Ribokinase

spinqualitylabelsall models E. coli ribokinase dimer complexed with ribose, ADP and Na+ ion (PDB id 1rkd) Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Function Ribokinase (RK) catalyzes the first step of ribose metabolism by phosphorylating it at the O5' position . ATP serves as the co-substrate of RK. Structural highlights Upon forming a ternary complex of RK, ribose and nucleotide the RK dimer changes its open form to a closed one. The ribose substrate interacts with residues Lys43 and Thr30 Ribokinase 3D structures Ribokinase 3D structures

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