Calcium in PDB 1lnq: Crystal Structure of Mthk at 3.3 A

The structure of Crystal Structure of Mthk at 3.3 A, PDB code: 1lnq was solved by Y.Jiang, A.Lee, J.Chen, M.Cadene, B.T.Chait, R.Mackinnon, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	46.45 / 3.30
Space group	P 61
Cell size a, b, c (Å), α, β, γ (°)	137.000, 137.000, 373.300, 90.00, 90.00, 120.00
R / Rfree (%)	30.1 / 31.8

The binding sites of Calcium atom in the Crystal Structure of Mthk at 3.3 A (pdb code 1lnq). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 8 binding sites of Calcium where determined in the Crystal Structure of Mthk at 3.3 A, PDB code: 1lnq:
Jump to Calcium binding site number: 1; 2; 3; 4; 5; 6; 7; 8;

Calcium binding site 1 out of 8 in the Crystal Structure of Mthk at 3.3 A


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 Mthk at 3.3 A within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca337 b:30.7 occ:1.00 OE2 A:GLU210 2.2 41.8 1.0 OE2 A:GLU212 2.3 49.2 1.0 OD2 A:ASP184 2.7 39.7 1.0 OD1 A:ASP184 2.9 43.5 1.0 CG A:ASP184 3.2 41.1 1.0 CD A:GLU212 3.2 57.3 1.0 CD A:GLU210 3.4 44.9 1.0 OE1 A:GLU212 3.5 63.0 1.0 OG A:SER126 3.7 56.9 1.0 OG A:SER124 3.9 54.2 1.0 OE1 A:GLU210 4.2 44.1 1.0 CB A:SER124 4.3 49.8 1.0 CG A:GLU210 4.4 42.0 1.0 CG A:GLU212 4.6 49.5 1.0 CB A:ASP184 4.7 35.9 1.0 CB A:SER126 4.8 46.7 1.0 O A:LEU185 4.9 48.2 1.0

Calcium binding site 2 out of 8 in the Crystal Structure of Mthk at 3.3 A


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 Mthk at 3.3 A within 5.0Å range: probe atom residue distance (Å) B Occ G:Ca337 b:37.3 occ:1.00 OE2 G:GLU210 2.1 35.7 1.0 OE2 G:GLU212 2.3 51.6 1.0 OD2 G:ASP184 2.6 35.5 1.0 OD1 G:ASP184 2.9 38.5 1.0 CG G:ASP184 3.1 34.6 1.0 CD G:GLU212 3.3 55.8 1.0 CD G:GLU210 3.3 40.5 1.0 OG G:SER126 3.6 51.6 1.0 OE1 G:GLU212 3.6 59.2 1.0 OG G:SER124 3.8 51.5 1.0 OE1 G:GLU210 4.1 42.1 1.0 CB G:SER124 4.2 49.0 1.0 CG G:GLU210 4.3 35.2 1.0 CB G:ASP184 4.7 30.4 1.0 CG G:GLU212 4.7 51.9 1.0 CB G:SER126 4.7 43.3 1.0 O G:LEU185 4.9 43.3 1.0

Calcium binding site 3 out of 8 in the Crystal Structure of Mthk at 3.3 A


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 Mthk at 3.3 A within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca337 b:34.1 occ:1.00 OE2 B:GLU210 2.0 41.2 1.0 OD2 B:ASP184 2.4 33.0 1.0 OE2 B:GLU212 2.5 53.1 1.0 OD1 B:ASP184 2.9 42.6 1.0 CG B:ASP184 3.0 39.3 1.0 CD B:GLU210 3.3 42.5 1.0 OG B:SER126 3.4 58.8 1.0 CD B:GLU212 3.5 59.9 1.0 OG B:SER124 3.6 53.4 1.0 OE1 B:GLU212 3.8 64.6 1.0 OE1 B:GLU210 4.0 38.1 1.0 CB B:SER124 4.1 51.0 1.0 CG B:GLU210 4.3 36.7 1.0 CB B:ASP184 4.5 32.0 1.0 CB B:SER126 4.6 47.0 1.0 CG B:GLU212 4.8 51.2 1.0 O B:LEU185 5.0 52.5 1.0

Calcium binding site 4 out of 8 in the Crystal Structure of Mthk at 3.3 A


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 Mthk at 3.3 A within 5.0Å range: probe atom residue distance (Å) B Occ F:Ca337 b:40.7 occ:1.00 OE2 F:GLU210 2.1 44.5 1.0 OE2 F:GLU212 2.5 51.4 1.0 OD2 F:ASP184 2.6 48.6 1.0 OD1 F:ASP184 3.0 45.1 1.0 CG F:ASP184 3.2 48.6 1.0 CD F:GLU210 3.3 45.6 1.0 CD F:GLU212 3.4 54.1 1.0 OG F:SER126 3.4 56.8 1.0 OE1 F:GLU212 3.6 54.2 1.0 OG F:SER124 3.8 47.1 1.0 OE1 F:GLU210 4.0 47.1 1.0 CB F:SER124 4.2 47.3 1.0 CG F:GLU210 4.3 39.7 1.0 CB F:SER126 4.6 49.5 1.0 CB F:ASP184 4.7 41.2 1.0 CG F:GLU212 4.8 48.7 1.0 CE2 B:PHE232 5.0 52.1 1.0 CZ B:PHE232 5.0 48.7 1.0

Calcium binding site 5 out of 8 in the Crystal Structure of Mthk at 3.3 A


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 5 of Crystal Structure of Mthk at 3.3 A within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca337 b:31.3 occ:1.00 OE2 C:GLU210 2.2 38.2 1.0 OE2 C:GLU212 2.2 52.6 1.0 OD2 C:ASP184 2.6 41.6 1.0 OD1 C:ASP184 2.8 43.5 1.0 CG C:ASP184 3.1 42.4 1.0 CD C:GLU212 3.2 60.0 1.0 CD C:GLU210 3.4 42.4 1.0 OE1 C:GLU212 3.5 64.2 1.0 OG C:SER126 3.7 54.1 1.0 OG C:SER124 3.9 53.9 1.0 OE1 C:GLU210 4.2 38.8 1.0 CB C:SER124 4.2 50.6 1.0 CG C:GLU210 4.4 40.9 1.0 CG C:GLU212 4.6 52.7 1.0 CB C:ASP184 4.6 36.9 1.0 O C:LEU185 4.8 48.3 1.0 CB C:SER126 4.9 44.6 1.0

Calcium binding site 6 out of 8 in the Crystal Structure of Mthk at 3.3 A


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 6 of Crystal Structure of Mthk at 3.3 A within 5.0Å range: probe atom residue distance (Å) B Occ E:Ca337 b:29.6 occ:1.00 OE2 E:GLU210 2.2 38.1 1.0 OE2 E:GLU212 2.3 48.0 1.0 OD2 E:ASP184 2.7 37.7 1.0 OD1 E:ASP184 3.0 42.7 1.0 CD E:GLU212 3.2 54.3 1.0 CG E:ASP184 3.2 35.4 1.0 CD E:GLU210 3.5 42.5 1.0 OE1 E:GLU212 3.5 57.8 1.0 OG E:SER126 3.7 52.9 1.0 OG E:SER124 3.9 54.0 1.0 OE1 E:GLU210 4.2 41.8 1.0 CB E:SER124 4.2 49.8 1.0 CG E:GLU210 4.4 36.7 1.0 CG E:GLU212 4.6 50.7 1.0 CB E:ASP184 4.8 29.0 1.0 CB E:SER126 4.8 44.2 1.0 O E:LEU185 4.9 41.3 1.0

Calcium binding site 7 out of 8 in the Crystal Structure of Mthk at 3.3 A


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 7 of Crystal Structure of Mthk at 3.3 A within 5.0Å range: probe atom residue distance (Å) B Occ D:Ca337 b:36.0 occ:1.00 OE2 D:GLU210 2.1 43.9 1.0 OE2 D:GLU212 2.6 54.1 1.0 OD2 D:ASP184 2.7 37.4 1.0 OD1 D:ASP184 3.2 43.9 1.0 CG D:ASP184 3.3 41.4 1.0 CD D:GLU210 3.3 44.1 1.0 OG D:SER126 3.4 61.4 1.0 CD D:GLU212 3.5 60.1 1.0 OE1 D:GLU212 3.7 63.5 1.0 OG D:SER124 3.7 50.7 1.0 OE1 D:GLU210 4.0 40.7 1.0 CB D:SER124 4.1 50.3 1.0 CG D:GLU210 4.4 39.8 1.0 CB D:SER126 4.6 49.9 1.0 CB D:ASP184 4.8 32.5 1.0 CE2 H:PHE232 4.9 49.5 1.0 CG D:GLU212 4.9 51.7 1.0 CZ H:PHE232 4.9 49.3 1.0

Calcium binding site 8 out of 8 in the Crystal Structure of Mthk at 3.3 A


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 8 of Crystal Structure of Mthk at 3.3 A within 5.0Å range: probe atom residue distance (Å) B Occ H:Ca337 b:37.4 occ:1.00 OE2 H:GLU210 2.1 41.8 1.0 OE2 H:GLU212 2.4 46.6 1.0 OD2 H:ASP184 2.7 44.5 1.0 OD1 H:ASP184 3.1 42.4 1.0 CG H:ASP184 3.3 44.7 1.0 CD H:GLU212 3.3 52.5 1.0 CD H:GLU210 3.3 40.8 1.0 OE1 H:GLU212 3.5 52.5 1.0 OG H:SER126 3.6 58.8 1.0 OG H:SER124 3.9 48.7 1.0 OE1 H:GLU210 4.1 39.2 1.0 CB H:SER124 4.3 48.5 1.0 CG H:GLU210 4.4 35.1 1.0 CG H:GLU212 4.7 47.8 1.0 CB H:SER126 4.7 52.5 1.0 CB H:ASP184 4.8 39.3 1.0 CE2 D:PHE232 4.9 49.8 1.0 CZ D:PHE232 5.0 45.8 1.0

Y.Jiang, A.Lee, J.Chen, M.Cadene, B.T.Chait, R.Mackinnon. Crystal Structure and Mechanism of A Calcium-Gated Potassium Channel Nature V. 417 515 2002.
ISSN: ISSN 0028-0836
PubMed: 12037559
DOI: 10.1038/417515A