOH - terminus and central cell binding domains of fibronectin , as well as by the corresponding CS1 and RGD peptides .

Answer: RGD peptides


Question:  Furthermore , the GC - rich sequences could confer Sp1 - dependent transactivation to a heterologous prolactin minimal promoter .

Answer: prolactin minimal promoter


Question:  The IR4 ORF exhibits significant homology to the immediate - early gene US1 ( ICP22 ) of herpes simplex virus type 1 and to the ICP22 homologs of varicella - zoster virus ( ORF63 ) , pseudorabies virus ( RSp40 ) , and equine herpesvirus 4 ( ORF4 ) .

Answer:
early gene