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Calcium in PDB 3lbn: Ras Soaked in Magnesium Acetate

Protein crystallography data

The structure of Ras Soaked in Magnesium Acetate, PDB code: 3lbn was solved by G.Holzapfel, G.Buhrman, C.Mattos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 25.33 / 1.86
Space group H 3 2
Cell size a, b, c (Å), α, β, γ (°) 88.502, 88.502, 135.005, 90.00, 90.00, 120.00
R / Rfree (%) 18.2 / 22.4

Other elements in 3lbn:

The structure of Ras Soaked in Magnesium Acetate also contains other interesting chemical elements:

Magnesium (Mg) 3 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the Ras Soaked in Magnesium Acetate (pdb code 3lbn). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Ras Soaked in Magnesium Acetate, PDB code: 3lbn:

Calcium binding site 1 out of 1 in 3lbn

Go back to Calcium Binding Sites List in 3lbn
Calcium binding site 1 out of 1 in the Ras Soaked in Magnesium Acetate


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Ras Soaked in Magnesium Acetate within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca167

b:32.3
occ:1.00
OD1 A:ASP30 2.4 28.7 1.0
O A:PHE28 2.4 24.9 1.0
O A:HOH281 2.5 34.8 1.0
O A:HOH248 2.6 34.2 1.0
CG A:ASP30 3.6 41.5 1.0
C A:PHE28 3.7 28.2 1.0
N A:ASP30 4.0 27.8 1.0
CA A:VAL29 4.3 23.2 1.0
CB A:ASP30 4.4 31.0 1.0
N A:VAL29 4.4 24.4 1.0
OD2 A:ASP30 4.5 34.2 1.0
O A:HOH258 4.6 52.3 1.0
C A:VAL29 4.6 26.1 1.0
O A:HOH216 4.6 37.2 1.0
CA A:PHE28 4.7 25.4 1.0
N A:PHE28 4.8 24.2 1.0
CA A:ASP30 4.8 30.3 1.0
CB A:PHE28 5.0 27.8 1.0

Reference:

G.Buhrman, G.Holzapfel, S.Fetics, C.Mattos. Allosteric Modulation of Ras Positions Q61 For A Direct Role in Catalysis. Proc.Natl.Acad.Sci.Usa V. 107 4931 2010.
ISSN: ISSN 0027-8424
PubMed: 20194776
DOI: 10.1073/PNAS.0912226107
Page generated: Sat Dec 12 04:18:45 2020

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