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sc-PDB

An Annotated Database of Druggable Binding Sites from the Protein DataBank

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Protein Data Bank Entry:

2r5n

1.600 Å

X-ray

2007-09-04

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Transketolase 1
ID:TKT1_ECOLI
AC:P27302
Organism:Escherichia coli
Reign:Bacteria
TaxID:83333
EC Number:/


Chains:

Chain Name:Percentage of Residues
within binding site
A77 %
B23 %


Ligand binding site composition:

B-Factor:8.658
Number of residues:48
Including
Standard Amino Acids: 42
Non Standard Amino Acids: 1
Water Molecules: 5
Cofactors:
Metals: CA

Cavity properties

LigandabilityVolume (Å3)
0.582702.000

% Hydrophobic% Polar
39.9060.10
According to VolSite

Ligand :
2r5n_1 Structure
HET Code: TPP
Formula: C12H16N4O7P2S
Molecular weight: 422.291 g/mol
DrugBank ID: -
Buried Surface Area:80.38 %
Polar Surface area: 225.32 Å2
Number of
H-Bond Acceptors: 10
H-Bond Donors: 1
Rings: 2
Aromatic rings: 2
Anionic atoms: 3
Cationic atoms: 1
Rule of Five Violation: 1
Rotatable Bonds: 8

Mass center Coordinates

XYZ
25.899438.818565.9376


Binding mode :
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Binding mode
BioSolveIT Image generated by PoseView
Protein
Binding Site
Ligand
Interaction pattern
hydrophobic (CA)
aromatic (CZ)
hydrogen bond acceptor (O)
hydrogen bond acceptor/donor (OG)
hydrogen bond donor (N)
positively ionized (NZ)
negatively ionized (OD1)
metal (ZN)

Legend:

Represent the protein/ligand binding mode, centered on the ligand
Dashed lines represents hydrogen bonds and metal interactions
Green residue labels for amino acids with hydrophobic contacts (green lines) to the ligand

Image generated using PoseView by BioSolveIT
BioSolveIT


LigandProteinInteraction
AtomAtomResidueDistance
(Å)
Angle (°)Type
O2BNE2HIS- 662.68173.38H-Bond
(Protein Donor)
N4'OGLY- 1142.77178.22H-Bond
(Ligand Donor)
CM2CBLEU- 1164.080Hydrophobic
C5'CD1LEU- 1163.740Hydrophobic
S1CD1LEU- 1163.850Hydrophobic
CM4CD1LEU- 1164.180Hydrophobic
C6CD1LEU- 1164.260Hydrophobic
N3'NLEU- 1163.17176.48H-Bond
(Protein Donor)
O1ANASP- 1553.29122.28H-Bond
(Protein Donor)
O2ANGLY- 1563.46160.1H-Bond
(Protein Donor)
O1BND2ASN- 1852.8166.9H-Bond
(Protein Donor)
C7CBSER- 1883.940Hydrophobic
S1CD1ILE- 1894.230Hydrophobic
CM4CD1ILE- 1893.80Hydrophobic
C6CD1ILE- 1894.020Hydrophobic
C7CG1ILE- 1894.470Hydrophobic
CM4CBASP- 3814.060Hydrophobic
CM4CD2LEU- 3824.020Hydrophobic
CM4CG2VAL- 4093.930Hydrophobic
C6CG2VAL- 4093.960Hydrophobic
N1'OE2GLU- 4112.68173.67H-Bond
(Ligand Donor)
CM2CD1PHE- 4373.630Hydrophobic
DuArDuArPHE- 4373.770Aromatic Face/Face
CM2CZTYR- 4403.30Hydrophobic
O2BOHOH- 7262.66179.96H-Bond
(Protein Donor)
O3BOHOH- 7522.81169.12H-Bond
(Protein Donor)
O1ACA CA- 20002.160Metal Acceptor
O1BCA CA- 20002.340Metal Acceptor