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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:

4r38

1.600 Å

X-ray

2014-08-14

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Blue-light-activated histidine kinase 2
ID:LVHK2_ERYLH
AC:Q2NB77
Organism:Erythrobacter litoralis
Reign:Bacteria
TaxID:314225
EC Number:2.7.13.3


Chains:

Chain Name:Percentage of Residues
within binding site
D100 %


Ligand binding site composition:

B-Factor:34.020
Number of residues:36
Including
Standard Amino Acids: 35
Non Standard Amino Acids: 0
Water Molecules: 1
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
0.651391.500

% Hydrophobic% Polar
54.3145.69
According to VolSite

Ligand :
4r38_4 Structure
HET Code: RBF
Formula: C17H20N4O6
Molecular weight: 376.364 g/mol
DrugBank ID: DB00140
Buried Surface Area:76.54 %
Polar Surface area: 155.04 Å2
Number of
H-Bond Acceptors: 9
H-Bond Donors: 5
Rings: 3
Aromatic rings: 1
Anionic atoms: 0
Cationic atoms: 0
Rule of Five Violation: 0
Rotatable Bonds: 5

Mass center Coordinates

XYZ
7.278488.1840766.5126


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
C6CBTHR- 214.420Hydrophobic
C7MCBALA- 233.890Hydrophobic
C8MCG2ILE- 254.140Hydrophobic
O2'OD1ASN- 542.81165.17H-Bond
(Ligand Donor)
C9ACBCYS- 553.850Hydrophobic
C2'CBCYS- 554.470Hydrophobic
O5'NH2ARG- 562.87175.64H-Bond
(Protein Donor)
C2'CBARG- 564.130Hydrophobic
N1NE2GLN- 593.39138.02H-Bond
(Protein Donor)
O2NE2GLN- 592.89162.74H-Bond
(Protein Donor)
O4'NE2GLN- 592.93170.11H-Bond
(Protein Donor)
C5'CG1VAL- 683.860Hydrophobic
C1'CD1LEU- 714.140Hydrophobic
C4'CBLEU- 714.170Hydrophobic
C5'CBALA- 723.910Hydrophobic
C8MCD1ILE- 753.830Hydrophobic
C9CD1ILE- 754.270Hydrophobic
O2ND2ASN- 872.78160.43H-Bond
(Protein Donor)
N3OD1ASN- 872.83167.61H-Bond
(Ligand Donor)
O4ND2ASN- 973.05127.28H-Bond
(Protein Donor)
C6CD1LEU- 994.30Hydrophobic
C9ACD2LEU- 994.30Hydrophobic
C6CEMET- 1013.940Hydrophobic
C1'CEMET- 1014.450Hydrophobic
C8SDMET- 1013.550Hydrophobic
C9ACEMET- 1013.430Hydrophobic
C7MCBPHE- 1144.060Hydrophobic
C8MCBPHE- 1143.890Hydrophobic
O2'OHOH- 3143.14124.74H-Bond
(Protein Donor)