Chlorine in PDB 7pi0: Unstacked Compact Dunaliella Psii

All present enzymatic activity of Unstacked Compact Dunaliella Psii:
1.10.3.9;

The structure of Unstacked Compact Dunaliella Psii also contains other interesting chemical elements:

Calcium	(Ca)	2 atoms
Iron	(Fe)	4 atoms
Magnesium	(Mg)	202 atoms
Manganese	(Mn)	8 atoms
Sodium	(Na)	2 atoms

The binding sites of Chlorine atom in the Unstacked Compact Dunaliella Psii (pdb code 7pi0). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 4 binding sites of Chlorine where determined in the Unstacked Compact Dunaliella Psii, PDB code: 7pi0:
Jump to Chlorine binding site number: 1; 2; 3; 4;

Chlorine binding site 1 out of 4 in the Unstacked Compact Dunaliella Psii


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Unstacked Compact Dunaliella Psii within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl403 b:41.2 occ:1.00 O D:HOH1025 2.9 38.8 1.0 ND2 A:ASN181 3.5 28.6 1.0 CA A:HIS332 3.7 47.7 1.0 N A:GLU333 3.7 52.6 1.0 CB A:HIS332 3.8 47.7 1.0 O A:HOH1077 3.8 42.2 1.0 OD1 A:ASN181 3.8 28.6 1.0 OE1 A:GLU333 3.8 52.6 1.0 CB D:LYS317 4.0 33.1 1.0 CG A:ASN181 4.1 28.6 1.0 CG2 A:VAL185 4.1 30.2 1.0 CD1 D:LEU321 4.2 33.1 1.0 C A:HIS332 4.2 47.7 1.0 NZ D:LYS317 4.3 33.1 1.0 CD D:LYS317 4.4 33.1 1.0 CG D:LYS317 4.4 33.1 1.0 CD2 D:LEU321 4.5 33.1 1.0 CG D:LEU321 4.5 33.1 1.0 CD A:GLU333 4.7 52.6 1.0 CA A:GLU333 4.8 52.6 1.0 N A:HIS332 4.9 47.7 1.0 O D:LYS317 4.9 33.1 1.0 CA D:LYS317 4.9 33.1 1.0 O A:HOH1046 5.0 39.7 1.0 O A:MET331 5.0 45.6 1.0 CE D:LYS317 5.0 33.1 1.0

Chlorine binding site 2 out of 4 in the Unstacked Compact Dunaliella Psii


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Unstacked Compact Dunaliella Psii within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl404 b:53.7 occ:1.00 O C:HOH1121 2.9 41.7 1.0 N A:ASN338 3.4 49.6 1.0 N C:GLU342 3.6 49.5 1.0 CD2 A:PHE339 3.8 50.9 1.0 CA A:HIS337 3.8 52.5 1.0 N A:PHE339 3.9 50.9 1.0 O C:HOH1090 4.0 46.9 1.0 CB C:GLU342 4.1 49.5 1.0 C A:HIS337 4.1 52.5 1.0 O A:ALA336 4.1 48.4 1.0 CA C:GLY341 4.2 44.8 1.0 CA A:ASN338 4.3 49.6 1.0 O A:HOH1088 4.4 43.0 1.0 C C:GLY341 4.4 44.8 1.0 CG C:GLU342 4.4 49.5 1.0 CG A:PHE339 4.4 50.9 1.0 CA C:GLU342 4.4 49.5 1.0 CE2 A:PHE339 4.4 50.9 1.0 CB A:PHE339 4.5 50.9 1.0 CB A:HIS337 4.5 52.5 1.0 CB A:ASN338 4.5 49.6 1.0 CD2 A:HIS337 4.5 52.5 1.0 O A:PHE339 4.6 50.9 1.0 C A:ASN338 4.6 49.6 1.0 OE1 C:GLU342 4.6 49.5 1.0 O C:HOH1065 4.6 42.5 1.0 CA A:PHE339 4.7 50.9 1.0 CD C:GLU342 4.7 49.5 1.0 CG A:HIS337 4.8 52.5 1.0 N C:THR343 4.9 41.4 1.0 N A:HIS337 4.9 52.5 1.0 C A:ALA336 5.0 48.4 1.0

Chlorine binding site 3 out of 4 in the Unstacked Compact Dunaliella Psii


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 3 of Unstacked Compact Dunaliella Psii within 5.0Å range: probe atom residue distance (Å) B Occ a:Cl403 b:38.5 occ:1.00 O a:HOH1053 3.2 36.9 1.0 OD1 a:ASN181 3.6 28.5 1.0 O a:HOH1055 3.6 40.6 1.0 OE1 a:GLU333 3.6 49.0 1.0 ND2 a:ASN181 3.6 28.5 1.0 CA a:HIS332 3.7 42.0 1.0 CB a:HIS332 3.7 42.0 1.0 N a:GLU333 3.8 49.0 1.0 CE d:LYS317 3.8 27.7 1.0 CB d:LYS317 4.0 27.7 1.0 CD1 d:LEU321 4.0 26.8 1.0 CG a:ASN181 4.1 28.5 1.0 CG2 a:VAL185 4.1 29.2 1.0 C a:HIS332 4.3 42.0 1.0 CG d:LEU321 4.5 26.8 1.0 CG d:LYS317 4.5 27.7 1.0 CD d:LYS317 4.5 27.7 1.0 CD a:GLU333 4.6 49.0 1.0 CD2 d:LEU321 4.6 26.8 1.0 NZ d:LYS317 4.7 27.7 1.0 O a:HOH1041 4.8 36.6 1.0 CA a:GLU333 4.9 49.0 1.0 O d:LYS317 4.9 27.7 1.0 CA d:LYS317 4.9 27.7 1.0 N a:HIS332 5.0 42.0 1.0 CG a:HIS332 5.0 42.0 1.0

Chlorine binding site 4 out of 4 in the Unstacked Compact Dunaliella Psii


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 4 of Unstacked Compact Dunaliella Psii within 5.0Å range: probe atom residue distance (Å) B Occ a:Cl404 b:55.5 occ:1.00 O c:HOH1066 2.8 44.2 1.0 N a:ASN338 3.5 50.3 1.0 N c:GLU342 3.7 50.1 1.0 CD2 a:PHE339 3.8 51.1 1.0 O a:HOH1080 3.9 43.9 1.0 O a:HOH1091 3.9 48.0 1.0 CA a:HIS337 3.9 52.0 1.0 N a:PHE339 4.0 51.1 1.0 CB c:GLU342 4.1 50.1 1.0 O c:HOH1065 4.2 41.9 1.0 C a:HIS337 4.2 52.0 1.0 O a:ALA336 4.2 49.0 1.0 CG c:GLU342 4.3 50.1 1.0 CA c:GLY341 4.4 46.0 1.0 CA a:ASN338 4.4 50.3 1.0 CA c:GLU342 4.5 50.1 1.0 CB a:HIS337 4.5 52.0 1.0 OE1 c:GLU342 4.5 50.1 1.0 C c:GLY341 4.5 46.0 1.0 CB a:PHE339 4.5 51.1 1.0 CG a:PHE339 4.5 51.1 1.0 CE2 a:PHE339 4.6 51.1 1.0 CD2 a:HIS337 4.6 52.0 1.0 O a:PHE339 4.6 51.1 1.0 CD c:GLU342 4.6 50.1 1.0 CB a:ASN338 4.6 50.3 1.0 C a:ASN338 4.7 50.3 1.0 CA a:PHE339 4.8 51.1 1.0 CG a:HIS337 4.9 52.0 1.0 N c:THR343 4.9 43.1 1.0 N a:HIS337 5.0 52.0 1.0

I.Caspy, M.Fadeeva, Y.Mazor, M.Nelson. Structure of Dunaliella Photosystem II Reveals Conformational Flexibility of Stacked and Unstacked Supercomplexes To Be Published.