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Glucose-6-phosphate dehydrogenase ( G6PD or G6PDH ) is a cytosolic enzyme in the pentose phosphate pathway ( see image ) , a metabolic pathway that supplies reducing energy to cells ( such as erythrocyte s ) by maintaining the level of the co-enzyme nicotinamide adenine dinucleotide phosphate ( NADPH ) .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
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