Structure of PDB 3d80 Chain A Binding Site BS02

Receptor Information
>3d80 Chain A (length=186) Species: 10090 (Mus musculus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VRPLNCIVAVSQNMGIGKNGDLPWPPLRNEFKYFQRMTTTSSVEGKQNLV
IMGRKTWFSIPEKNRPLKDRINIVLSRELKEPPRGAHFLAKSLDDALRLI
EQPELASKVDMVWIVGGSSVYQEAMNQPGHLRLFVTRIMQEFESDTFFPE
IDLGKYKLLPEYPGVLSEVQEEKGIKYKFEVYEKKD
Ligand information
Ligand IDQ22
InChIInChI=1S/C21H19N7O/c22-19-18-20(27-21(23)26-19)24-10-14(25-18)11-28-16-4-2-1-3-12(16)5-6-13-9-15(29)7-8-17(13)28/h2-10,16,29H,1,11H2,(H4,22,23,24,26,27)/t16-/m0/s1
InChIKeyPCBWLKUEKANDCL-INIZCTEOSA-N
SMILES
SoftwareSMILES
CACTVS 3.370Nc1nc(N)c2nc(CN3[C@H]4C=CCC=C4C=Cc5cc(O)ccc35)cnc2n1
CACTVS 3.370Nc1nc(N)c2nc(CN3[CH]4C=CCC=C4C=Cc5cc(O)ccc35)cnc2n1
ACDLabs 12.01Oc1cc2c(cc1)N(C3C=CCC=C3C=C2)Cc4nc5c(nc4)nc(nc5N)N
OpenEye OEToolkits 1.7.6c1cc2c(cc1O)C=CC3=CCC=CC3N2Cc4cnc5c(n4)c(nc(n5)N)N
OpenEye OEToolkits 1.7.6c1cc2c(cc1O)C=CC3=CCC=C[C@@H]3N2Cc4cnc5c(n4)c(nc(n5)N)N
FormulaC21 H19 N7 O
Name(4aS)-5-[(2,4-diaminopteridin-6-yl)methyl]-4a,5-dihydro-2H-dibenzo[b,f]azepin-8-ol
ChEMBL
DrugBankDB08448
ZINCZINC000039112944
PDB chain3d80 Chain A Residue 188 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3d80 Structural analysis of a holoenzyme complex of mouse dihydrofolate reductase with NADPH and a ternary complex with the potent and selective inhibitor 2,4-diamino-6-(2'-hydroxydibenz[b,f]azepin-5-yl)methylpteridine.
Resolution1.4 Å
Binding residue
(original residue number in PDB)		I7 V8 D21 E30 F31 F34
Binding residue
(residue number reindexed from 1)		I7 V8 D21 E30 F31 F34
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) L22 W24 E30 F31 F34 L67 M111 T136
Catalytic site (residue number reindexed from 1) L22 W24 E30 F31 F34 L67 M111 T136
Enzyme Commision number 1.5.1.3: dihydrofolate reductase.
Gene Ontology
Molecular Function
GO:0003723 RNA binding
GO:0003729 mRNA binding
GO:0004146 dihydrofolate reductase activity
GO:0016491 oxidoreductase activity
GO:0050661 NADP binding
GO:0051871 dihydrofolic acid binding
Biological Process
GO:0006729 tetrahydrobiopterin biosynthetic process
GO:0006730 one-carbon metabolic process
GO:0031103 axon regeneration
GO:0031427 response to methotrexate
GO:0035094 response to nicotine
GO:0035999 tetrahydrofolate interconversion
GO:0046452 dihydrofolate metabolic process
GO:0046653 tetrahydrofolate metabolic process
GO:0046654 tetrahydrofolate biosynthetic process
GO:0046655 folic acid metabolic process
GO:0051000 positive regulation of nitric-oxide synthase activity
GO:2000121 regulation of removal of superoxide radicals
Cellular Component
GO:0005634 nucleus
GO:0005737 cytoplasm
GO:0005739 mitochondrion
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3d80, PDBe:3d80, PDBj:3d80
PDBsum3d80
PubMed18703847
UniProtP00375|DYR_MOUSE Dihydrofolate reductase (Gene Name=Dhfr)

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