Structure of PDB 3fsu Chain A Binding Site BS02

Receptor Information
>3fsu Chain A (length=285) Species: 83333 (Escherichia coli K-12) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
FFHASQRDALNQSLAEVQGQINVSFQFFPPRTSEMEQTLWNSIDRLSSLK
PKFVSVTYGANSGERDRTHSIIKGIKDRTGLEAAPHLTCIDATPDELRTI
ARDYWNNGIRHIVALRGDLEMYASDLVTLLKEVADFDISVAAYPEVHPEA
KSAQADLLNLKRKVDAGANRAITQFFFDVESYLRFRDRCVSAGIDVEIIP
GILPVSNFKQAKKLADMTNVRIPAWMAQMFDGLDDDAETRKLVGANIAMD
MVKILSREGVKDFHFYTLNRAEMSYAICHTLGVRP
Ligand information
Ligand IDC2F
InChIInChI=1S/C20H25N7O6/c1-27-12(9-23-16-15(27)18(31)26-20(21)25-16)8-22-11-4-2-10(3-5-11)17(30)24-13(19(32)33)6-7-14(28)29/h2-5,12-13,22H,6-9H2,1H3,(H,24,30)(H,28,29)(H,32,33)(H4,21,23,25,26,31)/t12-,13-/m0/s1
InChIKeyZNOVTXRBGFNYRX-STQMWFEESA-N
SMILES
SoftwareSMILES
CACTVS 3.341CN1[CH](CNc2ccc(cc2)C(=O)N[CH](CCC(O)=O)C(O)=O)CNC3=C1C(=O)NC(=N3)N
ACDLabs 10.04O=C(O)C(NC(=O)c1ccc(cc1)NCC2N(C=3C(=O)NC(=NC=3NC2)N)C)CCC(=O)O
OpenEye OEToolkits 1.5.0CN1C(CNC2=C1C(=O)NC(=N2)N)CNc3ccc(cc3)C(=O)NC(CCC(=O)O)C(=O)O
OpenEye OEToolkits 1.5.0C[N@@]1[C@H](CNC2=C1C(=O)NC(=N2)N)CNc3ccc(cc3)C(=O)N[C@@H](CCC(=O)O)C(=O)O
CACTVS 3.341CN1[C@@H](CNc2ccc(cc2)C(=O)N[C@@H](CCC(O)=O)C(O)=O)CNC3=C1C(=O)NC(=N3)N
FormulaC20 H25 N7 O6
Name5-METHYL-5,6,7,8-TETRAHYDROFOLIC ACID
ChEMBLCHEMBL1231574
DrugBankDB11256
ZINCZINC000002005305
PDB chain3fsu Chain A Residue 995 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB3fsu Functional role for the conformationally mobile phenylalanine 223 in the reaction of methylenetetrahydrofolate reductase from Escherichia coli.
Resolution1.7 Å
Binding residue
(original residue number in PDB)		D120 Q183 Q219 L223 Y275 L277 R279
Binding residue
(residue number reindexed from 1)		D118 Q174 Q210 L214 Y266 L268 R270
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) S26 Q28 D120 L223 H273
Catalytic site (residue number reindexed from 1) S24 Q26 D118 L214 H264
Enzyme Commision number 1.5.1.54: methylenetetrahydrofolate reductase (NADH).
Gene Ontology
Molecular Function
GO:0004489 methylenetetrahydrofolate reductase (NAD(P)H) activity
GO:0016491 oxidoreductase activity
GO:0051087 protein-folding chaperone binding
GO:0071949 FAD binding
GO:0106312 methylenetetrahydrofolate reductase (NADH) activity
Biological Process
GO:0006555 methionine metabolic process
GO:0009086 methionine biosynthetic process
GO:0035999 tetrahydrofolate interconversion
Cellular Component
GO:0005829 cytosol
GO:0032991 protein-containing complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3fsu, PDBe:3fsu, PDBj:3fsu
PDBsum3fsu
PubMed19610625
UniProtP0AEZ1|METF_ECOLI 5,10-methylenetetrahydrofolate reductase (Gene Name=metF)

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