scPDB - 1qsn entry

Protein Data Bank Entry:

PDB ID : 1qsn

Resolution :2.200 Å

Experimental Method : X-ray

Deposition Date : 1999-06-22

Activity from ChEMBL: What is pChEMBL ?

	Min	Mean	Median	Standard Deviation	Max	Count
pChEMBL:

List of CHEMBLId :

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
A	84 %
B	16 %

Ligand binding site composition:

B-Factor:	24.750
Number of residues:	39
Including
Standard Amino Acids:	37
Non Standard Amino Acids:	0
Water Molecules:	2
Cofactors:
Metals:

Cavity properties

Ligandability	Volume (Å3)
0.525	469.125

% Hydrophobic	% Polar
43.88	56.12
According to VolSite

Ligand :

HET Code:	COA
Formula:	C21H32N7O16P3S
Molecular weight:	763.502 g/mol
DrugBank ID:	DB01992
Buried Surface Area:	52.09 %
Polar Surface area:	426.11 Å2

Number of
H-Bond Acceptors:	21
H-Bond Donors:	6
Rings:	3
Aromatic rings:	2
Anionic atoms:	4
Cationic atoms:	0
Rule of Five Violation:	3
Rotatable Bonds:	18

Mass center Coordinates

X	Y	Z
46.8487	26.5589	56.4913

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
C6P	CB	GLN- 76	4.02	0	Hydrophobic	false
C6P	CD2	LEU- 77	3.67	0	Hydrophobic	false
S1P	CD2	LEU- 77	3.48	0	Hydrophobic	false
CEP	CG	LEU- 126	3.91	0	Hydrophobic	false
N4P	O	LEU- 126	2.8	163.06	H-Bond (Ligand Donor)	false
C6P	CB	ALA- 127	3.94	0	Hydrophobic	false
CEP	CG2	VAL- 128	3.75	0	Hydrophobic	false
O9P	N	VAL- 128	2.74	161.75	H-Bond (Protein Donor)	false
N6A	OE1	GLN- 133	2.78	156.74	H-Bond (Ligand Donor)	false
CAP	CG	GLN- 133	4.4	0	Hydrophobic	false
O9P	NE2	GLN- 133	3.33	123.53	H-Bond (Protein Donor)	false
C2B	CG1	VAL- 134	4.19	0	Hydrophobic	false
O4A	N	VAL- 134	2.89	177.14	H-Bond (Protein Donor)	false
O1A	N	GLY- 136	2.87	142.66	H-Bond (Protein Donor)	false
O5A	N	GLY- 138	3	154.18	H-Bond (Protein Donor)	false
O2A	N	THR- 139	3.14	133.78	H-Bond (Protein Donor)	false
O2A	OG1	THR- 139	2.53	167.68	H-Bond (Protein Donor)	false
CDP	CZ	TYR- 168	3.81	0	Hydrophobic	false
S1P	CE	LYS- 314	3.22	0	Hydrophobic	false
C2P	CG	PRO- 316	3.53	0	Hydrophobic	false