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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:

1nfr

2.100 Å

X-ray

2002-12-16

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:3-alpha-(or 20-beta)-hydroxysteroid dehydrogenase
ID:HSD_MYCTU
AC:P9WGT1
Organism:Mycobacterium tuberculosis
Reign:Bacteria
TaxID:83332
EC Number:1.1.1.53


Chains:

Chain Name:Percentage of Residues
within binding site
A100 %


Ligand binding site composition:

B-Factor:21.685
Number of residues:46
Including
Standard Amino Acids: 46
Non Standard Amino Acids: 0
Water Molecules: 0
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
0.946857.250

% Hydrophobic% Polar
53.1546.85
According to VolSite

Ligand :
1nfr_1 Structure
HET Code: NAD
Formula: C21H26N7O14P2
Molecular weight: 662.417 g/mol
DrugBank ID: -
Buried Surface Area:80.58 %
Polar Surface area: 343.54 Å2
Number of
H-Bond Acceptors: 18
H-Bond Donors: 6
Rings: 5
Aromatic rings: 3
Anionic atoms: 2
Cationic atoms: 1
Rule of Five Violation: 3
Rotatable Bonds: 11

Mass center Coordinates

XYZ
24.5035.7794843.9935


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
O1ACZARG- 173.680Ionic
(Protein Cationic)
O1ANH2ARG- 172.88170.48H-Bond
(Protein Donor)
O2ANEARG- 173.24148.03H-Bond
(Protein Donor)
C3BCGARG- 174.150Hydrophobic
O2NNMET- 193146.51H-Bond
(Protein Donor)
C5DCEMET- 194.390Hydrophobic
C3NCEMET- 193.530Hydrophobic
O3BOD1ASP- 383.47123.06H-Bond
(Ligand Donor)
O3BOD2ASP- 382.62154.59H-Bond
(Ligand Donor)
O2BOD1ASP- 382.74169.65H-Bond
(Ligand Donor)
C3BCD1LEU- 404.440Hydrophobic
N6AOD1ASP- 613.32154.1H-Bond
(Ligand Donor)
N1ANVAL- 622.96165.68H-Bond
(Protein Donor)
O3DOASN- 882.8139.01H-Bond
(Ligand Donor)
C4DCG2ILE- 1384.10Hydrophobic
C5NCBSER- 1403.350Hydrophobic
O2DOHTYR- 1532.68146.25H-Bond
(Protein Donor)
O3DNZLYS- 1573.1138.63H-Bond
(Protein Donor)
O2DNZLYS- 1573138.18H-Bond
(Protein Donor)
C5NCGPRO- 1833.350Hydrophobic
O7NNVAL- 1862.82165.56H-Bond
(Protein Donor)
C4NCG2VAL- 1864.270Hydrophobic
C2DSDMET- 1903.780Hydrophobic
C3NCEMET- 1904.070Hydrophobic