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Calcium in PDB 8elx: Hras R97I Crystal Form 1

Enzymatic activity of Hras R97I Crystal Form 1

All present enzymatic activity of Hras R97I Crystal Form 1:
3.6.5.2;

Protein crystallography data

The structure of Hras R97I Crystal Form 1, PDB code: 8elx was solved by C.W.Johnson, C.Mattos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 33.52 / 1.98
Space group H 3 2
Cell size a, b, c (Å), α, β, γ (°) 89.169, 89.169, 135.153, 90, 90, 120
R / Rfree (%) 22.7 / 28.6

Other elements in 8elx:

The structure of Hras R97I Crystal Form 1 also contains other interesting chemical elements:

Magnesium (Mg) 2 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the Hras R97I Crystal Form 1 (pdb code 8elx). 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 Hras R97I Crystal Form 1, PDB code: 8elx:

Calcium binding site 1 out of 1 in 8elx

Go back to Calcium Binding Sites List in 8elx
Calcium binding site 1 out of 1 in the Hras R97I Crystal Form 1


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Hras R97I Crystal Form 1 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca202

b:17.4
occ:1.00
O A:PHE28 2.3 14.2 1.0
OD1 A:ASP30 2.4 16.5 1.0
C A:PHE28 3.5 13.4 1.0
CG A:ASP30 3.6 13.6 1.0
N A:ASP30 4.0 16.0 1.0
CA A:VAL29 4.3 13.1 1.0
N A:VAL29 4.4 13.4 1.0
OD2 A:ASP30 4.4 20.0 1.0
CB A:ASP30 4.4 15.1 1.0
CA A:PHE28 4.5 16.5 1.0
C A:VAL29 4.6 17.3 1.0
N A:PHE28 4.6 12.0 1.0
O A:HOH389 4.8 17.5 1.0
O A:HOH426 4.8 25.5 1.0
CB A:PHE28 4.8 14.9 1.0
CA A:ASP30 4.8 14.4 1.0
ND1 A:HIS27 4.9 16.8 1.0

Reference:

C.W.Johnson, S.K.Fetics, K.P.Davis, J.A.Rodrigues, C.Mattos. Allosteric Site Variants Affect Gtp Hydrolysis on Ras. Protein Sci. E4767 2023.
ISSN: ESSN 1469-896X
PubMed: 37615343
DOI: 10.1002/PRO.4767
Page generated: Thu Jul 10 04:13:10 2025

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