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Sodium in PDB 6cup: Ras:Sos:Ras in Complex with A Small Molecule Activator

Protein crystallography data

The structure of Ras:Sos:Ras in Complex with A Small Molecule Activator, PDB code: 6cup was solved by J.Phan, J.Abbott, S.W.Fesik, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 37.51 / 1.83
Space group I 4 2 2
Cell size a, b, c (Å), α, β, γ (°) 184.654, 184.654, 179.351, 90.00, 90.00, 90.00
R / Rfree (%) 16.1 / 17.4

Other elements in 6cup:

The structure of Ras:Sos:Ras in Complex with A Small Molecule Activator also contains other interesting chemical elements:

Fluorine (F) 1 atom
Magnesium (Mg) 1 atom
Chlorine (Cl) 1 atom

Sodium Binding Sites:

The binding sites of Sodium atom in the Ras:Sos:Ras in Complex with A Small Molecule Activator (pdb code 6cup). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total only one binding site of Sodium was determined in the Ras:Sos:Ras in Complex with A Small Molecule Activator, PDB code: 6cup:

Sodium binding site 1 out of 1 in 6cup

Go back to Sodium Binding Sites List in 6cup
Sodium binding site 1 out of 1 in the Ras:Sos:Ras in Complex with A Small Molecule Activator


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Ras:Sos:Ras in Complex with A Small Molecule Activator within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Na202

b:45.6
occ:1.00
O C:HOH449 2.3 61.2 1.0
O C:HOH443 2.7 48.4 1.0
N C:THR87 2.9 22.8 0.7
N C:THR87 2.9 23.6 0.3
OG1 C:THR87 3.0 28.6 0.3
OG1 C:THR124 3.1 29.2 1.0
OG1 C:THR87 3.2 31.9 0.7
O C:HOH409 3.4 30.8 1.0
O C:ASN85 3.5 28.2 1.0
CA C:ASN86 3.5 24.2 1.0
CB C:THR87 3.7 30.0 0.7
CG2 C:THR87 3.7 30.0 0.3
C C:ASN86 3.7 26.4 1.0
CB C:THR87 3.7 29.4 0.3
CG2 C:THR124 3.7 34.4 1.0
CB C:THR124 3.8 31.6 1.0
CA C:THR87 3.9 23.1 0.7
CA C:THR87 3.9 24.6 0.3
C C:ASN85 4.0 33.4 1.0
N C:ASN86 4.0 26.5 1.0
O C:HOH402 4.6 61.4 1.0
O C:HOH424 4.7 50.5 1.0
CB C:ASN86 4.8 25.6 1.0
N C:LYS88 4.9 27.0 1.0
O C:ASN86 4.9 24.6 1.0
C C:THR87 4.9 24.7 0.3
C C:THR87 4.9 24.2 0.7
CG C:ASN86 5.0 34.0 1.0

Reference:

J.R.Abbott, P.A.Patel, J.E.Howes, D.T.Akan, J.P.Kennedy, M.C.Burns, C.F.Browning, Q.Sun, O.W.Rossanese, J.Phan, A.G.Waterson, S.W.Fesik. Discovery of Quinazolines That Activate SOS1-Mediated Nucleotide Exchange on Ras. Acs Med Chem Lett V. 9 941 2018.
ISSN: ISSN 1948-5875
PubMed: 30258545
DOI: 10.1021/ACSMEDCHEMLETT.8B00296
Page generated: Tue Dec 15 12:06:33 2020

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