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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:

1mrk

1.600 Å

X-ray

1994-07-01

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Ribosome-inactivating protein alpha-trichosanthin
ID:RIPT_TRIKI
AC:P09989
Organism:Trichosanthes kirilowii
Reign:Eukaryota
TaxID:3677
EC Number:3.2.2.22


Chains:

Chain Name:Percentage of Residues
within binding site
A100 %


Ligand binding site composition:

B-Factor:20.721
Number of residues:27
Including
Standard Amino Acids: 25
Non Standard Amino Acids: 0
Water Molecules: 2
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
0.072283.500

% Hydrophobic% Polar
38.1061.90
According to VolSite

Ligand :
1mrk_1 Structure
HET Code: FMC
Formula: C10H13N5O4
Molecular weight: 267.241 g/mol
DrugBank ID: DB02281
Buried Surface Area:64.38 %
Polar Surface area: 150.4 Å2
Number of
H-Bond Acceptors: 8
H-Bond Donors: 5
Rings: 3
Aromatic rings: 2
Anionic atoms: 0
Cationic atoms: 0
Rule of Five Violation: 0
Rotatable Bonds: 2

Mass center Coordinates

XYZ
16.2179-4.5813238.4645


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
C5CBTYR- 704.20Hydrophobic
C5'CE1TYR- 703.710Hydrophobic
N1NILE- 713.05135.83H-Bond
(Protein Donor)
N6OILE- 712.67169.38H-Bond
(Ligand Donor)
N6OE2GLU- 853150.81H-Bond
(Ligand Donor)
C1'CBASN- 1104.260Hydrophobic
C3'CE2TYR- 1113.580Hydrophobic
O5'OHOH- 3422.99144.88H-Bond
(Protein Donor)