Logo scPDB

sc-PDB

An Annotated Database of Druggable Binding Sites from the Protein DataBank

Logo CNRS Logo Unistra
Protein Data Bank Entry:

1rg9

2.500 Å

X-ray

2003-11-11

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:S-adenosylmethionine synthase
ID:METK_ECOLI
AC:P0A817
Organism:Escherichia coli
Reign:Bacteria
TaxID:83333
EC Number:2.5.1.6


Chains:

Chain Name:Percentage of Residues
within binding site
C48 %
D52 %


Ligand binding site composition:

B-Factor:16.561
Number of residues:48
Including
Standard Amino Acids: 44
Non Standard Amino Acids: 3
Water Molecules: 1
Cofactors:
Metals: MG K MG

Cavity properties

LigandabilityVolume (Å3)
0.202448.875

% Hydrophobic% Polar
51.1348.87
According to VolSite

Ligand :
1rg9_4 Structure
HET Code: SAM
Formula: C15H23N6O5S
Molecular weight: 399.445 g/mol
DrugBank ID: DB00118
Buried Surface Area:71.87 %
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
-38.693328.3501-4.77807


Binding mode :
What is Poseview ?
  • 2D View
  • 3D View
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
NOE2GLU- 553.020Ionic
(Ligand Cationic)
ONE2GLN- 982.91161.81H-Bond
(Protein Donor)
OXTNE2GLN- 983.44140.32H-Bond
(Protein Donor)
CBCD1ILE- 1024.030Hydrophobic
SDCD1ILE- 1023.650Hydrophobic
CECBASP- 1183.620Hydrophobic
O2'OD1ASP- 1632.63148.01H-Bond
(Ligand Donor)
O2'OD2ASP- 1633.11139.45H-Bond
(Ligand Donor)
C4'CDLYS- 1653.60Hydrophobic
N6OARG- 2292.8129.48H-Bond
(Ligand Donor)
DuArDuArPHE- 2303.650Aromatic Face/Face
C1'CZPHE- 2303.770Hydrophobic
NOD1ASP- 2382.98140.77H-Bond
(Ligand Donor)
O3'OD2ASP- 2382.97157.99H-Bond
(Ligand Donor)
NOD1ASP- 2382.980Ionic
(Ligand Cationic)
C3'CBASP- 2383.680Hydrophobic
C5'CBASP- 2384.330Hydrophobic
ONZLYS- 2692.97149.33H-Bond
(Protein Donor)
ONZLYS- 2692.970Ionic
(Protein Cationic)
OXTNZLYS- 2693.880Ionic
(Protein Cationic)
CECD1ILE- 3023.60Hydrophobic
OXTOHOH- 9022.97179.98H-Bond
(Protein Donor)