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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:

1i9h

2.400 Å

X-ray

2001-03-20

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Streptavidin
ID:SAV_STRAV
AC:P22629
Organism:Streptomyces avidinii
Reign:Bacteria
TaxID:1895
EC Number:/


Chains:

Chain Name:Percentage of Residues
within binding site
A100 %


Ligand binding site composition:

B-Factor:6.741
Number of residues:32
Including
Standard Amino Acids: 31
Non Standard Amino Acids: 0
Water Molecules: 1
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
0.821300.375

% Hydrophobic% Polar
68.5431.46
According to VolSite

Ligand :
1i9h_1 Structure
HET Code: BNI
Formula: C16H20N4O4S
Molecular weight: 364.419 g/mol
DrugBank ID: DB03549
Buried Surface Area:62.95 %
Polar Surface area: 141.35 Å2
Number of
H-Bond Acceptors: 5
H-Bond Donors: 3
Rings: 3
Aromatic rings: 1
Anionic atoms: 1
Cationic atoms: 1
Rule of Five Violation: 0
Rotatable Bonds: 7

Mass center Coordinates

XYZ
31.989530.697640.8099


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
O3ND2ASN- 232.96155.54H-Bond
(Protein Donor)
O3OGSER- 272.63159.06H-Bond
(Protein Donor)
O3OHTYR- 432.68166.46H-Bond
(Protein Donor)
C9CBSER- 454.470Hydrophobic
C7CBSER- 453.980Hydrophobic
N2OGSER- 453.11157.74H-Bond
(Ligand Donor)
C7CG2VAL- 474.440Hydrophobic
O2NASN- 492.78133.12H-Bond
(Protein Donor)
C9CBALA- 503.910Hydrophobic
C8CE2TRP- 793.730Hydrophobic
S1CZ2TRP- 793.590Hydrophobic
C10CD2TRP- 793.560Hydrophobic
C7CZ2TRP- 793.810Hydrophobic
C10CBALA- 864.190Hydrophobic
C20CBSER- 883.940Hydrophobic
S1CG2THR- 903.840Hydrophobic
S1CZ2TRP- 923.770Hydrophobic
C6CE2TRP- 1083.410Hydrophobic
C8CD2LEU- 1104.10Hydrophobic
C2CD2LEU- 1104.360Hydrophobic
C24CD2LEU- 1103.520Hydrophobic
C21CBSER- 1124.240Hydrophobic
C23CD1LEU- 1243.850Hydrophobic
N1OD2ASP- 1282.77164.49H-Bond
(Ligand Donor)