Potassium in PDB 6ys9: T_926 Truncate of Chlh From Thermosynechococcus Elongatus at 1.64 A Resolution

The structure of T_926 Truncate of Chlh From Thermosynechococcus Elongatus at 1.64 A Resolution, PDB code: 6ys9 was solved by C.Bisson, C.N.Hunter, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	64.38 / 1.64
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	76.480, 140.330, 78.010, 90.00, 108.66, 90.00
R / Rfree (%)	20.1 / 24.7

The binding sites of Potassium atom in the T_926 Truncate of Chlh From Thermosynechococcus Elongatus at 1.64 A Resolution (pdb code 6ys9). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the T_926 Truncate of Chlh From Thermosynechococcus Elongatus at 1.64 A Resolution, PDB code: 6ys9:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in the T_926 Truncate of Chlh From Thermosynechococcus Elongatus at 1.64 A Resolution


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of T_926 Truncate of Chlh From Thermosynechococcus Elongatus at 1.64 A Resolution within 5.0Å range: probe atom residue distance (Å) B Occ A:K501 b:35.4 occ:1.00 O A:HOH680 2.8 31.0 1.0 N A:GLY111 3.3 19.7 1.0 N A:ALA174 3.3 15.7 1.0 O A:HOH675 3.5 23.4 1.0 NZ A:LYS200 3.5 16.6 1.0 CA A:SER110 3.7 11.9 1.0 CB A:SER110 3.8 14.4 1.0 CA A:ALA174 3.8 20.7 1.0 OD1 A:ASN168 3.8 26.2 1.0 C A:SER110 4.0 15.5 1.0 C A:TYR173 4.3 18.7 1.0 CA A:GLY111 4.3 23.0 1.0 CA A:TYR173 4.3 24.1 1.0 CB A:TYR173 4.6 24.5 1.0 CZ3 A:TRP56 4.6 18.4 1.0 CB A:ALA174 4.6 29.2 1.0 OG A:SER110 4.7 23.7 1.0 CE A:LYS200 4.7 17.8 1.0 CG A:ASN168 4.9 31.0 1.0 CD1 A:TYR173 4.9 25.4 1.0 C A:ALA174 5.0 23.9 1.0

Potassium binding site 2 out of 4 in the T_926 Truncate of Chlh From Thermosynechococcus Elongatus at 1.64 A Resolution


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of T_926 Truncate of Chlh From Thermosynechococcus Elongatus at 1.64 A Resolution within 5.0Å range: probe atom residue distance (Å) B Occ B:K501 b:25.7 occ:1.00 O B:HOH754 2.9 26.0 1.0 O B:HOH770 3.1 25.4 1.0 N B:ALA174 3.2 17.0 1.0 N B:GLY111 3.3 20.2 1.0 NZ B:LYS200 3.3 14.0 1.0 O B:HOH702 3.5 23.8 1.0 CA B:ALA174 3.8 10.7 1.0 OD1 B:ASN168 3.8 18.0 1.0 CA B:SER110 3.8 20.3 1.0 CB B:SER110 3.9 18.5 1.0 C B:SER110 4.1 16.4 1.0 C B:TYR173 4.1 27.2 1.0 CA B:TYR173 4.2 19.9 1.0 CA B:GLY111 4.3 12.9 1.0 O B:HOH608 4.4 22.8 1.0 CB B:TYR173 4.5 13.4 1.0 CE B:LYS200 4.5 23.0 1.0 CZ3 B:TRP56 4.7 14.4 1.0 CB B:ALA174 4.8 15.1 1.0 CG B:ASN168 4.8 15.5 1.0 C B:ALA174 4.9 21.2 1.0 OG B:SER110 4.9 17.0 1.0 CD1 B:TYR173 4.9 22.8 1.0

Potassium binding site 3 out of 4 in the T_926 Truncate of Chlh From Thermosynechococcus Elongatus at 1.64 A Resolution


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of T_926 Truncate of Chlh From Thermosynechococcus Elongatus at 1.64 A Resolution within 5.0Å range: probe atom residue distance (Å) B Occ C:K501 b:27.7 occ:1.00 O C:HOH688 2.9 26.9 1.0 N C:GLY111 3.1 20.0 1.0 N C:ALA174 3.2 14.6 1.0 O C:HOH660 3.5 23.3 1.0 NZ C:LYS200 3.7 12.9 1.0 OD1 C:ASN168 3.8 16.8 1.0 CA C:SER110 3.8 11.9 1.0 CA C:ALA174 3.9 21.9 1.0 CB C:SER110 3.9 20.0 1.0 C C:SER110 4.0 14.2 1.0 CA C:GLY111 4.0 25.5 1.0 C C:TYR173 4.1 16.9 1.0 CA C:TYR173 4.1 10.9 1.0 O C:HOH605 4.4 21.5 1.0 CB C:TYR173 4.5 20.9 1.0 CG C:ASN168 4.7 16.6 1.0 CE C:LYS200 4.7 16.3 1.0 CZ3 C:TRP56 4.8 16.4 1.0 OG C:SER110 4.8 18.2 1.0 CB C:ALA174 4.8 24.1 1.0 CD2 C:TYR173 4.9 17.7 1.0 C C:ALA174 4.9 16.9 1.0

Potassium binding site 4 out of 4 in the T_926 Truncate of Chlh From Thermosynechococcus Elongatus at 1.64 A Resolution


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of T_926 Truncate of Chlh From Thermosynechococcus Elongatus at 1.64 A Resolution within 5.0Å range: probe atom residue distance (Å) B Occ D:K501 b:23.3 occ:1.00 O D:HOH724 3.0 16.3 1.0 N D:ALA174 3.1 14.0 1.0 O D:HOH752 3.1 26.5 1.0 N D:GLY111 3.2 12.8 1.0 O D:HOH659 3.3 22.1 1.0 NZ D:LYS200 3.4 15.1 1.0 CA D:ALA174 3.7 25.3 1.0 OD1 D:ASN168 3.7 15.8 1.0 CA D:SER110 3.7 15.3 1.0 CB D:SER110 3.8 12.3 1.0 C D:SER110 3.9 12.5 1.0 C D:TYR173 4.1 15.0 1.0 CA D:TYR173 4.1 9.1 1.0 CA D:GLY111 4.1 17.3 1.0 CB D:TYR173 4.4 14.5 1.0 CB D:ALA174 4.5 17.8 1.0 CG D:ASN168 4.6 13.8 1.0 O D:HOH611 4.6 19.5 1.0 CE D:LYS200 4.7 17.3 1.0 CZ3 D:TRP56 4.7 13.5 1.0 OG D:SER110 4.9 14.6 1.0 CD1 D:TYR173 4.9 14.4 1.0 C D:ALA174 4.9 14.5 1.0

N.B.P.Adams, C.Bisson, A.A.Brindley, D.A.Farmer, P.A.Davison, J.D.Reid, C.N.Hunter. The Active Site of Magnesium Chelatase. Nat.Plants 2020.
ISSN: ESSN 2055-0278
PubMed: 33257858
DOI: 10.1038/S41477-020-00806-9