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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:

1zg3

2.350 Å

X-ray

2005-04-20

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Isoflavone 4'-O-methyltransferase
ID:I4OMT_MEDTR
AC:Q29U70
Organism:Medicago truncatula
Reign:Eukaryota
TaxID:3880
EC Number:/


Chains:

Chain Name:Percentage of Residues
within binding site
A100 %


Ligand binding site composition:

B-Factor:27.919
Number of residues:26
Including
Standard Amino Acids: 25
Non Standard Amino Acids: 0
Water Molecules: 1
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
0.6041883.250

% Hydrophobic% Polar
64.1635.84
According to VolSite

Ligand :
1zg3_1 Structure
HET Code: 2HI
Formula: C15H12O5
Molecular weight: 272.253 g/mol
DrugBank ID: -
Buried Surface Area:54.83 %
Polar Surface area: 86.99 Å2
Number of
H-Bond Acceptors: 5
H-Bond Donors: 3
Rings: 3
Aromatic rings: 2
Anionic atoms: 0
Cationic atoms: 0
Rule of Five Violation: 0
Rotatable Bonds: 1

Mass center Coordinates

XYZ
102.40175.81132.6772


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
C3CBALA- 1264.410Hydrophobic
C2CBALA- 1783.680Hydrophobic
C13SDMET- 1794.30Hydrophobic
C2CEMET- 1793.870Hydrophobic
C10CEMET- 1794.340Hydrophobic
C9CG1VAL- 3214.070Hydrophobic
C9CEMET- 3224.350Hydrophobic
C10CEMET- 3223.880Hydrophobic
C9SDMET- 3254.040Hydrophobic
C5CEMET- 3254.090Hydrophobic
C12CE2PHE- 3263.490Hydrophobic
O5OHOH- 40042.53164H-Bond
(Ligand Donor)