Enzyme

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     1. Oxidoreductases
        1.5 Acting on the CH-NH group of donors
            1.5.1 With NAD+ or NADP+ as acceptor
ID:1.5.1.34
Description:6,7-dihydropteridine reductase.
Alternative Name: NADPH-specific dihydropteridine reductase.
NADPH-dihydropteridine reductase.
NADH-dihydropteridine reductase.
NAD(P)H(2):6,7-dihydropteridine oxidoreductase.
Dihydropteridine reductase (NADH).
Dihydropteridine reductase.
Dihydropteridine (reduced nicotinamide adenine dinucleotide) reductase.
DHPR.
6,7-dihydropteridine:NAD(P)H oxidoreductase.
Prosite: PDOC00060;
PDB:
PDBScop
Cath: 1.10.800.10; 3.30.70.260; 3.40.109.10; 3.40.50.720;

3D structure

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References

External Links

UniProtKB Enzyme Link: UniProtKB 1.5.1.34
BRENDA Enzyme Link: BRENDA 1.5.1.34
KEGG Enzyme Link: KEGG1.5.1.34
BioCyc Enzyme Link: BioCyc 1.5.1.34
ExPASy Enzyme Link: ExPASy1.5.1.34
EC2PDB Enzyme Link: EC2PDB 1.5.1.34
ExplorEnz Enzyme Link: ExplorEnz 1.5.1.34
PRIAM enzyme-specific profiles Link: PRIAM 1.5.1.34
IntEnz Enzyme Link: IntEnz 1.5.1.34
MEDLINE Enzyme Link: MEDLINE 1.5.1.34
MSA:

1.5.1.34;

Phylogenetic Tree:

1.5.1.34;

Uniprot:
M-CSA:
RHEA:17865 5,6,7,8-tetrahydropteridine + NADP(+) = 6,7-dihydropteridine + H(+) + NADPH
RULE(radius=1) [*:1]-[n+;H0:2]1:[cH;+0:3]:[cH;+0:4]:[cH;+0:5]:[c;H0;+0:6](-[*:7]):[cH;+0:8]:1.[*:9]:[c;H0;+0:10]1:[c;H0;+0:11](:[*:12])-[NH;+0:13]-[*:14]-[*:15]-[NH;+0:16]-1>>[*:1]-[N;H0;+0:2]1-[CH;+0:3]=[CH;+0:4]-[CH2;+0:5]-[C;H0;+0:6](-[*:7])=[CH;+0:8]-1.[*:9]:[c;H0;+0:10]1:[c;H0;+0:11](:[*:12])=[N;H0;+0:13]-[*:14]-[*:15]-[N;H0;+0:16]=1
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References

TitleAuthorsDatePubMed ID
Dihydropteridine reductase from bovine liver. Purification, crystallization, and isolation of a binary complex with NADH.Hasegawa H1977 Jan191436

RHEA:17869 5,6,7,8-tetrahydropteridine + NAD(+) = 6,7-dihydropteridine + H(+) + NADH
RULE(radius=1) [*:1]-[n+;H0:2]1:[cH;+0:3]:[cH;+0:4]:[cH;+0:5]:[c;H0;+0:6](-[*:7]):[cH;+0:8]:1.[*:9]:[c;H0;+0:10]1:[c;H0;+0:11](:[*:12])-[NH;+0:13]-[*:14]-[*:15]-[NH;+0:16]-1>>[*:1]-[N;H0;+0:2]1-[CH;+0:3]=[CH;+0:4]-[CH2;+0:5]-[C;H0;+0:6](-[*:7])=[CH;+0:8]-1.[*:9]:[c;H0;+0:10]1:[c;H0;+0:11](:[*:12])=[N;H0;+0:13]-[*:14]-[*:15]-[N;H0;+0:16]=1
Reaction
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References

TitleAuthorsDatePubMed ID
Dihydropteridine reductase. Investigation of the specificity for quinoid dihydropteridine and the inhibition by 2,4-diaminopteridines.Lind KE1972 Feb4402916
A new enzyme, NADPH-dihydropteridine reductase in bovine liver.Nakanishi N, Hasegawa H, Watabe S1977 Mar16875

RHEA:32247 (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + NADP(+) = (6R)-L-erythro-6,7-dihydrobiopterin + H(+) + NADPH
RULE(radius=1) [*:1]-[n+;H0:2]1:[cH;+0:3]:[cH;+0:4]:[cH;+0:5]:[c;H0;+0:6](-[*:7]):[cH;+0:8]:1.[*:9]=[c;H0;+0:10]1:[nH;+0:11]:[c;H0;+0:12](-[*:13]):[n;H0;+0:14]:[c;H0;+0:15](-[*:16]):[c;H0;+0:17]:1-[NH;+0:18]-[*:19]>>[*:1]-[N;H0;+0:2]1-[CH;+0:3]=[CH;+0:4]-[CH2;+0:5]-[C;H0;+0:6](-[*:7])=[CH;+0:8]-1.[*:9]=[C;H0;+0:10]1-[N;H0;+0:11]=[C;H0;+0:12](-[*:13])-[N;H0;+0:14]=[C;H0;+0:15](-[*:16])-[C;H0;+0:17]-1=[N;H0;+0:18]-[*:19]
Reaction
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References

TitleAuthorsDatePubMed ID
Dihydropteridine reductase. Investigation of the specificity for quinoid dihydropteridine and the inhibition by 2,4-diaminopteridines.Lind KE1972 Feb4402916
Dihydropteridine reductase from bovine liver. Purification, crystallization, and isolation of a binary complex with NADH.Hasegawa H1977 Jan191436
A new enzyme, NADPH-dihydropteridine reductase in bovine liver.Nakanishi N, Hasegawa H, Watabe S1977 Mar16875

RHEA:32251 (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + NAD(+) = (6R)-L-erythro-6,7-dihydrobiopterin + H(+) + NADH
RULE(radius=1) [*:1]-[n+;H0:2]1:[cH;+0:3]:[cH;+0:4]:[cH;+0:5]:[c;H0;+0:6](-[*:7]):[cH;+0:8]:1.[*:9]=[c;H0;+0:10]1:[nH;+0:11]:[c;H0;+0:12](-[*:13]):[n;H0;+0:14]:[c;H0;+0:15](-[*:16]):[c;H0;+0:17]:1-[NH;+0:18]-[*:19]>>[*:1]-[N;H0;+0:2]1-[CH;+0:3]=[CH;+0:4]-[CH2;+0:5]-[C;H0;+0:6](-[*:7])=[CH;+0:8]-1.[*:9]=[C;H0;+0:10]1-[N;H0;+0:11]=[C;H0;+0:12](-[*:13])-[N;H0;+0:14]=[C;H0;+0:15](-[*:16])-[C;H0;+0:17]-1=[N;H0;+0:18]-[*:19]
Reaction
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References

TitleAuthorsDatePubMed ID
Dihydropteridine reductase. Investigation of the specificity for quinoid dihydropteridine and the inhibition by 2,4-diaminopteridines.Lind KE1972 Feb4402916
Dihydropteridine reductase from bovine liver. Purification, crystallization, and isolation of a binary complex with NADH.Hasegawa H1977 Jan191436
A new enzyme, NADPH-dihydropteridine reductase in bovine liver.Nakanishi N, Hasegawa H, Watabe S1977 Mar16875