Potassium in PDB 6x1j: The Homing Endonuclease I-Wcai Bound to Its Dna Recognition Sequence

The structure of The Homing Endonuclease I-Wcai Bound to Its Dna Recognition Sequence, PDB code: 6x1j was solved by R.Nawimanage, J.R.Lohman, F.S.Gimble, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.88 / 1.95
Space group	P 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	67.601, 37.281, 94.064, 90, 100.44, 90
R / Rfree (%)	22.7 / 26.1

The binding sites of Potassium atom in the The Homing Endonuclease I-Wcai Bound to Its Dna Recognition Sequence (pdb code 6x1j). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the The Homing Endonuclease I-Wcai Bound to Its Dna Recognition Sequence, PDB code: 6x1j:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in the The Homing Endonuclease I-Wcai Bound to Its Dna Recognition Sequence


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of The Homing Endonuclease I-Wcai Bound to Its Dna Recognition Sequence within 5.0Å range: probe atom residue distance (Å) B Occ A:K301 b:38.5 occ:1.00 O A:ASP147 2.3 27.2 1.0 O C:HOH213 2.6 38.0 1.0 OP1 C:DA14 2.6 28.7 1.0 OP1 D:DC17 2.7 42.5 1.0 O5' D:DC17 2.9 30.8 1.0 OD1 A:ASP47 2.9 25.4 1.0 OD2 A:ASP47 3.0 24.1 1.0 O D:HOH215 3.3 51.0 1.0 CG A:ASP47 3.3 26.6 1.0 P D:DC17 3.4 39.6 1.0 C A:ASP147 3.4 30.1 1.0 O A:HOH465 3.4 31.5 1.0 OD1 A:ASP148 3.8 33.2 1.0 P C:DA14 3.9 32.0 1.0 C5' D:DC17 4.1 31.8 1.0 C4' C:DA14 4.2 27.4 1.0 O3' C:DA13 4.2 32.5 1.0 CA A:ASP147 4.2 25.7 1.0 C5' C:DA14 4.2 30.5 1.0 N A:ASP148 4.3 30.1 1.0 OP2 D:DC17 4.5 38.7 1.0 CA A:ASP148 4.5 29.4 1.0 O3' D:DT16 4.5 33.0 1.0 O5' C:DA14 4.5 32.7 1.0 C4' D:DC17 4.6 33.3 1.0 O3' C:DA14 4.6 30.1 1.0 OP2 C:DC15 4.8 32.0 1.0 NZ A:LYS226 4.8 37.6 1.0 C3' C:DA14 4.8 26.8 1.0 CB A:ASP47 4.8 26.6 1.0 CG A:ASP148 4.9 27.2 1.0 O A:MET146 5.0 23.8 1.0 CB A:ASP147 5.0 25.3 1.0

Potassium binding site 2 out of 4 in the The Homing Endonuclease I-Wcai Bound to Its Dna Recognition Sequence


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of The Homing Endonuclease I-Wcai Bound to Its Dna Recognition Sequence within 5.0Å range: probe atom residue distance (Å) B Occ A:K302 b:39.9 occ:1.00 O A:GLY46 2.7 28.1 1.0 OD2 A:ASP148 2.8 28.4 1.0 O A:HOH456 2.9 37.7 1.0 OP2 C:DC15 2.9 32.0 1.0 O D:HOH203 3.0 31.8 1.0 O A:HOH484 3.2 32.9 1.0 O A:LEU45 3.2 28.2 1.0 C A:GLY46 3.6 27.2 1.0 CG A:ASP148 3.7 27.2 1.0 P C:DC15 3.9 30.3 1.0 OD1 A:ASP148 3.9 33.2 1.0 O A:HOH447 4.0 18.3 1.0 CA A:GLY46 4.1 28.0 1.0 O5' C:DC15 4.1 32.9 1.0 C A:LEU45 4.2 25.6 1.0 OP1 C:DC15 4.3 32.6 1.0 C5' C:DC15 4.3 31.5 1.0 OP2 D:DT16 4.3 45.8 1.0 N A:GLY46 4.5 27.5 1.0 NZ A:LYS125 4.5 36.3 1.0 N A:ASP47 4.7 25.2 1.0 O A:HIS166 4.8 30.2 1.0 OP2 D:DC17 4.9 38.7 1.0 O A:ILE44 5.0 25.7 1.0

Potassium binding site 3 out of 4 in the The Homing Endonuclease I-Wcai Bound to Its Dna Recognition Sequence


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of The Homing Endonuclease I-Wcai Bound to Its Dna Recognition Sequence within 5.0Å range: probe atom residue distance (Å) B Occ C:K101 b:32.3 occ:1.00 O2 C:DT12 2.6 25.9 1.0 O2 D:DT16 2.6 38.3 1.0 O D:HOH222 2.6 39.9 1.0 O C:HOH218 2.8 28.3 1.0 O D:HOH207 3.0 12.6 0.5 O4' C:DA13 3.1 32.9 1.0 N3 C:DA13 3.7 33.1 1.0 C4' C:DA13 3.8 32.8 1.0 C2 D:DT16 3.8 41.5 1.0 C2 C:DT12 3.8 31.8 1.0 O D:HOH215 3.9 51.0 1.0 C1' C:DA13 4.1 31.1 1.0 C1' D:DT16 4.3 35.5 1.0 O D:HOH207 4.3 15.3 0.5 C4 C:DA13 4.3 30.4 1.0 C2 C:DA13 4.3 33.1 1.0 C5' C:DA13 4.4 32.3 1.0 C1' C:DT12 4.4 31.4 1.0 C2 D:DA15 4.5 42.2 1.0 C2 C:DA11 4.5 42.1 1.0 N9 C:DA13 4.6 30.4 1.0 N1 D:DT16 4.6 37.7 1.0 N1 C:DT12 4.6 32.9 1.0 C2' C:DT12 4.7 33.8 1.0 N3 C:DT12 4.8 33.0 1.0 N3 D:DT16 4.8 43.3 1.0 O2 D:DC17 4.9 30.7 1.0 O4' D:DT16 4.9 32.1 1.0

Potassium binding site 4 out of 4 in the The Homing Endonuclease I-Wcai Bound to Its Dna Recognition Sequence


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of The Homing Endonuclease I-Wcai Bound to Its Dna Recognition Sequence within 5.0Å range: probe atom residue distance (Å) B Occ D:K101 b:44.9 occ:1.00 O D:HOH212 2.6 36.7 1.0 O C:HOH214 2.7 34.7 1.0 OP1 C:DC15 2.7 32.6 1.0 OP1 D:DT16 2.9 41.8 1.0 O4' D:DT16 3.1 32.1 1.0 N3 D:DA15 3.1 41.9 1.0 O C:HOH218 3.1 28.3 1.0 O D:HOH219 3.3 46.0 1.0 C4' D:DT16 3.7 36.0 1.0 C2 D:DA15 3.7 42.2 1.0 O4' D:DA15 3.9 35.9 1.0 P C:DC15 3.9 30.3 1.0 O3' C:DA14 4.0 30.1 1.0 C1' D:DA15 4.2 40.0 1.0 P D:DT16 4.2 36.5 1.0 C4 D:DA15 4.2 41.4 1.0 O2 D:DT14 4.3 45.5 1.0 C1' D:DT16 4.3 35.5 1.0 O5' C:DC15 4.4 32.9 1.0 N3 C:DA14 4.5 36.3 1.0 C5' D:DT16 4.5 41.2 1.0 C1' C:DA14 4.6 26.5 1.0 O5' D:DT16 4.7 47.9 1.0 N9 D:DA15 4.7 41.2 1.0 C2 C:DA13 4.7 33.1 1.0 N1 D:DT16 4.9 37.7 1.0 O3' D:DT16 4.9 33.0 1.0 C3' D:DT16 4.9 35.8 1.0 C4' D:DA15 4.9 37.2 1.0 N3 C:DA13 4.9 33.1 1.0 OP2 D:DT16 4.9 45.8 1.0

R.Nawimanage, Z.Yuan, M.Schultz, R.Joshi, J.R.Lohman, F.S.Gimble. The Homing Endonuclease I-Wcai Bound to Its Dna Recognition Sequence To Be Published.