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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:

3otb

2.950 Å

X-ray

2010-09-11

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Probable tRNA(His) guanylyltransferase
ID:THG1_HUMAN
AC:Q9NWX6
Organism:Homo sapiens
Reign:Eukaryota
TaxID:9606
EC Number:2.7.7.79


Chains:

Chain Name:Percentage of Residues
within binding site
A9 %
B91 %


Ligand binding site composition:

B-Factor:90.654
Number of residues:32
Including
Standard Amino Acids: 29
Non Standard Amino Acids: 3
Water Molecules: 0
Cofactors:
Metals: MG MG MG

Cavity properties

LigandabilityVolume (Å3)
0.702675.000

% Hydrophobic% Polar
38.0062.00
According to VolSite

Ligand :
3otb_2 Structure
HET Code: DGT
Formula: C10H12N5O13P3
Molecular weight: 503.149 g/mol
DrugBank ID: DB02181
Buried Surface Area:49.23 %
Polar Surface area: 315.33 Å2
Number of
H-Bond Acceptors: 16
H-Bond Donors: 3
Rings: 3
Aromatic rings: 1
Anionic atoms: 4
Cationic atoms: 0
Rule of Five Violation: 2
Rotatable Bonds: 8

Mass center Coordinates

XYZ
-50.426821.048335.6291


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
O2BNPHE- 332.95120.41H-Bond
(Protein Donor)
C4'CBPHE- 334.130Hydrophobic
C1'CBPHE- 334.460Hydrophobic
O1BNHIS- 343.45153.51H-Bond
(Protein Donor)
O3'ND1HIS- 343.43163.4H-Bond
(Ligand Donor)
C2'CBHIS- 344.230Hydrophobic
C1'CBALA- 374.10Hydrophobic
N1OALA- 433.05169.92H-Bond
(Ligand Donor)
C5'CBASP- 763.790Hydrophobic
O1GMG MG- 4012.470Metal Acceptor
O2GMG MG- 4012.560Metal Acceptor
O2BMG MG- 4012.280Metal Acceptor
O2AMG MG- 40120Metal Acceptor
O2AMG MG- 4032.640Metal Acceptor