Structure of PDB 1dy3 Chain A Binding Site BS03

Receptor Information

>1dy3 Chain A (length=158) Species: 562 (Escherichia coli)

TVAYIAIGSNLASPLEQVNAALKALGDIPESHILTVSSFYRTPPLGPQDQ
PDYLNAAVALETSLAPEELLNHTQRIELQQGRVRKAERWGPRTLDLDIML
FGNEVINTERLTVPHYDMKNRGFMLWPLFEIAPELVFPDGEMLRQILHTR
AFDKLNKW

Ligand information

• Ligand ID: MG
• InChI: InChI=1S/Mg/q+2
• InChIKey: JLVVSXFLKOJNIY-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Mg+2]
  CACTVS 3.341: [Mg++]
• Formula: Mg
• Name: MAGNESIUM ION
• DrugBank: DB01378
• PDB chain: 1dy3 Chain A Residue 202

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1dy3 2.0A X-Ray Structure of the Ternary Complex of 7,8-Dihydro-6-Hydroxymethylpterinpyrophosphokinase from Escherichia Coli with ATP and a Substrate Analogue
• Resolution: 2.0 Å
• Binding residue (original residue number in PDB): D95 D97
• Binding residue (residue number reindexed from 1): D95 D97
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): R82 R92 D95 D97
• Catalytic site (residue number reindexed from 1): R82 R92 D95 D97
• Enzyme Commision number: 2.7.6.3: 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase.

Gene Ontology

Molecular Function

• GO:0000287 magnesium ion binding
• GO:0003848 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase activity
• GO:0005524 ATP binding
• GO:0016301 kinase activity

Biological Process

• GO:0009396 folic acid-containing compound biosynthetic process
• GO:0016310 phosphorylation
• GO:0046654 tetrahydrofolate biosynthetic process
• GO:0046656 folic acid biosynthetic process

External links

• PDB: RCSB:1dy3, PDBe:1dy3, PDBj:1dy3
• PDBsum: 1dy3
• PubMed: 10452528
• UniProt: P26281|HPPK_ECOLI 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase (Gene Name=folK)