Calcium in PDB 4gx0: Crystal Structure of the Gsuk L97D Mutant

The structure of Crystal Structure of the Gsuk L97D Mutant, PDB code: 4gx0 was solved by C.Kong, W.Zeng, S.Ye, L.Chen, D.B.Sauer, Y.Lam, M.G.Derebe, Y.Jiang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.94 / 2.60
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	232.934, 111.670, 164.133, 90.00, 134.47, 90.00
R / Rfree (%)	20.3 / 24.9

The structure of Crystal Structure of the Gsuk L97D Mutant also contains other interesting chemical elements:

Potassium	(K)	12 atoms
Zinc	(Zn)	4 atoms

The binding sites of Calcium atom in the Crystal Structure of the Gsuk L97D Mutant (pdb code 4gx0). 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 Gsuk L97D Mutant, PDB code: 4gx0:
Jump to Calcium binding site number: 1; 2; 3; 4;

Calcium binding site 1 out of 4 in the Crystal Structure of the Gsuk L97D 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 Gsuk L97D Mutant within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca607 b:49.2 occ:1.00 O B:THR183 2.7 55.6 1.0 O A:GLU449 2.9 50.5 1.0 OE1 A:GLN453 3.0 55.4 1.0 OG1 B:THR214 3.0 43.5 1.0 OD1 A:ASN450 3.0 41.3 1.0 OD1 B:ASN210 3.0 42.6 1.0 CD A:GLN453 3.6 56.0 1.0 C B:THR183 3.8 57.6 1.0 CG A:GLN453 3.9 48.4 1.0 C A:GLU449 3.9 48.8 1.0 CG2 B:THR214 4.0 51.2 1.0 CG B:ASN210 4.0 42.9 1.0 CG A:ASN450 4.0 43.1 1.0 CA A:ASN450 4.0 45.6 1.0 CB B:THR214 4.1 50.3 1.0 ND2 B:ASN210 4.2 31.8 1.0 CB B:THR183 4.3 54.3 1.0 N A:ASN450 4.4 50.5 1.0 CB A:ASN450 4.5 40.3 1.0 CB A:GLN453 4.5 41.7 1.0 NE2 A:GLN453 4.5 49.7 1.0 CA B:THR183 4.6 48.8 1.0 O B:ASN210 4.7 45.9 1.0 OG1 B:THR183 4.8 66.0 1.0 N B:ASP184 4.9 62.1 1.0 ND2 A:ASN450 5.0 41.4 1.0 CA B:ASP184 5.0 53.5 1.0

Calcium binding site 2 out of 4 in the Crystal Structure of the Gsuk L97D Mutant


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 Gsuk L97D Mutant within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca602 b:49.2 occ:1.00 OD1 B:ASN450 2.8 46.0 1.0 OE1 B:GLN453 2.9 53.4 1.0 O B:GLU449 2.9 41.3 1.0 CD B:GLN453 3.4 41.2 1.0 CG B:GLN453 3.7 36.4 1.0 CG B:ASN450 3.9 44.3 1.0 C B:GLU449 3.9 44.5 1.0 CA B:ASN450 4.0 40.2 1.0 O B:HOH751 4.0 45.7 1.0 CB B:GLN453 4.4 29.3 1.0 NE2 B:GLN453 4.4 46.9 1.0 N B:ASN450 4.4 41.7 1.0 CB B:ASN450 4.4 40.8 1.0 ND2 B:ASN450 5.0 46.2 1.0 CD1 B:ILE426 5.0 23.2 1.0

Calcium binding site 3 out of 4 in the Crystal Structure of the Gsuk L97D Mutant


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 Gsuk L97D Mutant within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca606 b:50.1 occ:1.00 O C:THR183 2.7 53.4 1.0 OD1 C:ASN210 2.8 43.4 1.0 OG1 C:THR214 2.9 42.0 1.0 CG C:ASN210 3.7 41.6 1.0 ND2 C:ASN210 3.8 29.8 1.0 C C:THR183 3.8 58.0 1.0 CB C:THR183 4.1 58.6 1.0 CB C:THR214 4.1 52.4 1.0 CG2 C:THR214 4.2 48.4 1.0 CA C:THR183 4.4 58.4 1.0 OG1 C:THR183 4.5 51.0 1.0 O C:ASN210 4.7 41.6 1.0 N C:ASP184 4.9 53.7 1.0

Calcium binding site 4 out of 4 in the Crystal Structure of the Gsuk L97D Mutant


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 Gsuk L97D Mutant within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca607 b:47.4 occ:1.00 O D:THR183 2.7 52.7 1.0 OD1 D:ASN210 2.8 37.7 1.0 OE1 C:GLN453 2.8 51.8 1.0 OG1 D:THR214 2.8 43.8 1.0 O C:GLU449 3.0 55.1 1.0 OD1 C:ASN450 3.0 40.8 1.0 CD C:GLN453 3.5 55.2 1.0 CG C:GLN453 3.7 44.3 1.0 CG D:ASN210 3.8 42.1 1.0 C D:THR183 3.9 55.0 1.0 CG C:ASN450 4.0 49.9 1.0 CB D:THR214 4.0 38.8 1.0 C C:GLU449 4.0 52.6 1.0 CA C:ASN450 4.1 45.5 1.0 ND2 D:ASN210 4.1 40.0 1.0 CG2 D:THR214 4.1 43.4 1.0 CB D:THR183 4.3 49.1 1.0 CB C:GLN453 4.4 45.3 1.0 NE2 C:GLN453 4.5 48.9 1.0 N C:ASN450 4.5 54.8 1.0 CB C:ASN450 4.6 47.9 1.0 CA D:THR183 4.6 53.4 1.0 O D:ASN210 4.6 43.5 1.0 OG1 D:THR183 4.8 46.0 1.0 N D:ASP184 4.9 48.1 1.0

C.Kong, W.Zeng, S.Ye, L.Chen, D.B.Sauer, Y.Lam, M.G.Derebe, Y.Jiang. Distinct Gating Mechanisms Revealed By the Structures of A Multi-Ligand Gated K(+) Channel. Elife V. 1 00184 2012.
PubMed: 23240087
DOI: 10.7554/ELIFE.00184