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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:

4ktt

2.590 Å

X-ray

2013-05-21

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:S-adenosylmethionine synthase isoform type-2
ID:METK2_HUMAN
AC:P31153
Organism:Homo sapiens
Reign:Eukaryota
TaxID:9606
EC Number:2.5.1.6


Chains:

Chain Name:Percentage of Residues
within binding site
A53 %
B47 %


Ligand binding site composition:

B-Factor:59.065
Number of residues:43
Including
Standard Amino Acids: 43
Non Standard Amino Acids: 0
Water Molecules: 0
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
0.376435.375

% Hydrophobic% Polar
51.9448.06
According to VolSite

Ligand :
4ktt_1 Structure
HET Code: SAM
Formula: C15H23N6O5S
Molecular weight: 399.445 g/mol
DrugBank ID: DB00118
Buried Surface Area:74.25 %
Polar Surface area: 189.77 Å2
Number of
H-Bond Acceptors: 9
H-Bond Donors: 4
Rings: 3
Aromatic rings: 2
Anionic atoms: 1
Cationic atoms: 2
Rule of Five Violation: 1
Rotatable Bonds: 7

Mass center Coordinates

XYZ
-7.37856-6.88752-83.126


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
OXTNE2GLN- 1133.22150.17H-Bond
(Protein Donor)
CECD1ILE- 1174.030Hydrophobic
CGCD1ILE- 1173.530Hydrophobic
CECBASP- 1344.020Hydrophobic
O2'OD1ASP- 1792.64164.17H-Bond
(Ligand Donor)
O2'OD2ASP- 1793.28136.14H-Bond
(Ligand Donor)
C4'CDLYS- 1813.760Hydrophobic
C1'CDLYS- 1813.790Hydrophobic
N1OGSER- 2472.91141.19H-Bond
(Protein Donor)
N6OARG- 2493140.31H-Bond
(Ligand Donor)
C1'CZPHE- 2503.670Hydrophobic
C5'CBASP- 2584.310Hydrophobic
C3'CBASP- 2583.890Hydrophobic
CGCBASP- 2583.920Hydrophobic
O3'OD2ASP- 2583.13158.35H-Bond
(Ligand Donor)
CECD1ILE- 3223.870Hydrophobic