Iron in PDB 6hqb: Monomeric Cyanobacterial Photosystem I

All present enzymatic activity of Monomeric Cyanobacterial Photosystem I:
1.97.1.12;

The structure of Monomeric Cyanobacterial Photosystem I, PDB code: 6hqb was solved by S.Y.Netzer-El, N.Nelson, I.Caspy, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.29 / 4.00
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	124.322, 178.658, 181.446, 90.00, 90.00, 90.00
R / Rfree (%)	25.5 / 29.5

The structure of Monomeric Cyanobacterial Photosystem I also contains other interesting chemical elements:

Magnesium	(Mg)	93 atoms
Calcium	(Ca)	2 atoms
Chlorine	(Cl)	1 atom

Pages:

>>> Page 1 <<< Page 2, Binding sites: 11 - 12;

Binding sites:

The binding sites of Iron atom in the Monomeric Cyanobacterial Photosystem I (pdb code 6hqb). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 12 binding sites of Iron where determined in the Monomeric Cyanobacterial Photosystem I, PDB code: 6hqb:
Jump to Iron binding site number: 1; 2; 3; 4; 5; 6; 7; 8; 9; 10;

Iron binding site 1 out of 12 in the Monomeric Cyanobacterial Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Monomeric Cyanobacterial Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe3001 b:50.6 occ:1.00 FE1 A:SF43001 0.0 50.6 1.0 S4 A:SF43001 2.3 65.3 1.0 S2 A:SF43001 2.3 86.2 1.0 S3 A:SF43001 2.3 38.3 1.0 FE3 A:SF43001 2.7 65.2 1.0 FE2 A:SF43001 2.7 64.0 1.0 FE4 A:SF43001 2.7 36.0 1.0 SG B:CYS565 2.9 46.9 1.0 CB B:CYS565 3.7 47.4 1.0 S1 A:SF43001 3.9 0.4 1.0 CD1 A:ILE720 3.9 21.1 1.0 CA B:CYS565 4.2 46.9 1.0 CZ3 B:TRP664 4.3 0.0 1.0 CG2 A:ILE720 4.4 29.4 1.0 N B:CYS565 4.4 45.7 1.0 CG1 A:ILE720 4.8 22.3 1.0 CE3 B:TRP664 4.9 0.8 1.0

Iron binding site 2 out of 12 in the Monomeric Cyanobacterial Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Monomeric Cyanobacterial Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe3001 b:64.0 occ:1.00 FE2 A:SF43001 0.0 64.0 1.0 S1 A:SF43001 2.3 0.4 1.0 S3 A:SF43001 2.3 38.3 1.0 S4 A:SF43001 2.3 65.3 1.0 FE3 A:SF43001 2.7 65.2 1.0 FE4 A:SF43001 2.7 36.0 1.0 FE1 A:SF43001 2.7 50.6 1.0 SG A:CYS583 3.0 35.4 1.0 CB A:CYS583 3.6 43.5 1.0 S2 A:SF43001 3.9 86.2 1.0 CE3 B:TRP664 4.2 0.8 1.0 CZ3 B:TRP664 4.3 0.0 1.0 CG2 B:ILE699 4.4 64.4 1.0 CA A:CYS583 4.5 51.8 1.0 CG1 B:ILE699 4.6 67.5 1.0 NH2 B:ARG703 4.9 81.4 1.0 N A:CYS583 5.0 54.8 1.0

Iron binding site 3 out of 12 in the Monomeric Cyanobacterial Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 3 of Monomeric Cyanobacterial Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe3001 b:65.2 occ:1.00 FE3 A:SF43001 0.0 65.2 1.0 S4 A:SF43001 2.3 65.3 1.0 S1 A:SF43001 2.3 0.4 1.0 S2 A:SF43001 2.3 86.2 1.0 FE1 A:SF43001 2.7 50.6 1.0 FE2 A:SF43001 2.7 64.0 1.0 FE4 A:SF43001 2.7 36.0 1.0 SG A:CYS574 2.8 46.8 1.0 CB A:CYS574 3.1 51.3 1.0 S3 A:SF43001 3.9 38.3 1.0 CB A:CYS583 4.3 43.5 1.0 CA A:CYS583 4.3 51.8 1.0 SG A:CYS583 4.3 35.4 1.0 CA A:CYS574 4.5 55.0 1.0 C A:GLY576 4.7 82.3 1.0 O A:GLY576 4.7 83.9 1.0 N A:CYS583 4.7 54.8 1.0 N A:GLY576 4.8 75.9 1.0 CA A:GLY576 4.9 78.5 1.0 N A:CYS574 5.0 53.8 1.0 N A:PRO577 5.0 98.4 1.0

Iron binding site 4 out of 12 in the Monomeric Cyanobacterial Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 4 of Monomeric Cyanobacterial Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe3001 b:36.0 occ:1.00 FE4 A:SF43001 0.0 36.0 1.0 S1 A:SF43001 2.3 0.4 1.0 S3 A:SF43001 2.3 38.3 1.0 S2 A:SF43001 2.3 86.2 1.0 FE2 A:SF43001 2.7 64.0 1.0 FE3 A:SF43001 2.7 65.2 1.0 FE1 A:SF43001 2.7 50.6 1.0 SG B:CYS556 2.9 32.6 1.0 CB B:CYS556 3.8 41.4 1.0 S4 A:SF43001 3.9 65.3 1.0 CD A:PRO577 4.2 0.6 1.0 CB A:PRO577 4.3 0.3 1.0 N A:PRO577 4.3 98.4 1.0 CA B:GLY558 4.4 80.6 1.0 C B:GLY558 4.5 88.9 1.0 N B:GLY558 4.5 75.2 1.0 CA A:PRO577 4.6 0.5 1.0 CG A:PRO577 4.6 0.9 1.0 C A:GLY576 4.8 82.3 1.0 O B:GLY558 4.8 90.3 1.0 SG A:CYS574 4.8 46.8 1.0 N B:PRO559 4.8 97.9 1.0

Iron binding site 5 out of 12 in the Monomeric Cyanobacterial Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 5 of Monomeric Cyanobacterial Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ C:Fe3002 b:41.5 occ:1.00 FE1 C:SF43002 0.0 41.5 1.0 S2 C:SF43002 2.3 0.8 1.0 S4 C:SF43002 2.3 76.8 1.0 S3 C:SF43002 2.3 89.8 1.0 FE3 C:SF43002 2.7 38.1 1.0 FE4 C:SF43002 2.7 32.6 1.0 FE2 C:SF43002 2.7 41.6 1.0 SG C:CYS51 2.9 68.7 1.0 N C:LYS52 3.3 49.5 1.0 N C:CYS51 3.3 58.6 1.0 N C:ARG53 3.6 42.6 1.0 C C:CYS51 3.8 53.1 1.0 CA C:CYS51 3.8 59.6 1.0 S1 C:SF43002 3.9 80.9 1.0 CB C:CYS51 4.0 68.0 1.0 C C:GLY50 4.1 59.1 1.0 CA C:LYS52 4.1 45.5 1.0 N C:GLY50 4.3 64.0 1.0 C C:LYS52 4.3 44.5 1.0 CA C:GLY50 4.3 60.3 1.0 CB C:ARG53 4.4 39.3 1.0 N C:CYS54 4.4 27.1 1.0 CA C:ARG53 4.5 38.0 1.0 CD C:PRO22 4.6 81.3 1.0 O C:CYS51 4.7 52.3 1.0 CG2 C:VAL49 4.9 54.1 1.0 CG C:ARG53 4.9 42.2 1.0 C C:ARG53 5.0 32.4 1.0 O C:GLY50 5.0 61.0 1.0

Iron binding site 6 out of 12 in the Monomeric Cyanobacterial Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 6 of Monomeric Cyanobacterial Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ C:Fe3002 b:41.6 occ:1.00 FE2 C:SF43002 0.0 41.6 1.0 S3 C:SF43002 2.3 89.8 1.0 S4 C:SF43002 2.3 76.8 1.0 S1 C:SF43002 2.3 80.9 1.0 FE4 C:SF43002 2.7 32.6 1.0 FE3 C:SF43002 2.7 38.1 1.0 FE1 C:SF43002 2.7 41.5 1.0 SG C:CYS21 2.9 77.9 1.0 CB C:CYS21 3.6 75.7 1.0 CD C:PRO22 3.8 81.3 1.0 S2 C:SF43002 3.9 0.8 1.0 CA C:CYS21 4.0 77.5 1.0 CG2 C:VAL25 4.3 0.0 1.0 CB C:VAL25 4.3 0.5 1.0 N C:PRO22 4.5 81.0 1.0 C C:CYS21 4.6 77.2 1.0 SG C:CYS51 4.7 68.7 1.0 CD1 C:LEU26 4.8 0.6 1.0 CG C:PRO22 5.0 84.7 1.0 CD1 C:LEU23 5.0 0.7 1.0 CG C:LEU26 5.0 99.5 1.0

Iron binding site 7 out of 12 in the Monomeric Cyanobacterial Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 7 of Monomeric Cyanobacterial Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ C:Fe3002 b:38.1 occ:1.00 FE3 C:SF43002 0.0 38.1 1.0 S2 C:SF43002 2.3 0.8 1.0 S4 C:SF43002 2.3 76.8 1.0 S1 C:SF43002 2.3 80.9 1.0 FE4 C:SF43002 2.7 32.6 1.0 FE1 C:SF43002 2.7 41.5 1.0 FE2 C:SF43002 2.7 41.6 1.0 SG C:CYS54 2.9 34.0 1.0 CB C:CYS54 3.2 31.1 1.0 N C:CYS54 3.8 27.1 1.0 S3 C:SF43002 3.9 89.8 1.0 CG2 C:VAL67 4.1 50.0 1.0 CA C:CYS54 4.1 29.2 1.0 CD1 C:LEU26 4.2 0.6 1.0 N C:ARG53 4.6 42.6 1.0 N C:LYS52 4.8 49.5 1.0 CA C:LYS52 4.9 45.5 1.0 C C:ARG53 4.9 32.4 1.0 CG C:LEU26 4.9 99.5 1.0 C C:LYS52 4.9 44.5 1.0

Iron binding site 8 out of 12 in the Monomeric Cyanobacterial Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 8 of Monomeric Cyanobacterial Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ C:Fe3002 b:32.6 occ:1.00 FE4 C:SF43002 0.0 32.6 1.0 S2 C:SF43002 2.3 0.8 1.0 S1 C:SF43002 2.3 80.9 1.0 S3 C:SF43002 2.3 89.8 1.0 FE3 C:SF43002 2.7 38.1 1.0 FE1 C:SF43002 2.7 41.5 1.0 FE2 C:SF43002 2.7 41.6 1.0 SG C:CYS48 2.9 60.6 1.0 CB C:CYS48 3.7 63.2 1.0 N C:GLY50 3.7 64.0 1.0 S4 C:SF43002 3.9 76.8 1.0 CA C:CYS48 4.0 68.0 1.0 CA C:GLY50 4.2 60.3 1.0 N C:VAL49 4.2 63.7 1.0 C C:CYS48 4.4 68.2 1.0 CG2 C:VAL25 4.6 0.0 1.0 N C:CYS51 4.7 58.6 1.0 CG1 C:VAL25 4.7 0.1 1.0 CB C:VAL25 4.8 0.5 1.0 C C:GLY50 4.8 59.1 1.0 C C:VAL49 4.9 66.6 1.0 CG2 C:VAL5 5.0 0.3 1.0 CG2 C:VAL67 5.0 50.0 1.0

Iron binding site 9 out of 12 in the Monomeric Cyanobacterial Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 9 of Monomeric Cyanobacterial Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ C:Fe3003 b:52.4 occ:1.00 FE1 C:SF43003 0.0 52.4 1.0 S4 C:SF43003 2.3 97.3 1.0 S3 C:SF43003 2.3 0.9 1.0 S2 C:SF43003 2.3 0.8 1.0 FE2 C:SF43003 2.7 32.5 1.0 FE4 C:SF43003 2.7 57.3 1.0 FE3 C:SF43003 2.7 41.2 1.0 SG C:CYS58 3.0 81.1 1.0 CB C:CYS58 3.8 82.6 1.0 CG2 C:ILE65 3.8 52.6 1.0 S1 C:SF43003 3.9 0.1 1.0 CD C:PRO59 4.1 0.5 1.0 CA C:CYS58 4.1 85.2 1.0 CB C:SER64 4.3 55.9 1.0 N C:ILE65 4.4 41.2 1.0 CB C:ILE65 4.4 53.8 1.0 CB C:CYS17 4.5 67.2 1.0 O C:ALA57 4.7 86.1 1.0 SG C:CYS17 4.7 71.5 1.0 N C:SER64 4.8 63.2 1.0 C C:SER64 4.9 42.6 1.0 CA C:SER64 4.9 54.2 1.0 OG C:SER64 5.0 54.9 1.0 N C:PRO59 5.0 94.3 1.0

Iron binding site 10 out of 12 in the Monomeric Cyanobacterial Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 10 of Monomeric Cyanobacterial Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ C:Fe3003 b:32.5 occ:1.00 FE2 C:SF43003 0.0 32.5 1.0 S4 C:SF43003 2.3 97.3 1.0 S3 C:SF43003 2.3 0.9 1.0 S1 C:SF43003 2.3 0.1 1.0 FE4 C:SF43003 2.7 57.3 1.0 FE1 C:SF43003 2.7 52.4 1.0 FE3 C:SF43003 2.7 41.2 1.0 SG C:CYS17 3.0 71.5 1.0 CB C:CYS17 3.3 67.2 1.0 N C:CYS17 3.7 64.5 1.0 CE C:MET28 3.8 59.9 1.0 S2 C:SF43003 3.9 0.8 1.0 CA C:CYS17 4.1 67.2 1.0 CB C:ALA40 4.3 60.8 1.0 N C:GLN16 4.4 94.7 1.0 N C:THR15 4.5 93.4 1.0 SG C:CYS14 4.5 73.0 1.0 C C:THR15 4.8 0.8 1.0 C C:GLN16 4.8 74.2 1.0 CA C:THR15 4.8 0.4 1.0 N C:VAL18 4.9 72.8 1.0 N C:CYS14 5.0 76.4 1.0 C C:CYS17 5.0 71.7 1.0

S.Y.Netzer-El, I.Caspy, N.Nelson. Crystal Structure of Photosystem I Monomer From Synechocystis Pcc 6803. Front Plant Sci V. 9 1865 2018.
ISSN: ESSN 1664-462X
PubMed: 30662446
DOI: 10.3389/FPLS.2018.01865