Calcium in PDB 1gcg: The 1.9 Angstroms X-Ray Structure of A Closed Unliganded Form of the Periplasmic Glucose(Slash)Galactose Receptor From Salmonella Typhimurium

The structure of The 1.9 Angstroms X-Ray Structure of A Closed Unliganded Form of the Periplasmic Glucose(Slash)Galactose Receptor From Salmonella Typhimurium, PDB code: 1gcg was solved by M.M.Flocco, S.L.Mowbray, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	7.50 / 1.90
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	120.140, 37.020, 80.630, 90.00, 123.90, 90.00
R / Rfree (%)	17.9 / n/a

The binding sites of Calcium atom in the The 1.9 Angstroms X-Ray Structure of A Closed Unliganded Form of the Periplasmic Glucose(Slash)Galactose Receptor From Salmonella Typhimurium (pdb code 1gcg). 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 The 1.9 Angstroms X-Ray Structure of A Closed Unliganded Form of the Periplasmic Glucose(Slash)Galactose Receptor From Salmonella Typhimurium, PDB code: 1gcg:

Calcium binding site 1 out of 1 in the The 1.9 Angstroms X-Ray Structure of A Closed Unliganded Form of the Periplasmic Glucose(Slash)Galactose Receptor From Salmonella Typhimurium


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of The 1.9 Angstroms X-Ray Structure of A Closed Unliganded Form of the Periplasmic Glucose(Slash)Galactose Receptor From Salmonella Typhimurium within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca310 b:14.0 occ:1.00 OE1 A:GLN142 2.4 15.8 1.0 O A:LYS140 2.4 14.6 1.0 OD1 A:ASN136 2.4 14.2 1.0 OD1 A:ASP138 2.5 18.3 1.0 OD1 A:ASP134 2.5 13.6 1.0 OE2 A:GLU205 2.6 16.5 1.0 OE1 A:GLU205 2.6 13.5 1.0 CD A:GLU205 2.9 15.2 1.0 H A:ASP138 3.4 0.0 1.0 H A:LYS140 3.4 0.0 1.0 CG A:ASP138 3.5 18.9 1.0 CG A:ASN136 3.5 16.2 1.0 H A:ASN136 3.6 0.0 1.0 CD A:GLN142 3.6 14.0 1.0 C A:LYS140 3.6 17.2 1.0 CG A:ASP134 3.7 14.8 1.0 H A:GLN142 3.7 0.0 1.0 H2 A:HOH368 3.8 0.0 1.0 HD21 A:ASN136 3.8 0.0 1.0 HE21 A:GLN142 4.0 0.0 1.0 OD2 A:ASP138 4.0 18.5 1.0 N A:LYS140 4.1 16.9 1.0 ND2 A:ASN136 4.1 17.9 1.0 H A:GLY139 4.2 0.0 1.0 NE2 A:GLN142 4.2 15.6 1.0 N A:ASP138 4.2 18.7 1.0 N A:GLN142 4.4 10.6 1.0 CA A:LYS140 4.4 17.2 1.0 OD2 A:ASP134 4.4 19.6 1.0 CG A:GLU205 4.4 14.9 1.0 N A:ASN136 4.4 16.4 1.0 CA A:ASP134 4.4 15.6 1.0 H A:LYS137 4.5 0.0 1.0 CH2 A:TRP127 4.5 17.8 1.0 H A:LEU135 4.5 0.0 1.0 O A:HOH368 4.6 22.7 1.0 CB A:ASP134 4.6 15.4 1.0 N A:ILE141 4.6 15.9 1.0 CB A:ASP138 4.6 19.9 1.0 N A:GLY139 4.6 15.8 1.0 CB A:ASN136 4.6 15.1 1.0 N A:LYS137 4.7 19.1 1.0 CB A:LYS140 4.7 16.8 1.0 C A:ASP134 4.7 17.1 1.0 CA A:ILE141 4.7 13.9 1.0 N A:LEU135 4.8 17.5 1.0 CG A:GLN142 4.8 12.3 1.0 CA A:ASP138 4.8 17.6 1.0 C A:ILE141 4.9 13.2 1.0 H1 A:HOH368 4.9 0.0 1.0 CZ2 A:TRP127 4.9 19.2 1.0 CB A:GLN142 4.9 9.7 1.0 C A:ASN136 4.9 18.8 1.0 CA A:ASN136 4.9 17.2 1.0 C A:ASP138 4.9 16.6 1.0

M.M.Flocco, S.L.Mowbray. The 1.9 A X-Ray Structure of A Closed Unliganded Form of the Periplasmic Glucose/Galactose Receptor From Salmonella Typhimurium. J.Biol.Chem. V. 269 8931 1994.
ISSN: ISSN 0021-9258
PubMed: 8132630