Which enzyme is responsible for the conversion of 2,3-bisphosphoglycerate to 3-phosphoglycerate in red blood cells?

A Phosphoglycerate kinase
B Bisphosphoglycerate mutase ✓
C Phosphoglycerate mutase
D Enolase

Explanation

Bisphosphoglycerate mutase is the enzyme responsible for converting 1,3-bisphosphoglycerate to 2,3-bisphosphoglycerate, and then 2,3-bisphosphoglycerate to 3-phosphoglycerate in red blood cells.

Source

Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Blood Components Hematology: Blood Components Hard MEDICAL Confidence: high