Calcium in PDB 6b8n: Crystal Structure of the CA2+/Cam:KV7.4 (KCNQ4) Ab Domain Complex, 10 Um CACL2 Soak

The structure of Crystal Structure of the CA2+/Cam:KV7.4 (KCNQ4) Ab Domain Complex, 10 Um CACL2 Soak, PDB code: 6b8n was solved by A.Chang, D.L.Minor, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	14.98 / 2.20
Space group	I 2 2 2
Cell size a, b, c (Å), α, β, γ (°)	108.299, 143.382, 164.469, 90.00, 90.00, 90.00
R / Rfree (%)	22 / 26.4

The binding sites of Calcium atom in the Crystal Structure of the CA2+/Cam:KV7.4 (KCNQ4) Ab Domain Complex, 10 Um CACL2 Soak (pdb code 6b8n). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 4 binding sites of Calcium where determined in the Crystal Structure of the CA2+/Cam:KV7.4 (KCNQ4) Ab Domain Complex, 10 Um CACL2 Soak, PDB code: 6b8n:
Jump to Calcium binding site number: 1; 2; 3; 4;

Calcium binding site 1 out of 4 in the Crystal Structure of the CA2+/Cam:KV7.4 (KCNQ4) Ab Domain Complex, 10 Um CACL2 Soak


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 CA2+/Cam:KV7.4 (KCNQ4) Ab Domain Complex, 10 Um CACL2 Soak within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca201 b:51.8 occ:1.00 OD1 B:ASP24 2.4 55.6 1.0 OD1 B:ASP22 2.4 61.5 1.0 OE1 B:GLU31 2.4 53.6 1.0 OD1 B:ASP20 2.5 43.6 1.0 OE2 B:GLU31 2.5 57.6 1.0 O B:HOH305 2.5 54.5 1.0 O B:THR26 2.5 42.9 1.0 CD B:GLU31 2.8 52.0 1.0 CG B:ASP22 3.2 63.3 1.0 CG B:ASP24 3.2 48.9 1.0 OD2 B:ASP22 3.3 58.1 1.0 OD2 B:ASP24 3.5 54.6 1.0 C B:THR26 3.7 49.7 1.0 CG B:ASP20 3.7 51.5 1.0 OG1 B:THR26 3.9 55.5 1.0 CA B:ASP20 4.2 44.7 1.0 CG B:GLU31 4.2 48.8 1.0 N B:THR26 4.2 43.9 1.0 N B:ASP24 4.3 48.2 1.0 CB B:ASP24 4.3 48.3 1.0 CA B:THR26 4.4 42.0 1.0 CB B:ASP20 4.4 44.9 1.0 CB B:ASP22 4.6 44.9 1.0 OD2 B:ASP20 4.6 49.5 1.0 N B:ASP22 4.6 57.3 1.0 N B:ILE27 4.6 45.7 1.0 C B:ASP20 4.6 44.0 1.0 N B:GLY23 4.7 47.0 1.0 N B:LYS21 4.7 52.6 1.0 CA B:ASP24 4.8 49.0 1.0 CA B:ILE27 4.8 43.8 1.0 CB B:THR26 4.8 53.2 1.0 N B:GLY25 4.9 43.7 1.0 CA B:ASP22 5.0 43.6 1.0 C B:ASP24 5.0 41.8 1.0

Calcium binding site 2 out of 4 in the Crystal Structure of the CA2+/Cam:KV7.4 (KCNQ4) Ab Domain Complex, 10 Um CACL2 Soak


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Crystal Structure of the CA2+/Cam:KV7.4 (KCNQ4) Ab Domain Complex, 10 Um CACL2 Soak within 5.0Å range: probe atom residue distance (Å) B Occ D:Ca201 b:48.0 occ:1.00 OD1 D:ASP24 2.4 52.5 1.0 OE2 D:GLU31 2.4 51.4 1.0 OD1 D:ASP22 2.5 54.9 1.0 O D:THR26 2.5 44.9 1.0 OD1 D:ASP20 2.5 37.3 1.0 OE1 D:GLU31 2.6 50.2 1.0 CD D:GLU31 2.8 52.8 1.0 CG D:ASP24 3.2 47.3 1.0 CG D:ASP22 3.3 58.5 1.0 OD2 D:ASP22 3.3 62.5 1.0 OD2 D:ASP24 3.5 54.2 1.0 C D:THR26 3.6 47.9 1.0 OG1 D:THR26 3.6 53.2 1.0 CG D:ASP20 3.7 46.5 1.0 N D:THR26 4.2 45.2 1.0 CG D:GLU31 4.3 42.9 1.0 O D:HOH317 4.3 45.4 1.0 CA D:THR26 4.3 47.5 1.0 CA D:ASP20 4.4 44.9 1.0 CB D:ASP24 4.4 47.8 1.0 CB D:ASP20 4.5 47.2 1.0 N D:ASP24 4.5 43.3 1.0 N D:ILE27 4.6 45.0 1.0 CB D:THR26 4.6 41.2 1.0 OD2 D:ASP20 4.6 49.5 1.0 CB D:ASP22 4.7 49.5 1.0 CA D:ILE27 4.7 34.8 1.0 N D:ASP22 4.8 50.9 1.0 N D:THR28 4.8 44.4 1.0 CG2 D:THR28 4.8 41.0 1.0 C D:ASP20 4.9 50.9 1.0 CA D:ASP24 4.9 47.1 1.0 OG1 D:THR28 4.9 43.6 1.0 N D:LYS21 5.0 55.1 1.0 N D:GLY23 5.0 50.0 1.0

Calcium binding site 3 out of 4 in the Crystal Structure of the CA2+/Cam:KV7.4 (KCNQ4) Ab Domain Complex, 10 Um CACL2 Soak


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Crystal Structure of the CA2+/Cam:KV7.4 (KCNQ4) Ab Domain Complex, 10 Um CACL2 Soak within 5.0Å range: probe atom residue distance (Å) B Occ F:Ca201 b:54.1 occ:1.00 OD1 F:ASP24 2.3 61.8 1.0 OE2 F:GLU31 2.5 55.8 1.0 OE1 F:GLU31 2.5 68.6 1.0 OD1 F:ASP22 2.5 58.6 1.0 O F:THR26 2.5 52.2 1.0 OD2 F:ASP20 2.7 51.3 1.0 CD F:GLU31 2.8 54.0 1.0 OD2 F:ASP22 3.1 61.9 1.0 CG F:ASP24 3.1 57.4 1.0 CG F:ASP22 3.2 63.3 1.0 OD2 F:ASP24 3.4 61.9 1.0 C F:THR26 3.6 56.5 1.0 OG1 F:THR26 3.7 62.6 1.0 CG F:ASP20 3.9 53.8 1.0 CG F:GLU31 4.2 56.8 1.0 N F:THR26 4.3 53.0 1.0 CA F:THR26 4.4 51.9 1.0 CA F:ASP20 4.4 50.8 1.0 CB F:ASP24 4.4 56.3 1.0 N F:ASP24 4.5 60.8 1.0 N F:ILE27 4.5 51.8 1.0 CB F:THR26 4.6 60.7 1.0 CB F:ASP22 4.6 61.4 1.0 CA F:ILE27 4.7 46.2 1.0 CG2 F:THR28 4.7 54.3 1.0 CB F:ASP20 4.7 55.0 1.0 N F:ASP22 4.8 48.6 1.0 OD1 F:ASP20 4.8 49.6 1.0 N F:THR28 4.8 53.5 1.0 N F:LYS21 4.9 55.0 1.0 CA F:ASP24 4.9 59.0 1.0 N F:GLY23 4.9 61.6 1.0 C F:ASP20 4.9 57.0 1.0

Calcium binding site 4 out of 4 in the Crystal Structure of the CA2+/Cam:KV7.4 (KCNQ4) Ab Domain Complex, 10 Um CACL2 Soak


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 4 of Crystal Structure of the CA2+/Cam:KV7.4 (KCNQ4) Ab Domain Complex, 10 Um CACL2 Soak within 5.0Å range: probe atom residue distance (Å) B Occ H:Ca201 b:55.8 occ:1.00 OD1 H:ASP24 2.3 74.8 1.0 OD2 H:ASP22 2.5 61.1 1.0 O H:HOH313 2.5 61.0 1.0 OD2 H:ASP20 2.5 47.6 1.0 O H:THR26 2.5 51.0 1.0 OE1 H:GLU31 2.5 59.0 1.0 OE2 H:GLU31 2.5 60.5 1.0 CD H:GLU31 2.8 58.3 1.0 CG H:ASP22 3.2 66.0 1.0 CG H:ASP24 3.2 58.8 1.0 OD1 H:ASP22 3.2 61.3 1.0 OD2 H:ASP24 3.6 64.5 1.0 C H:THR26 3.7 55.2 1.0 CG H:ASP20 3.7 57.4 1.0 OG1 H:THR26 3.9 64.8 1.0 N H:THR26 4.2 56.9 1.0 CG H:GLU31 4.3 45.8 1.0 CB H:ASP24 4.4 56.2 1.0 CA H:ASP20 4.4 54.7 1.0 N H:ASP24 4.4 56.5 1.0 O H:HOH307 4.4 50.2 1.0 CA H:THR26 4.4 57.6 1.0 CB H:ASP20 4.5 49.9 1.0 OD1 H:ASP20 4.5 61.1 1.0 CB H:ASP22 4.6 57.4 1.0 N H:ILE27 4.6 54.0 1.0 CG2 H:THR28 4.7 42.8 1.0 N H:ASP22 4.7 55.8 1.0 N H:THR28 4.8 49.3 1.0 CA H:ILE27 4.8 46.8 1.0 CB H:THR26 4.8 56.6 1.0 N H:GLY23 4.8 58.4 1.0 C H:ASP20 4.8 60.0 1.0 CA H:ASP24 4.8 58.8 1.0 N H:LYS21 4.9 60.6 1.0 N H:GLY25 4.9 60.7 1.0 OG1 H:THR28 4.9 52.9 1.0

A.Chang, F.Abderemane-Ali, G.L.Hura, N.D.Rossen, R.E.Gate, D.L.Minor. A Calmodulin C-Lobe Ca Neuron V. 97 836 2018.
ISSN: ISSN 1097-4199
PubMed: 29429937
DOI: 10.1016/J.NEURON.2018.01.035