Zinc in PDB 6eeb: Calmodulin in Complex with Malbrancheamide

The structure of Calmodulin in Complex with Malbrancheamide, PDB code: 6eeb was solved by T.S.Beyett, A.E.Fraley, J.J.G.Tesmer, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	37.17 / 1.96
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	49.113, 56.880, 116.781, 90.00, 90.00, 90.00
R / Rfree (%)	21.5 / 26.3

The structure of Calmodulin in Complex with Malbrancheamide also contains other interesting chemical elements:

Chlorine	(Cl)	2 atoms
Calcium	(Ca)	4 atoms

The binding sites of Zinc atom in the Calmodulin in Complex with Malbrancheamide (pdb code 6eeb). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total only one binding site of Zinc was determined in the Calmodulin in Complex with Malbrancheamide, PDB code: 6eeb:

Zinc binding site 1 out of 1 in the Calmodulin in Complex with Malbrancheamide


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Calmodulin in Complex with Malbrancheamide within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn206 b:31.3 occ:1.00 OE1 A:GLU85 2.0 33.4 1.0 OD2 A:ASP81 2.1 32.9 1.0 CG A:ASP81 2.7 28.8 1.0 OD1 A:ASP81 2.8 26.4 1.0 CD A:GLU85 2.9 35.1 1.0 OE2 A:GLU85 3.1 33.8 1.0 OG1 A:THR71 3.8 30.7 1.0 O A:HOH312 4.2 34.0 1.0 CB A:ASP81 4.2 27.1 1.0 CG A:GLU85 4.2 25.6 1.0 O A:HOH313 4.5 31.0 1.0 O A:PRO67 4.5 29.7 1.0 O A:HOH352 4.5 44.7 1.0 O A:HOH334 4.7 59.6 1.0 O A:ASP81 4.8 31.2 1.0 C A:ASP81 4.9 29.8 1.0

T.S.Beyett, A.E.Fraley, E.Labudde, D.Patra, R.C.Coleman, A.Eguchi, A.Glukhova, Q.Chen, R.M.Williams, W.J.Koch, D.H.Sherman, J.J.G.Tesmer. Perturbation of the Interactions of Calmodulin with GRK5 Using A Natural Product Chemical Probe. Proc.Natl.Acad.Sci.Usa V. 116 15895 2019.
ISSN: ESSN 1091-6490
PubMed: 31337679
DOI: 10.1073/PNAS.1818547116