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Potassium in PDB 1rb6: Antiparallel Trimer of GCN4-Leucine Zipper Core Mutant As N16A Tetragonal Form

Protein crystallography data

The structure of Antiparallel Trimer of GCN4-Leucine Zipper Core Mutant As N16A Tetragonal Form, PDB code: 1rb6 was solved by J.Holton, T.Alber, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 15.00 / 1.90
Space group P 43 21 2
Cell size a, b, c (Å), α, β, γ (°) 64.947, 64.947, 78.012, 90.00, 90.00, 90.00
R / Rfree (%) 22.3 / 24.1

Other elements in 1rb6:

The structure of Antiparallel Trimer of GCN4-Leucine Zipper Core Mutant As N16A Tetragonal Form also contains other interesting chemical elements:

Chlorine (Cl) 9 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the Antiparallel Trimer of GCN4-Leucine Zipper Core Mutant As N16A Tetragonal Form (pdb code 1rb6). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Antiparallel Trimer of GCN4-Leucine Zipper Core Mutant As N16A Tetragonal Form, PDB code: 1rb6:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in 1rb6

Go back to Potassium Binding Sites List in 1rb6
Potassium binding site 1 out of 2 in the Antiparallel Trimer of GCN4-Leucine Zipper Core Mutant As N16A Tetragonal Form


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Antiparallel Trimer of GCN4-Leucine Zipper Core Mutant As N16A Tetragonal Form within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K802

b:29.4
occ:1.00
OE2 B:GLU10 3.3 30.2 1.0
CE A:LYS8 3.5 23.3 0.5
CE A:LYS8 3.7 21.8 0.5
O B:HOH951 3.7 48.9 1.0
NZ A:LYS8 4.0 24.1 0.5
CD B:GLU10 4.2 23.5 1.0
CG B:GLU10 4.3 18.9 1.0
CD A:LYS8 4.6 23.1 1.0
NZ A:LYS8 4.7 21.1 0.5
O B:HOH904 4.8 25.0 0.5
O B:HOH904 5.0 0.6 0.5

Potassium binding site 2 out of 2 in 1rb6

Go back to Potassium Binding Sites List in 1rb6
Potassium binding site 2 out of 2 in the Antiparallel Trimer of GCN4-Leucine Zipper Core Mutant As N16A Tetragonal Form


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Antiparallel Trimer of GCN4-Leucine Zipper Core Mutant As N16A Tetragonal Form within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K801

b:31.0
occ:1.00
OE1 C:GLU22 2.5 29.5 0.5
O B:HOH922 2.8 38.0 1.0
OE2 C:GLU22 3.0 28.0 0.5
CD C:GLU22 3.1 27.3 0.5
O C:HOH908 3.3 22.3 1.0
CG B:LYS8 3.8 18.7 1.0
CD2 C:HIS18 3.9 26.4 1.0
CD1 C:LEU19 4.0 17.2 1.0
CD2 B:LEU5 4.0 19.6 1.0
CA C:LEU19 4.2 15.3 1.0
NE2 C:HIS18 4.4 27.2 1.0
CE B:LYS8 4.4 20.1 1.0
CB C:LEU19 4.4 16.7 1.0
CB B:LYS8 4.4 14.7 1.0
CG C:GLU22 4.5 25.2 1.0
CD B:LYS8 4.5 16.3 1.0
N C:LEU19 4.5 19.2 1.0
O C:HOH921 4.6 44.1 1.0
CB C:GLU22 4.7 20.3 1.0
CG C:LEU19 4.8 17.0 1.0
CG C:HIS18 4.8 22.8 1.0
CL B:CL805 4.9 40.6 1.0

Reference:

J.Holton, T.Alber. Automated Protein Crystal Structure Determination Using Elves. Proc.Natl.Acad.Sci.Usa V. 101 1537 2004.
ISSN: ISSN 0027-8424
PubMed: 14752198
DOI: 10.1073/PNAS.0306241101
Page generated: Sat Aug 9 02:31:39 2025

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