Structure of PDB 4elb Chain C Binding Site BS01

Receptor Information

>4elb Chain C (length=166) Species: 260799 (Bacillus anthracis str. Sterne)

MIVSFMVAMDENRVIGKDNNLPWRLPSELQYVKKTTMGHPLIMGRKNYEA
IGRPLPGRRNIIVTRNEGYHVEGCEVAHSVEEVFELCKNEEEIFIFGGAQ
IYDLFLPYVDKLYITKIHHAFEGDTFFPEMDMTNWKEVFVEKGLTDEKNP
YTYYYHVYEKQQLVPR

Ligand information

• Ligand ID: CA
• InChI: InChI=1S/Ca/q+2
• InChIKey: BHPQYMZQTOCNFJ-UHFFFAOYSA-N
• SMILES:
  CACTVS 3.341: [Ca++]
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Ca+2]
• Formula: Ca
• Name: CALCIUM ION
• DrugBank: DB14577
• PDB chain: 4elb Chain C Residue 201

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4elb Structure-activity relationship for enantiomers of potent inhibitors of B. anthracis dihydrofolate reductase.
• Resolution: 2.6 Å
• Binding residue (original residue number in PDB): Y108 D110
• Binding residue (residue number reindexed from 1): Y108 D110
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): M6 L21 W23 E28 L29 V32 L55 I93 T115
• Catalytic site (residue number reindexed from 1): M6 L21 W23 E28 L29 V32 L55 I93 T115
• Enzyme Commision number: 1.5.1.3: dihydrofolate reductase.

Gene Ontology

Molecular Function

• GO:0000166 nucleotide binding
• GO:0004146 dihydrofolate reductase activity
• GO:0016491 oxidoreductase activity
• GO:0046872 metal ion binding
• GO:0050661 NADP binding

Biological Process

• GO:0006730 one-carbon metabolic process
• GO:0046452 dihydrofolate metabolic process
• GO:0046654 tetrahydrofolate biosynthetic process
• GO:0046655 folic acid metabolic process

Cellular Component

• GO:0005829 cytosol

External links

• PDB: RCSB:4elb, PDBe:4elb, PDBj:4elb
• PDBsum: 4elb
• PubMed: 22999981
• UniProt: Q81R22