Calcium in PDB 2wkp: Structure of A Photoactivatable RAC1 Containing LOV2 Wildtype

The structure of Structure of A Photoactivatable RAC1 Containing LOV2 Wildtype, PDB code: 2wkp was solved by Y.I.Wu, D.Frey, O.I.Lungu, A.Jaehrig, I.Schlichting, B.Kuhlman, K.M.Hahn, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	40.22 / 1.90
Space group	P 32 2 1
Cell size a, b, c (Å), α, β, γ (°)	113.880, 113.880, 69.520, 90.00, 90.00, 120.00
R / Rfree (%)	16.6 / 19.5

The structure of Structure of A Photoactivatable RAC1 Containing LOV2 Wildtype also contains other interesting chemical elements:

Magnesium

(Mg)

1 atom

The binding sites of Calcium atom in the Structure of A Photoactivatable RAC1 Containing LOV2 Wildtype (pdb code 2wkp). 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 Structure of A Photoactivatable RAC1 Containing LOV2 Wildtype, PDB code: 2wkp:

Calcium binding site 1 out of 1 in the Structure of A Photoactivatable RAC1 Containing LOV2 Wildtype


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structure of A Photoactivatable RAC1 Containing LOV2 Wildtype within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca1727 b:20.4 occ:1.00 O A:LEU446 2.5 14.8 1.0 O A:HOH2151 2.5 21.1 1.0 O A:HOH2036 2.5 23.2 1.0 OD2 A:ASP581 2.5 15.5 1.0 O A:GLU443 2.6 25.4 1.0 OD1 A:ASP581 2.8 22.3 1.0 O A:HOH2149 2.9 37.1 1.0 CG A:ASP581 3.0 24.0 1.0 O A:HOH2038 3.2 45.7 1.0 C A:LEU446 3.5 18.4 1.0 C A:GLU443 3.7 23.8 1.0 O A:HOH2153 4.2 34.3 1.0 N A:GLY447 4.4 11.2 1.0 CA A:GLY447 4.4 12.6 1.0 CA A:GLU443 4.4 24.5 1.0 O A:HOH2035 4.4 38.9 1.0 CA A:LEU446 4.5 14.0 1.0 O A:ASN582 4.5 14.7 1.0 CB A:ASP581 4.5 17.8 1.0 CB A:LEU446 4.5 14.9 1.0 N A:LEU446 4.6 15.4 1.0 O A:HOH2145 4.7 28.7 1.0 N A:GLU444 4.8 19.5 1.0 C A:GLU444 4.8 27.3 1.0 O A:GLU444 4.9 26.3 1.0 CB A:GLU443 4.9 29.1 1.0 N A:ASN582 4.9 13.9 1.0

Y.I.Wu, D.Frey, O.I.Lungu, A.Jaehrig, I.Schlichting, B.Kuhlman, K.M.Hahn. A Genetically Encoded Photoactivatable Rac Controls the Motility of Living Cells. Nature V. 461 104 2009.
ISSN: ISSN 0028-0836
PubMed: 19693014
DOI: 10.1038/NATURE08241