Potassium in PDB 7kgu: Structure of 2Q1-Fab, An Antibody Selective For IDH2R140Q-Hla-B*07:02

The structure of Structure of 2Q1-Fab, An Antibody Selective For IDH2R140Q-Hla-B*07:02, PDB code: 7kgu was solved by M.S.Miller, T.Y.Aytenfisu, K.M.Wright, S.B.Gabelli, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	45.53 / 2.40
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	38.462, 263.955, 91.237, 90, 99.53, 90
R / Rfree (%)	20.8 / 26.9

The structure of Structure of 2Q1-Fab, An Antibody Selective For IDH2R140Q-Hla-B*07:02 also contains other interesting chemical elements:

Chlorine

(Cl)

2 atoms

The binding sites of Potassium atom in the Structure of 2Q1-Fab, An Antibody Selective For IDH2R140Q-Hla-B*07:02 (pdb code 7kgu). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the Structure of 2Q1-Fab, An Antibody Selective For IDH2R140Q-Hla-B*07:02, PDB code: 7kgu:

Potassium binding site 1 out of 1 in the Structure of 2Q1-Fab, An Antibody Selective For IDH2R140Q-Hla-B*07:02


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of 2Q1-Fab, An Antibody Selective For IDH2R140Q-Hla-B*07:02 within 5.0Å range: probe atom residue distance (Å) B Occ H:K407 b:52.9 occ:1.00 O B:HOH610 2.7 36.5 1.0 O H:VAL5 2.8 19.4 1.0 O H:HOH586 2.9 15.7 1.0 OG H:SER7 3.1 20.2 1.0 CB H:ALA23 3.7 17.8 1.0 CB H:SER7 3.7 20.7 1.0 C H:VAL5 3.8 20.1 1.0 N H:SER7 3.9 20.2 1.0 N H:ALA23 3.9 17.5 1.0 O H:SER21 4.0 16.3 1.0 C H:GLU6 4.0 19.5 1.0 C H:SER21 4.1 17.5 1.0 CB H:SER21 4.1 18.0 1.0 O4 B:SO4505 4.3 62.6 1.0 O H:GLU6 4.3 19.9 1.0 CA H:SER7 4.4 20.7 1.0 CG1 H:VAL5 4.4 21.0 1.0 CA H:ALA23 4.4 17.7 1.0 N H:CYS22 4.4 18.2 1.0 CA H:GLU6 4.5 19.6 1.0 CB H:VAL5 4.5 21.1 1.0 N H:GLU6 4.5 19.7 1.0 O B:HOH659 4.5 27.2 1.0 C H:CYS22 4.6 18.3 1.0 CA H:CYS22 4.6 18.7 1.0 CA H:SER21 4.7 17.6 1.0 CA H:VAL5 4.7 20.6 1.0 O H:HOH530 4.9 8.9 1.0

M.S.Miller, M.Huang, T.Y.Aytenfisu, S.B.Gabelli. Structural Engineering of Chimeric Antigen Receptors Targeting Hla-Restricted Neoantigens To Be Published.