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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:

2a5c

2.500 Å

X-ray

2005-06-30

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Avidin
ID:AVID_CHICK
AC:P02701
Organism:Gallus gallus
Reign:Eukaryota
TaxID:9031
EC Number:/


Chains:

Chain Name:Percentage of Residues
within binding site
B100 %


Ligand binding site composition:

B-Factor:36.180
Number of residues:20
Including
Standard Amino Acids: 20
Non Standard Amino Acids: 0
Water Molecules: 0
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
0.587286.875

% Hydrophobic% Polar
51.7648.24
According to VolSite

Ligand :
2a5c_2 Structure
HET Code: 8DA
Formula: C10H16N5O4
Molecular weight: 270.265 g/mol
DrugBank ID: -
Buried Surface Area:52.52 %
Polar Surface area: 137.02 Å2
Number of
H-Bond Acceptors: 6
H-Bond Donors: 5
Rings: 3
Aromatic rings: 0
Anionic atoms: 0
Cationic atoms: 1
Rule of Five Violation: 0
Rotatable Bonds: 2

Mass center Coordinates

XYZ
11.5486-0.5932112.98053


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
C2'CD1LEU- 143.430Hydrophobic
O3'OHTYR- 333.15132.33H-Bond
(Protein Donor)
C1'CH2TRP- 704.370Hydrophobic
C5'CZ2TRP- 703.520Hydrophobic
C5'CG2THR- 773.650Hydrophobic
C4'CZPHE- 793.920Hydrophobic
O3'OD1ASN- 1182.85153.81H-Bond
(Ligand Donor)