Calcium in PDB 2ipm: Crystal Structure of A Disulfide Mutant Glucose Binding Protein

The structure of Crystal Structure of A Disulfide Mutant Glucose Binding Protein, PDB code: 2ipm was solved by M.J.Cuneo, H.W.Hellinga, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	31.43 / 1.12
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	61.190, 36.600, 64.820, 90.00, 106.81, 90.00
R / Rfree (%)	15.8 / 17.9

The binding sites of Calcium atom in the Crystal Structure of A Disulfide Mutant Glucose Binding Protein (pdb code 2ipm). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Crystal Structure of A Disulfide Mutant Glucose Binding Protein, PDB code: 2ipm:

Calcium binding site 1 out of 1 in the Crystal Structure of A Disulfide Mutant Glucose Binding Protein


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 A Disulfide Mutant Glucose Binding Protein within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca502 b:7.5 occ:1.00 OE1 A:GLN142 2.3 8.5 1.0 OD1 A:ASP134 2.3 8.6 1.0 O A:GLN140 2.3 7.7 1.0 OD1 A:ASN136 2.4 9.9 1.0 OD1 A:ASP138 2.4 9.4 1.0 OE2 A:GLU205 2.5 7.8 1.0 OE1 A:GLU205 2.5 7.2 1.0 CD A:GLU205 2.8 6.0 1.0 CG A:ASP138 3.4 10.3 1.0 CG A:ASN136 3.4 10.5 1.0 CD A:GLN142 3.5 8.3 1.0 C A:GLN140 3.5 8.3 1.0 CG A:ASP134 3.5 8.9 1.0 OD2 A:ASP138 3.8 10.6 1.0 ND2 A:ASN136 4.0 12.4 1.0 N A:GLN140 4.1 9.6 1.0 NE2 A:GLN142 4.1 9.3 1.0 N A:GLN142 4.2 6.2 1.0 N A:ASP138 4.2 11.9 1.0 CA A:GLN140 4.3 9.3 0.5 CA A:GLN140 4.3 9.2 0.5 OD2 A:ASP134 4.3 10.8 1.0 CG A:GLU205 4.3 6.0 1.0 CA A:ASP134 4.3 7.7 1.0 N A:ASN136 4.4 9.9 1.0 CH2 A:TRP127 4.4 7.7 1.0 O A:HOH575 4.4 9.7 1.0 CB A:ASP134 4.5 7.8 1.0 N A:ILE141 4.5 6.8 1.0 CB A:ASP138 4.5 11.4 1.0 C A:ASP134 4.6 8.1 1.0 CB A:GLN140 4.6 9.7 0.5 CB A:GLN140 4.6 9.7 0.5 CA A:ILE141 4.6 6.2 1.0 CB A:ASN136 4.7 10.7 1.0 N A:LEU135 4.7 8.3 1.0 CG A:GLN142 4.7 7.4 1.0 N A:LYS137 4.7 12.0 1.0 N A:GLY139 4.7 11.0 1.0 CA A:ASP138 4.8 11.6 1.0 CB A:GLN142 4.8 7.0 1.0 C A:ILE141 4.8 6.3 1.0 CA A:ASN136 4.8 10.8 1.0 C A:ASN136 4.9 11.7 1.0 CZ2 A:TRP127 5.0 8.0 1.0 C A:ASP138 5.0 11.4 1.0

M.J.Cuneo, H.W.Hellinga. The Free Energy Cost of Domain Reorganization in E. Coli Glucose Binding Protein To Be Published.