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- Name help_outline (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin Identifier CHEBI:59560 (CAS: 17528-72-2,27070-47-9) help_outline Charge 0 Formula C9H15N5O3 InChIKeyhelp_outline FNKQXYHWGSIFBK-RPDRRWSUSA-N SMILEShelp_outline [H][C@@]1(CNc2nc(N)[nH]c(=O)c2N1)[C@@H](O)[C@H](C)O 2D coordinates Mol file for the small molecule Search links Involved in 13 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline NADP+ Identifier CHEBI:58349 Charge -3 Formula C21H25N7O17P3 InChIKeyhelp_outline XJLXINKUBYWONI-NNYOXOHSSA-K SMILEShelp_outline NC(=O)c1ccc[n+](c1)[C@@H]1O[C@H](COP([O-])(=O)OP([O-])(=O)OC[C@H]2O[C@H]([C@H](OP([O-])([O-])=O)[C@@H]2O)n2cnc3c(N)ncnc23)[C@@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 1,294 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline (6R)-L-erythro-6,7-dihydrobiopterin Identifier CHEBI:43120 (CAS: 79647-29-3) help_outline Charge 0 Formula C9H13N5O3 InChIKeyhelp_outline ZHQJVZLJDXWFFX-RPDRRWSUSA-N SMILEShelp_outline C1=2C(=N[C@H](CN1)[C@H]([C@H](C)O)O)C(N=C(N2)N)=O 2D coordinates Mol file for the small molecule Search links Involved in 6 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline NADPH Identifier CHEBI:57783 (Beilstein: 10411862) help_outline Charge -4 Formula C21H26N7O17P3 InChIKeyhelp_outline ACFIXJIJDZMPPO-NNYOXOHSSA-J SMILEShelp_outline NC(=O)C1=CN(C=CC1)[C@@H]1O[C@H](COP([O-])(=O)OP([O-])(=O)OC[C@H]2O[C@H]([C@H](OP([O-])([O-])=O)[C@@H]2O)n2cnc3c(N)ncnc23)[C@@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 1,288 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H+ Identifier CHEBI:15378 Charge 1 Formula H InChIKeyhelp_outline GPRLSGONYQIRFK-UHFFFAOYSA-N SMILEShelp_outline [H+] 2D coordinates Mol file for the small molecule Search links Involved in 9,521 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Cross-references
| RHEA:32247 | RHEA:32248 | RHEA:32249 | RHEA:32250 | |
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| Reaction direction help_outline | undefined | left-to-right | right-to-left | bidirectional |
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Related reactions help_outline
More general form(s) of this reaction
Publications
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Dihydropteridine reductase. Investigation of the specificity for quinoid dihydropteridine and the inhibition by 2,4-diaminopteridines.
Lind K.E.
Eur J Biochem 25:560-562(1972) [PubMed] [EuropePMC]
This publication is cited by 2 other entries.
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Dihydropteridine reductase from bovine liver. Purification, crystallization, and isolation of a binary complex with NADH.
Hasegawa H.
Dihydropteridine reductase [EC 1.6.99.7] was purified from bovine liver in 50% yield and crystallized. The physicochemical properties of the purified enzyme were quite similar to those of sheep liver dihydropteridine reductase. During the course of purification, however, the enzyme was found to be ... >> More
Dihydropteridine reductase [EC 1.6.99.7] was purified from bovine liver in 50% yield and crystallized. The physicochemical properties of the purified enzyme were quite similar to those of sheep liver dihydropteridine reductase. During the course of purification, however, the enzyme was found to be separated into 2 major peaks together with minor peaks by column chromatography on CM-Sephadex, and one of the major peaks was identified as a binary complex of the enzyme with NADH. The reductase-NADH complex was also prepared in vitro and crystallized. Upon addition of quinonoid-dihydropterin to the complex, NADH was oxidized and released from the enzyme. The amount of bound NADH was calculated to be 2 moles per mole of the reductase. The occurrence of the reductase-NADH was calculated to be 2 moles per mole of the reductase. The occurrence of the reductase-NADH complex in bovine liver extract as a predominant form was in accord with the pyridine nucleotide specificity for NADH as a coenzyme. The results further support the view that NADH is the natural coenzyme of this reductase. << Less
J Biochem 81:169-177(1977) [PubMed] [EuropePMC]
This publication is cited by 2 other entries.
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A new enzyme, NADPH-dihydropteridine reductase in bovine liver.
Nakanishi N., Hasegawa H., Watabe S.
An enzyme designated as NADPH-dihydropteridine reductase was found in the extract of bovine liver and partially purified. In contrast to NADH-dpendent dihydropteridine reductase [EC 1.6.99.7], the enzyme catalyzes the reduction of quinonid-dihydropterin to tetrahydropterin in the presence of NADPH ... >> More
An enzyme designated as NADPH-dihydropteridine reductase was found in the extract of bovine liver and partially purified. In contrast to NADH-dpendent dihydropteridine reductase [EC 1.6.99.7], the enzyme catalyzes the reduction of quinonid-dihydropterin to tetrahydropterin in the presence of NADPH. The two enzymes were separated by column chromatography on DEAE-sephadex. Tyrosine formation in the phenylalanine hydroxylation system was also stimulated by NADPH-dihydropteridine reductase. The existence of these two dihydropteridine reductases suggests that the tetrahydro from ofpteridine cofactor may be regenerated in two different ways in vivo. << Less
J Biochem 81:681-685(1977) [PubMed] [EuropePMC]
This publication is cited by 2 other entries.