With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Las Vegas is in Nevada.
text_B: In enzymology , a dTDP-4-amino-4 ,6 - dideoxy-D-glucose transaminase is an enzyme that catalyzes the chemical reaction. enzymology. enzymology. enzyme. enzyme. catalyzes. catalysis. chemical reaction. chemical reaction. dTDP-4-amino-4 ,6 - dideoxy-D-glucose + 2-oxoglutarate dTDP-4-dehydro-6-deoxy-D-glucose + L-glutamate. 2-oxoglutarate. 2-oxoglutarate. dTDP-4-dehydro-6-deoxy-D-glucose. dTDP-4-dehydro-6-deoxy-D-glucose. L-glutamate. L-glutamate. Thus , the two substrates of this enzyme are dTDP-4-amino-4 ,6 - dideoxy-D-glucose and 2-oxoglutarate , whereas its two products are dTDP-4-dehydro-6-deoxy-D-glucose and L-glutamate .. enzyme. enzyme. substrates. substrate ( biochemistry ). 2-oxoglutarate. 2-oxoglutarate. products. product ( chemistry ). dTDP-4-dehydro-6-deoxy-D-glucose. dTDP-4-dehydro-6-deoxy-D-glucose. L-glutamate. L-glutamate. This enzyme belongs to the family of transferases , specifically the transaminases , which transfer nitrogenous groups .. enzyme. enzyme. transaminases. transaminases. The systematic name of this enzyme class is dTDP-4-amino-4 ,6 - dideoxy-D-glucose  :2 - oxoglutarate aminotransferase .. enzyme. enzyme. systematic name. List of enzymes. Other names in common use include thymidine diphospho-4-amino-4 ,6 - dideoxyglucose aminotransferase , thymidine diphospho-4-amino-6-deoxyglucose aminotransferase , thymidine diphospho-4-keto-6-deoxy-D-glucose transaminase , thymidine diphospho-4-keto-6-deoxy-D-glucose-glutamic transaminase , and TDP-4-keto-6-deoxy-D-glucose transaminase .. This enzyme participates in nucleotide sugars metabolism .. enzyme. enzyme. nucleotide sugars metabolism. nucleotide sugars metabolism. It employs one cofactor , pyridoxal phosphate .. cofactor. cofactor ( biochemistry ). pyridoxal phosphate. pyridoxal phosphate
not_related.