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Calcium in PDB 3k9n: Allosteric Modulation of H-Ras Gtpase

Protein crystallography data

The structure of Allosteric Modulation of H-Ras Gtpase, PDB code: 3k9n was solved by S.Fetics, M.Young, G.Buhrman, C.Mattos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 27.34 / 2.00
Space group P 31 2 1
Cell size a, b, c (Å), α, β, γ (°) 38.423, 38.423, 191.749, 90.00, 90.00, 120.00
R / Rfree (%) 21.3 / 27.7

Other elements in 3k9n:

The structure of Allosteric Modulation of H-Ras Gtpase also contains other interesting chemical elements:

Magnesium (Mg) 1 atom

Calcium Binding Sites:

The binding sites of Calcium atom in the Allosteric Modulation of H-Ras Gtpase (pdb code 3k9n). 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 Allosteric Modulation of H-Ras Gtpase, PDB code: 3k9n:

Calcium binding site 1 out of 1 in 3k9n

Go back to Calcium Binding Sites List in 3k9n
Calcium binding site 1 out of 1 in the Allosteric Modulation of H-Ras Gtpase


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Allosteric Modulation of H-Ras Gtpase within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca202

b:25.7
occ:0.50
OD1 A:ASP105 2.3 29.8 1.0
O A:ARG102 2.4 18.8 1.0
O A:HOH320 2.5 31.9 1.0
O A:HOH543 3.0 38.1 0.5
C A:ARG102 3.5 23.9 1.0
CG A:ASP105 3.5 25.2 1.0
CA A:ARG102 3.9 25.4 1.0
OD2 A:ASP105 4.3 33.9 1.0
CB A:ARG102 4.5 27.3 1.0
CA A:ASP105 4.5 25.1 1.0
CB A:ASP105 4.5 26.2 1.0
N A:VAL103 4.6 20.4 1.0
N A:ASP105 4.7 21.9 1.0
O A:LYS101 4.9 21.9 1.0
CA A:VAL103 4.9 20.8 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 Jul 13 12:10:16 2024

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