Calcium in PDB 6v5a: Crystal Structure of the Human Bk Channel Gating Ring L390P Mutant

The structure of Crystal Structure of the Human Bk Channel Gating Ring L390P Mutant, PDB code: 6v5a was solved by Z.Deng, P.Yuan, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 2.00
Space group	H 3 2
Cell size a, b, c (Å), α, β, γ (°)	145.518, 145.518, 242.852, 90.00, 90.00, 120.00
R / Rfree (%)	20.3 / 22.6

The binding sites of Calcium atom in the Crystal Structure of the Human Bk Channel Gating Ring L390P Mutant (pdb code 6v5a). 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 Crystal Structure of the Human Bk Channel Gating Ring L390P Mutant, PDB code: 6v5a:

Calcium binding site 1 out of 1 in the Crystal Structure of the Human Bk Channel Gating Ring L390P Mutant


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of the Human Bk Channel Gating Ring L390P Mutant within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca2001 b:46.2 occ:1.00 O A:ASP892 2.2 35.4 1.0 O A:GLN889 2.3 37.6 1.0 O A:HOH2287 2.4 44.1 1.0 O A:HOH2241 2.5 47.9 1.0 O A:HOH2218 2.6 35.0 1.0 OD1 A:ASP895 2.6 48.8 1.0 OD1 A:ASP897 2.6 55.0 1.0 OD2 A:ASP897 2.7 58.7 1.0 CG A:ASP897 3.0 60.7 1.0 C A:ASP892 3.4 40.4 1.0 C A:GLN889 3.5 39.3 1.0 CG A:ASP895 3.6 52.2 1.0 OD2 A:ASP895 3.8 52.8 1.0 CA A:GLN889 4.2 40.2 1.0 N A:ASP892 4.2 39.2 1.0 CA A:ASP892 4.3 40.5 1.0 N A:GLN893 4.3 44.6 1.0 O A:ASP895 4.4 57.1 1.0 CA A:GLN893 4.4 50.8 1.0 N A:PHE890 4.5 37.5 1.0 CB A:ASP897 4.6 61.2 1.0 CB A:ASP892 4.7 41.3 1.0 CA A:PHE890 4.7 37.3 1.0 O A:HOH2257 4.8 47.7 1.0 OE1 A:GLN893 4.8 60.9 1.0 N A:ASP895 4.9 52.4 1.0 CB A:ASP895 4.9 51.9 1.0 C A:GLN893 4.9 52.9 1.0 C A:ASP895 4.9 55.5 1.0 CB A:GLN889 4.9 43.8 1.0 C A:PHE890 4.9 36.4 1.0

Y.Geng, Z.Deng, G.Zhang, G.Budelli, A.Butler, P.Yuan, J.Cui, L.Salkoff, K.L.Magleby. Coupling of CA2+and Voltage Activation in Bk Channels Through the Alpha B Helix/Voltage Sensor Interface. Proc.Natl.Acad.Sci.Usa V. 117 14512 2020.
ISSN: ESSN 1091-6490
PubMed: 32513714
DOI: 10.1073/PNAS.1908183117