Calcium in PDB 4j9z: Calcium-Calmodulin Complexed with the Calmodulin Binding Domain From A Small Conductance Potassium Channel Splice Variant and NS309

The structure of Calcium-Calmodulin Complexed with the Calmodulin Binding Domain From A Small Conductance Potassium Channel Splice Variant and NS309, PDB code: 4j9z was solved by M.Zhang, J.M.Pascal, J.-F.Zhang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	27.79 / 1.66
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	77.200, 66.850, 64.830, 90.00, 93.81, 90.00
R / Rfree (%)	19.1 / 22.1

The structure of Calcium-Calmodulin Complexed with the Calmodulin Binding Domain From A Small Conductance Potassium Channel Splice Variant and NS309 also contains other interesting chemical elements:

Chlorine

(Cl)

2 atoms

The binding sites of Calcium atom in the Calcium-Calmodulin Complexed with the Calmodulin Binding Domain From A Small Conductance Potassium Channel Splice Variant and NS309 (pdb code 4j9z). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Calcium-Calmodulin Complexed with the Calmodulin Binding Domain From A Small Conductance Potassium Channel Splice Variant and NS309, PDB code: 4j9z:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Calcium-Calmodulin Complexed with the Calmodulin Binding Domain From A Small Conductance Potassium Channel Splice Variant and NS309


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Calcium-Calmodulin Complexed with the Calmodulin Binding Domain From A Small Conductance Potassium Channel Splice Variant and NS309 within 5.0Å range: probe atom residue distance (Å) B Occ R:Ca202 b:46.2 occ:1.00 O R:THR26 2.2 35.9 1.0 OD1 R:ASP24 2.3 43.1 1.0 OD1 R:ASP22 2.3 58.6 1.0 OE2 R:GLU31 2.4 44.1 1.0 O R:HOH317 2.4 50.0 1.0 OD1 R:ASP20 2.4 42.5 1.0 OE1 R:GLU31 2.4 37.5 1.0 CD R:GLU31 2.7 44.9 1.0 CG R:ASP22 3.1 50.2 1.0 CG R:ASP24 3.2 55.1 1.0 OD2 R:ASP22 3.3 57.0 1.0 C R:THR26 3.5 38.4 1.0 CG R:ASP20 3.6 46.9 1.0 OD2 R:ASP24 3.9 55.0 1.0 N R:ASP24 4.1 57.0 1.0 N R:THR26 4.1 43.3 1.0 CG R:GLU31 4.2 37.6 1.0 CG2 R:THR26 4.2 43.0 1.0 CA R:ASP20 4.2 45.2 1.0 CB R:ASP24 4.2 48.6 1.0 N R:ASP22 4.3 60.7 1.0 CB R:ASP22 4.3 50.3 1.0 CA R:THR26 4.3 38.2 1.0 C R:ASP20 4.4 55.7 1.0 OD2 R:ASP20 4.4 48.0 1.0 N R:ILE27 4.4 35.9 1.0 CB R:ASP20 4.4 43.3 1.0 N R:GLY23 4.4 61.1 1.0 N R:LYS21 4.5 54.8 1.0 CA R:ILE27 4.6 35.8 1.0 CA R:ASP24 4.6 51.7 1.0 CA R:ASP22 4.7 61.3 1.0 N R:GLY25 4.7 46.3 1.0 C R:ASP24 4.9 54.1 1.0 C R:ASP22 4.9 64.1 1.0 CB R:THR26 4.9 59.8 1.0 O R:ASP20 5.0 57.3 1.0 CG2 R:THR28 5.0 41.5 1.0 O R:HOH334 5.0 47.0 1.0

Calcium binding site 2 out of 2 in the Calcium-Calmodulin Complexed with the Calmodulin Binding Domain From A Small Conductance Potassium Channel Splice Variant and NS309


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Calcium-Calmodulin Complexed with the Calmodulin Binding Domain From A Small Conductance Potassium Channel Splice Variant and NS309 within 5.0Å range: probe atom residue distance (Å) B Occ R:Ca203 b:38.4 occ:1.00 O R:HOH301 2.0 23.3 1.0 OD1 R:ASP56 2.1 48.9 1.0 OD2 R:ASP58 2.3 46.3 1.0 OE2 R:GLU67 2.4 50.4 0.5 OE2 R:GLU67 2.5 49.6 0.5 O R:THR62 2.6 40.5 1.0 OE1 R:GLU67 2.6 44.0 0.5 OE1 R:GLU67 2.6 44.9 0.5 OD1 R:ASN60 2.7 51.4 1.0 CD R:GLU67 2.9 49.7 0.5 CD R:GLU67 2.9 48.6 0.5 CG R:ASP56 3.3 47.5 1.0 CG R:ASP58 3.5 49.7 1.0 CG R:ASN60 3.7 53.4 1.0 C R:THR62 3.8 41.5 1.0 CA R:ASP56 3.8 56.9 1.0 N R:ASP58 3.9 68.1 1.0 N R:GLY59 4.0 58.7 1.0 N R:ALA57 4.0 65.3 1.0 C R:ASP56 4.0 63.6 1.0 N R:ASN60 4.0 55.7 1.0 O R:HOH373 4.1 44.8 1.0 CB R:ASP56 4.1 47.3 1.0 OD2 R:ASP56 4.2 55.7 1.0 OD1 R:ASP58 4.2 57.8 1.0 CG R:GLU67 4.4 44.9 0.5 N R:THR62 4.4 46.0 1.0 ND2 R:ASN60 4.4 56.2 1.0 CA R:ASP58 4.4 52.1 1.0 CG R:GLU67 4.5 43.3 0.5 C R:ASP58 4.5 59.4 1.0 CB R:ASP58 4.6 58.9 1.0 O R:HOH372 4.6 45.3 1.0 N R:GLY61 4.6 47.5 1.0 CA R:ILE63 4.6 39.0 1.0 C R:ALA57 4.7 71.5 1.0 N R:ILE63 4.7 38.8 1.0 CA R:THR62 4.7 43.0 1.0 O R:ASP56 4.7 67.0 1.0 CB R:ASN60 4.8 47.0 1.0 CA R:ASN60 4.8 50.9 1.0 CA R:GLY59 4.8 55.1 1.0 CA R:ALA57 4.8 70.2 1.0 N R:ASP64 4.9 45.3 1.0 C R:GLY59 4.9 54.2 1.0 C R:ASN60 4.9 51.5 1.0 O R:VAL55 5.0 68.6 1.0

M.Zhang, J.M.Pascal, J.F.Zhang. Unstructured to Structured Transition of An Intrinsically Disordered Protein Peptide in Coupling CA2+-Sensing and Sk Channel Activation. Proc.Natl.Acad.Sci.Usa V. 110 4828 2013.
ISSN: ISSN 0027-8424
PubMed: 23487779
DOI: 10.1073/PNAS.1220253110