Structure of PDB 2hm9 Chain A Binding Site BS01

Receptor Information
>2hm9 Chain A (length=162) Species: 1582 (Lacticaseibacillus casei) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TAFLWAQDRDGLIGKDGHLPWHLPDDLHYFRAQTVGKIMVVGRRTYESFP
KRPLPERTNVVLTHQEDYQAQGAVVVHDVAAVFAYAKQHPDQELVIAGGA
QIFTAFKDDVDTLLVTRLAGSFEGDTKMIPLNWDDFTKVSSRTVEDTNPA
LTHTYEVWQKKA
Ligand information
Ligand IDTRR
InChIInChI=1S/C14H18N4O3/c1-19-10-5-8(6-11(20-2)12(10)21-3)4-9-7-17-14(16)18-13(9)15/h5-7H,4H2,1-3H3,(H4,15,16,17,18)/p+1
InChIKeyIEDVJHCEMCRBQM-UHFFFAOYSA-O
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0COc1cc(cc(c1OC)OC)Cc2c[nH+]c(nc2N)N
ACDLabs 10.04O(c1cc(cc(OC)c1OC)Cc2c(nc(N)[nH+]c2)N)C
CACTVS 3.341COc1cc(Cc2c[nH+]c(N)nc2N)cc(OC)c1OC
FormulaC14 H19 N4 O3
Name2,4-DIAMINO-5-(3,4,5-TRIMETHOXY-BENZYL)-PYRIMIDIN-1-IUM
ChEMBL
DrugBankDB03125
ZINC
PDB chain2hm9 Chain A Residue 170 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2hm9 NMR structures of apo L.casei dihydrofolate reductase and its complexes with trimethoprim and NADPH. Contributions to positive cooperative binding from ligand-induced refolding, conformational changes and interligand hydrophobic interactions
ResolutionN/A
Binding residue
(original residue number in PDB)		L4 W5 A6 G17 H18 L19 D26 L27 Y29 F30 S48
Binding residue
(residue number reindexed from 1)		L4 W5 A6 G17 H18 L19 D26 L27 Y29 F30 S48
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) L4 L19 W21 D26 L27 F30 L54 L94 T116
Catalytic site (residue number reindexed from 1) L4 L19 W21 D26 L27 F30 L54 L94 T116
Enzyme Commision number 1.5.1.3: dihydrofolate reductase.
Gene Ontology
Molecular Function
GO:0004146 dihydrofolate reductase activity
GO:0016491 oxidoreductase activity
GO:0050661 NADP binding
Biological Process
GO:0006730 one-carbon metabolic process
GO:0031427 response to methotrexate
GO:0046452 dihydrofolate metabolic process
GO:0046654 tetrahydrofolate biosynthetic process
GO:0046655 folic acid metabolic process
GO:0046677 response to antibiotic
Cellular Component
GO:0005829 cytosol

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Cellular Component
External links
PDB RCSB:2hm9, PDBe:2hm9, PDBj:2hm9
PDBsum2hm9
PubMed21410224
UniProtP00381|DYR_LACCA Dihydrofolate reductase (Gene Name=folA)

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