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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:

3ikt

2.260 Å

X-ray

2009-08-06

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Redox-sensing transcriptional repressor Rex
ID:REX_THET2
AC:Q72I39
Organism:Thermus thermophilus
Reign:Bacteria
TaxID:262724
EC Number:/


Chains:

Chain Name:Percentage of Residues
within binding site
A75 %
B25 %


Ligand binding site composition:

B-Factor:35.953
Number of residues:42
Including
Standard Amino Acids: 40
Non Standard Amino Acids: 0
Water Molecules: 2
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
1.082469.125

% Hydrophobic% Polar
54.6845.32
According to VolSite

Ligand :
3ikt_1 Structure
HET Code: NAD
Formula: C21H26N7O14P2
Molecular weight: 662.417 g/mol
DrugBank ID: -
Buried Surface Area:61.07 %
Polar Surface area: 343.54 Å2
Number of
H-Bond Acceptors: 18
H-Bond Donors: 6
Rings: 5
Aromatic rings: 3
Anionic atoms: 2
Cationic atoms: 1
Rule of Five Violation: 3
Rotatable Bonds: 11

Mass center Coordinates

XYZ
-8.29025-3.60125-15.1924


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
O2ANARG- 903.33160.51H-Bond
(Protein Donor)
O2NNLEU- 913.1168.88H-Bond
(Protein Donor)
C3NCBLEU- 914.330Hydrophobic
C5NCD2LEU- 914.020Hydrophobic
C4NCD2LEU- 953.670Hydrophobic
C2DCE1TYR- 983.680Hydrophobic
O2DOHTYR- 983.04123.98H-Bond
(Protein Donor)
O2DOHTYR- 983.04121.78H-Bond
(Ligand Donor)
O3BOD1ASP- 1122.76136.17H-Bond
(Ligand Donor)
O2BOD2ASP- 1123.12161.27H-Bond
(Ligand Donor)
O3BNZLYS- 1172.82151.17H-Bond
(Protein Donor)
C1BCG1VAL- 1484.340Hydrophobic
O3DOVAL- 1483.19152.72H-Bond
(Ligand Donor)
C5BCGPRO- 1493.870Hydrophobic
O2NOHOH- 2132.82179.95H-Bond
(Protein Donor)