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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:

1qsr

2.000 Å

X-ray

1999-06-23

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:HAT A1
ID:Q27198_TETTH
AC:Q27198
Organism:Tetrahymena thermophila
Reign:Eukaryota
TaxID:5911
EC Number:/


Chains:

Chain Name:Percentage of Residues
within binding site
A100 %


Ligand binding site composition:

B-Factor:33.021
Number of residues:37
Including
Standard Amino Acids: 35
Non Standard Amino Acids: 0
Water Molecules: 2
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
1.2481100.250

% Hydrophobic% Polar
45.4054.60
According to VolSite

Ligand :
1qsr_1 Structure
HET Code: ACO
Formula: C23H34N7O17P3S
Molecular weight: 805.539 g/mol
DrugBank ID: -
Buried Surface Area:53.89 %
Polar Surface area: 429.68 Å2
Number of
H-Bond Acceptors: 22
H-Bond Donors: 5
Rings: 3
Aromatic rings: 2
Anionic atoms: 4
Cationic atoms: 0
Rule of Five Violation: 2
Rotatable Bonds: 20

Mass center Coordinates

XYZ
44.539126.289956.0067


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
C6PCBGLN- 763.790Hydrophobic
C6PCD2LEU- 773.890Hydrophobic
C2PCD2LEU- 773.710Hydrophobic
CEPCD1LEU- 1264.270Hydrophobic
N4POLEU- 1262.71154.88H-Bond
(Ligand Donor)
ONLEU- 1263.21125.6H-Bond
(Protein Donor)
C6PCBALA- 1273.980Hydrophobic
CEPCG2VAL- 1283.880Hydrophobic
CAPCBVAL- 1284.430Hydrophobic
O9PNVAL- 1282.71166.7H-Bond
(Protein Donor)
CAPCGGLN- 1334.440Hydrophobic
O4ANVAL- 1342.9173.93H-Bond
(Protein Donor)
O1ANGLY- 1363.24149.67H-Bond
(Protein Donor)
O3ANGLY- 1383.47120.54H-Bond
(Protein Donor)
O5ANGLY- 1383.15144.69H-Bond
(Protein Donor)
O2ANTHR- 1392.95153.7H-Bond
(Protein Donor)
O2AOG1THR- 1393.18150.11H-Bond
(Protein Donor)
S1PCBALA- 1614.490Hydrophobic
C2PCBALA- 1653.580Hydrophobic
CCPCD1TYR- 1683.890Hydrophobic
CDPCGTYR- 1683.880Hydrophobic
S1PCE1PHE- 1693.630Hydrophobic
CH3CZPHE- 1694.250Hydrophobic
O5AOHOH- 5062.6179.96H-Bond
(Protein Donor)