scPDB - 1dr3 entry

Protein Data Bank Entry:

PDB ID : 1dr3

Resolution :2.300 Å

Experimental Method : X-ray

Deposition Date : 1992-03-14

Activity from ChEMBL: What is pChEMBL ?

	Min	Mean	Median	Standard Deviation	Max	Count
pChEMBL:

List of CHEMBLId :

Binding Site :

Uniprot Annotation

Name:	Dihydrofolate reductase
ID:	DYR_CHICK
AC:	P00378
Organism:	Gallus gallus
Reign:	Eukaryota
TaxID:	9031
EC Number:	1.5.1.3

Chains:

Chain Name:	Percentage of Residues within binding site
A	100 %

Ligand binding site composition:

B-Factor:	29.009
Number of residues:	47
Including
Standard Amino Acids:	43
Non Standard Amino Acids:	2
Water Molecules:	2
Cofactors:
Metals:	CA

Cavity properties

Ligandability	Volume (Å3)
1.402	867.375

% Hydrophobic	% Polar
54.47	45.53
According to VolSite

Ligand :

HET Code:	TAP
Formula:	C21H25N7O16P3S
Molecular weight:	756.447 g/mol
DrugBank ID:	DB01763
Buried Surface Area:	70.12 %
Polar Surface area:	420.56 Å2

Number of
H-Bond Acceptors:	21
H-Bond Donors:	5
Rings:	5
Aromatic rings:	3
Anionic atoms:	4
Cationic atoms:	1
Rule of Five Violation:	2
Rotatable Bonds:	13

Mass center Coordinates

X	Y	Z
21.6717	5.00025	17.8715

Binding mode :

What is Poseview ?

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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

Ligand	Protein		Interaction
Atom	Atom	Residue	Distance (Å)	Angle (°)	Type
N7N	O	ALA- 9	2.83	130.23	H-Bond (Ligand Donor)	false
C3N	CB	ILE- 16	4.43	0	Hydrophobic	false
N7N	O	ILE- 16	3.09	160.32	H-Bond (Ligand Donor)	false
C3N	CD2	LEU- 22	3.94	0	Hydrophobic	false
C4B	CB	LYS- 54	3.89	0	Hydrophobic	false
C1B	CB	LYS- 54	4.4	0	Hydrophobic	false
O4B	N	LYS- 54	3.11	160.81	H-Bond (Protein Donor)	false
O3X	NZ	LYS- 54	3.15	0	Ionic (Protein Cationic)	false
O5B	N	LYS- 55	3.13	152.26	H-Bond (Protein Donor)	false
C5B	CG	LYS- 55	4.44	0	Hydrophobic	false
C5D	CB	LYS- 55	3.84	0	Hydrophobic	false
O2N	NZ	LYS- 55	3.76	0	Ionic (Protein Cationic)	false
O2A	OG1	THR- 56	2.68	155.72	H-Bond (Protein Donor)	false
O2A	N	THR- 56	2.82	147.05	H-Bond (Protein Donor)	false
C5N	CG2	THR- 56	3.82	0	Hydrophobic	false
O2X	N	ARG- 77	2.68	156.49	H-Bond (Protein Donor)	false
DuAr	CZ	ARG- 77	3.93	177.45	Pi/Cation	false
O1X	N	GLU- 78	3.48	144.68	H-Bond (Protein Donor)	false
O1A	N	GLY- 117	3.05	134.25	H-Bond (Protein Donor)	false
O2A	N	GLY- 117	3.4	138.29	H-Bond (Protein Donor)	false
O1N	N	THR- 118	3.09	145.15	H-Bond (Protein Donor)	false
C4D	CG2	THR- 146	4.09	0	Hydrophobic	false
O3X	CA	CA- 200	2.26	0	Metal Acceptor	false
O3D	O	HOH- 220	2.91	154.8	H-Bond (Ligand Donor)	false