Calcium in PDB 4ltp: Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2

The structure of Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2, PDB code: 4ltp was solved by D.Shaya, F.Findeisen, F.Abderemane-Ali, C.Arrigoni, S.Wong, S.Reddy Nurva, G.Loussouarn, D.L.Minor, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 3.80
Space group	I 2 2 2
Cell size a, b, c (Å), α, β, γ (°)	147.265, 161.499, 161.690, 90.00, 90.00, 90.00
R / Rfree (%)	22.5 / 27.3

The binding sites of Calcium atom in the Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2 (pdb code 4ltp). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 7 binding sites of Calcium where determined in the Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2, PDB code: 4ltp:
Jump to Calcium binding site number: 1; 2; 3; 4; 5; 6; 7;

Calcium binding site 1 out of 7 in the Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca301 b:0.9 occ:1.00 O A:HOH401 2.7 0.0 1.0 O D:HOH401 2.7 79.1 1.0 O C:HOH401 2.7 87.2 1.0 O B:HOH401 2.8 73.7 1.0 OG C:SER198 3.2 0.5 1.0 OG D:SER198 3.2 1.0 1.0 OG B:SER198 3.4 0.9 1.0 OG A:SER198 3.5 0.3 1.0 CB C:SER198 4.6 0.6 1.0 CB D:SER198 4.7 0.3 1.0 CB B:SER198 4.8 0.9 1.0 CB A:SER198 4.9 0.4 1.0

Calcium binding site 2 out of 7 in the Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2 within 5.0Å range:

Calcium binding site 3 out of 7 in the Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca303 b:0.1 occ:1.00 OE1 A:GLU209 2.0 0.3 1.0 CD A:GLU209 2.7 0.6 1.0 OE2 A:GLU209 2.7 0.9 1.0 CG A:GLU209 4.2 0.1 1.0 CB A:GLU209 4.9 0.2 1.0

Calcium binding site 4 out of 7 in the Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 4 of Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca304 b:0.3 occ:1.00 OE2 A:GLU178 3.0 0.6 1.0 CG B:GLU209 3.9 0.3 1.0 OE2 B:GLU209 3.9 0.2 1.0 CD B:GLU209 4.1 0.0 1.0 CD A:GLU178 4.2 0.7 1.0 OE1 A:GLU178 4.9 0.3 1.0 CB B:GLU209 4.9 0.4 1.0 OE1 B:GLU209 4.9 0.4 1.0

Calcium binding site 5 out of 7 in the Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 5 of Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2 within 5.0Å range:

Calcium binding site 6 out of 7 in the Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 6 of Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2 within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca301 b:0.9 occ:1.00 OE2 B:GLU178 2.1 0.8 1.0 OE1 C:GLU209 2.3 0.9 1.0 OE2 C:GLU209 2.5 0.3 1.0 CD C:GLU209 2.6 0.9 1.0 CD B:GLU178 3.2 0.1 1.0 OE1 B:GLU178 3.6 0.4 1.0 CG C:GLU209 3.9 0.9 1.0 CG B:GLU178 4.5 0.1 1.0 CB B:GLU178 4.8 0.5 1.0

Calcium binding site 7 out of 7 in the Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 7 of Bacterial Sodium Channel in High Calcium, I222 Space Group, Crystal 2 within 5.0Å range:

D.Shaya, F.Findeisen, F.Abderemane-Ali, C.Arrigoni, S.Wong, S.R.Nurva, G.Loussouarn, D.L.Minor. Structure of A Prokaryotic Sodium Channel Pore Reveals Essential Gating Elements and An Outer Ion Binding Site Common to Eukaryotic Channels. J.Mol.Biol. V. 426 467 2014.
ISSN: ISSN 0022-2836
PubMed: 24120938
DOI: 10.1016/J.JMB.2013.10.010