Calcium in PDB 6e6c: Hras G13D Bound to Gppnhp (H13GNP)

The structure of Hras G13D Bound to Gppnhp (H13GNP), PDB code: 6e6c 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)	25.10 / 1.90
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	54.600, 47.753, 57.037, 90.00, 118.31, 90.00
R / Rfree (%)	16.8 / 23

The structure of Hras G13D Bound to Gppnhp (H13GNP) also contains other interesting chemical elements:

Magnesium

(Mg)

1 atom

The binding sites of Calcium atom in the Hras G13D Bound to Gppnhp (H13GNP) (pdb code 6e6c). 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 G13D Bound to Gppnhp (H13GNP), PDB code: 6e6c:

Calcium binding site 1 out of 1 in the Hras G13D Bound to Gppnhp (H13GNP)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Hras G13D Bound to Gppnhp (H13GNP) within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca203 b:35.8 occ:1.00 O A:GLU3 2.3 27.7 1.0 O A:HOH369 2.4 41.0 1.0 OE2 A:GLU76 2.5 38.8 1.0 O A:HOH321 2.6 43.2 1.0 O A:HOH379 2.6 35.4 1.0 OE1 A:GLU76 2.7 29.6 1.0 CD A:GLU76 2.9 30.8 1.0 C A:GLU3 3.5 31.5 1.0 CA A:TYR4 4.3 25.4 1.0 N A:TYR4 4.3 28.4 1.0 CG A:GLU76 4.4 26.9 1.0 CA A:GLU3 4.4 25.9 1.0 N A:GLU3 4.6 23.1 1.0 CB A:GLU3 4.6 30.7 1.0 N A:LYS5 4.8 25.2 1.0

C.W.Johnson, Y.J.Lin, D.Reid, J.Parker, S.Pavlopoulos, P.Dischinger, C.Graveel, A.J.Aguirre, M.Steensma, K.M.Haigis, C.Mattos. Isoform-Specific Destabilization of the Active Site Reveals A Molecular Mechanism of Intrinsic Activation of Kras G13D. Cell Rep V. 28 1538 2019.
ISSN: ESSN 2211-1247
PubMed: 31390567
DOI: 10.1016/J.CELREP.2019.07.026