Calcium in PDB 7p56: Variant Surface Glycoprotein 2 (VSG2, MITAT1.2, VSG221) Bound to Calcium

The structure of Variant Surface Glycoprotein 2 (VSG2, MITAT1.2, VSG221) Bound to Calcium, PDB code: 7p56 was solved by A.Gkeka, F.Aresta-Branco, C.E.Stebbins, F.N.Papavasiliou, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	61.81 / 1.74
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	42.915, 87.585, 88.121, 90, 98.14, 90
R / Rfree (%)	18.9 / 22.1

The binding sites of Calcium atom in the Variant Surface Glycoprotein 2 (VSG2, MITAT1.2, VSG221) Bound to Calcium (pdb code 7p56). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Variant Surface Glycoprotein 2 (VSG2, MITAT1.2, VSG221) Bound to Calcium, PDB code: 7p56:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Variant Surface Glycoprotein 2 (VSG2, MITAT1.2, VSG221) Bound to Calcium


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Variant Surface Glycoprotein 2 (VSG2, MITAT1.2, VSG221) Bound to Calcium within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca501 b:30.0 occ:1.00 O A:GLY155 2.3 33.0 1.0 OD1 A:ASP210 2.4 36.4 1.0 OD2 A:ASP208 2.4 28.3 1.0 OD1 A:ASN209 2.5 35.9 1.0 O A:HOH707 2.6 41.9 1.0 OD1 A:ASP208 2.6 29.2 1.0 O A:HOH643 2.7 33.2 1.0 CG A:ASP208 2.9 28.1 1.0 C A:GLY155 3.4 32.9 1.0 CG A:ASP210 3.5 36.6 1.0 CG A:ASN209 3.6 36.5 1.0 OD2 A:ASP210 3.9 37.2 1.0 N A:ASP210 4.1 34.8 1.0 CA A:GLY155 4.1 32.5 1.0 ND2 A:ASN209 4.2 37.4 1.0 N A:ASN209 4.3 34.7 1.0 CB A:ASP208 4.4 27.5 1.0 N A:THR156 4.4 32.3 1.0 N A:ALA211 4.5 29.0 1.0 CA A:THR156 4.6 32.0 1.0 CB A:ASP210 4.7 36.0 1.0 O A:HOH744 4.7 40.6 1.0 CA A:ASP210 4.8 34.9 1.0 O A:SER154 4.8 33.5 1.0 CB A:ASN209 4.8 35.5 1.0 CE A:MET151 4.8 23.8 1.0 CA A:ASN209 4.9 34.8 1.0 C A:ASN209 5.0 35.2 1.0

Calcium binding site 2 out of 2 in the Variant Surface Glycoprotein 2 (VSG2, MITAT1.2, VSG221) Bound to Calcium


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Variant Surface Glycoprotein 2 (VSG2, MITAT1.2, VSG221) Bound to Calcium within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca1001 b:28.1 occ:1.00 O B:GLY155 2.3 27.9 1.0 OD2 B:ASP208 2.4 26.9 1.0 O B:HOH1195 2.4 30.1 1.0 OD1 B:ASP210 2.5 35.7 1.0 OD1 B:ASN209 2.5 30.9 1.0 O B:HOH1180 2.5 29.5 1.0 OD1 B:ASP208 2.6 27.2 1.0 O B:HOH1193 2.7 30.2 1.0 CG B:ASP208 2.8 26.7 1.0 C B:GLY155 3.4 26.9 1.0 CG B:ASP210 3.5 35.7 1.0 CG B:ASN209 3.6 32.4 1.0 OD2 B:ASP210 3.8 36.8 1.0 CA B:GLY155 4.1 26.4 1.0 ND2 B:ASN209 4.2 35.5 1.0 N B:ASP210 4.2 35.2 1.0 CB B:ASP208 4.4 25.9 1.0 N B:ASN209 4.4 29.1 1.0 O B:HOH1182 4.4 59.3 1.0 N B:THR156 4.4 29.2 1.0 O B:HOH1188 4.5 45.5 1.0 CA B:THR156 4.6 29.9 1.0 O B:SER154 4.6 29.6 1.0 N B:ALA211 4.6 30.3 1.0 CB B:ASP210 4.7 34.7 1.0 CB B:ASN209 4.9 32.0 1.0 CA B:ASP210 4.9 34.5 1.0 CE B:MET151 4.9 23.5 1.0 CA B:ASN209 5.0 30.1 1.0 C B:ASN209 5.0 30.0 1.0

A.Gkeka, F.Aresta-Branco, G.Triller, E.P.Vlachou, M.Lilic, P.D.B.Olinares, K.Perez, B.T.Chait, R.Blatnik, T.Ruppert, C.E.Stebbins, F.N.Papavasiliou. Immunodominant Surface Epitopes Power Immune Evasion in the African Trypanosome. To Be Published.