Iron in PDB 6zxs: Cold Grown Pea Photosystem I

All present enzymatic activity of Cold Grown Pea Photosystem I:
1.97.1.12;

The structure of Cold Grown Pea Photosystem I, PDB code: 6zxs was solved by I.Caspy, A.Borovikova-Sheinker, R.Subramanyam, N.Nelson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.63 / 3.00
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	190.197, 201.786, 213.614, 90, 90, 90
R / Rfree (%)	23.9 / 27

The structure of Cold Grown Pea Photosystem I also contains other interesting chemical elements:

Calcium	(Ca)	2 atoms
Magnesium	(Mg)	156 atoms

Pages:

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

Binding sites:

The binding sites of Iron atom in the Cold Grown Pea Photosystem I (pdb code 6zxs). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 12 binding sites of Iron where determined in the Cold Grown Pea Photosystem I, PDB code: 6zxs:
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 Cold Grown Pea Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Cold Grown Pea Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe842 b:71.1 occ:1.00 FE1 A:SF4842 0.0 71.1 1.0 SG A:CYS581 2.3 103.0 1.0 S4 A:SF4842 2.3 76.7 1.0 S2 A:SF4842 2.3 119.2 1.0 S3 A:SF4842 2.3 70.3 1.0 FE2 A:SF4842 2.7 70.0 1.0 FE4 A:SF4842 2.7 71.5 1.0 FE3 A:SF4842 2.7 106.6 1.0 CB A:CYS581 3.1 98.8 1.0 S1 A:SF4842 3.9 144.8 1.0 SG A:CYS590 4.4 92.5 1.0 CA A:CYS581 4.5 93.2 1.0 SG B:CYS559 4.6 72.5 1.0 SG B:CYS568 4.7 99.9 1.0 N A:GLY583 4.8 80.1 1.0 CB A:CYS590 4.8 81.9 1.0 CA A:CYS590 4.8 88.0 1.0 N B:PRO562 4.8 96.7 1.0 N A:CYS581 4.8 91.0 1.0 CD B:PRO562 4.9 84.0 1.0 C A:GLY583 4.9 83.6 1.0 O A:GLY583 5.0 66.9 1.0 CB B:PRO562 5.0 66.2 1.0

Iron binding site 2 out of 12 in the Cold Grown Pea Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Cold Grown Pea Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe842 b:70.0 occ:1.00 FE2 A:SF4842 0.0 70.0 1.0 SG B:CYS559 2.3 72.5 1.0 S3 A:SF4842 2.3 70.3 1.0 S4 A:SF4842 2.3 76.7 1.0 S1 A:SF4842 2.3 144.8 1.0 FE1 A:SF4842 2.7 71.1 1.0 FE4 A:SF4842 2.7 71.5 1.0 FE3 A:SF4842 2.7 106.6 1.0 CB B:CYS559 3.2 87.9 1.0 S2 A:SF4842 3.9 119.2 1.0 SG A:CYS590 4.5 92.5 1.0 CA B:CYS559 4.6 68.0 1.0 SG B:CYS568 4.6 99.9 1.0 CD1 B:ILE702 4.8 78.0 1.0 SG A:CYS581 4.8 103.0 1.0 CB A:PRO584 4.8 84.9 1.0 N B:CYS559 4.8 78.0 1.0 N B:GLY561 4.9 110.0 1.0 N A:PRO584 4.9 71.4 1.0 CA B:CYS568 4.9 70.5 1.0 CA A:PRO584 5.0 66.0 1.0

Iron binding site 3 out of 12 in the Cold Grown Pea Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 3 of Cold Grown Pea Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe842 b:106.6 occ:1.00 FE3 A:SF4842 0.0 106.6 1.0 SG B:CYS568 2.3 99.9 1.0 S4 A:SF4842 2.3 76.7 1.0 S1 A:SF4842 2.3 144.8 1.0 S2 A:SF4842 2.3 119.2 1.0 FE4 A:SF4842 2.7 71.5 1.0 FE1 A:SF4842 2.7 71.1 1.0 FE2 A:SF4842 2.7 70.0 1.0 CB B:CYS568 3.2 62.7 1.0 CA B:CYS568 3.9 70.5 1.0 S3 A:SF4842 3.9 70.3 1.0 CZ3 B:TRP667 3.9 72.0 1.0 N B:CYS568 4.3 70.3 1.0 CE3 B:TRP667 4.7 92.5 1.0 CG2 A:ILE727 4.7 65.9 1.0 SG B:CYS559 4.7 72.5 1.0 SG A:CYS581 4.8 103.0 1.0 CG1 A:ILE727 4.8 74.3 1.0 CH2 B:TRP667 4.8 75.1 1.0 CB B:CYS559 4.9 87.9 1.0 SG A:CYS590 5.0 92.5 1.0

Iron binding site 4 out of 12 in the Cold Grown Pea Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 4 of Cold Grown Pea Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe842 b:71.5 occ:1.00 FE4 A:SF4842 0.0 71.5 1.0 SG A:CYS590 2.3 92.5 1.0 S3 A:SF4842 2.3 70.3 1.0 S2 A:SF4842 2.3 119.2 1.0 S1 A:SF4842 2.3 144.8 1.0 FE1 A:SF4842 2.7 71.1 1.0 FE2 A:SF4842 2.7 70.0 1.0 FE3 A:SF4842 2.7 106.6 1.0 CB A:CYS590 3.1 81.9 1.0 CE3 B:TRP667 3.8 92.5 1.0 CZ3 B:TRP667 3.9 72.0 1.0 S4 A:SF4842 3.9 76.7 1.0 CA A:CYS590 4.0 88.0 1.0 N A:CYS590 4.4 96.1 1.0 CG2 B:ILE702 4.5 119.2 1.0 CD1 B:ILE702 4.6 78.0 1.0 CB A:CYS581 4.7 98.8 1.0 SG A:CYS581 4.7 103.0 1.0 NH2 A:ARG731 4.8 94.6 1.0 SG B:CYS568 4.9 99.9 1.0 SG B:CYS559 4.9 72.5 1.0 CD2 B:TRP667 5.0 66.8 1.0

Iron binding site 5 out of 12 in the Cold Grown Pea Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 5 of Cold Grown Pea Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ C:Fe101 b:120.3 occ:1.00 FE1 C:SF4101 0.0 120.3 1.0 SG C:CYS21 2.3 128.2 1.0 S3 C:SF4101 2.3 90.8 1.0 S4 C:SF4101 2.3 124.5 1.0 S2 C:SF4101 2.3 69.8 1.0 FE4 C:SF4101 2.7 80.7 1.0 FE3 C:SF4101 2.7 83.2 1.0 FE2 C:SF4101 2.7 86.8 1.0 CB C:CYS21 3.4 83.1 1.0 CA C:CYS21 3.8 81.8 1.0 S1 C:SF4101 3.9 109.9 1.0 CD C:PRO22 3.9 94.5 1.0 CB C:VAL25 4.2 100.9 1.0 CG2 C:VAL25 4.3 89.2 1.0 OG1 C:THR23 4.4 71.5 1.0 CD2 C:LEU26 4.5 94.4 1.0 N C:PRO22 4.6 83.8 1.0 C C:CYS21 4.6 70.1 1.0 SG C:CYS54 4.6 77.2 1.0 SG C:CYS51 4.7 91.9 1.0 SG C:CYS48 4.7 74.7 1.0 N C:VAL25 5.0 101.0 1.0

Iron binding site 6 out of 12 in the Cold Grown Pea Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 6 of Cold Grown Pea Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ C:Fe101 b:86.8 occ:1.00 FE2 C:SF4101 0.0 86.8 1.0 SG C:CYS54 2.3 77.2 1.0 S4 C:SF4101 2.3 124.5 1.0 S1 C:SF4101 2.3 109.9 1.0 S3 C:SF4101 2.3 90.8 1.0 FE4 C:SF4101 2.7 80.7 1.0 FE3 C:SF4101 2.7 83.2 1.0 FE1 C:SF4101 2.7 120.3 1.0 CB C:CYS54 3.5 72.1 1.0 CG2 C:VAL67 3.8 68.8 1.0 S2 C:SF4101 3.9 69.8 1.0 N C:CYS54 4.1 84.5 1.0 CA C:CYS54 4.4 79.0 1.0 N C:LYS52 4.5 82.1 1.0 CA C:LYS52 4.5 82.3 1.0 N C:ARG53 4.7 98.6 1.0 CD2 C:LEU26 4.7 94.4 1.0 SG C:CYS51 4.8 91.9 1.0 SG C:CYS48 4.8 74.7 1.0 SG C:CYS21 4.8 128.2 1.0 C C:LYS52 4.9 86.0 1.0

Iron binding site 7 out of 12 in the Cold Grown Pea Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 7 of Cold Grown Pea Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ C:Fe101 b:83.2 occ:1.00 FE3 C:SF4101 0.0 83.2 1.0 SG C:CYS51 2.3 91.9 1.0 S4 C:SF4101 2.3 124.5 1.0 S2 C:SF4101 2.3 69.8 1.0 S1 C:SF4101 2.3 109.9 1.0 FE4 C:SF4101 2.7 80.7 1.0 FE2 C:SF4101 2.7 86.8 1.0 FE1 C:SF4101 2.7 120.3 1.0 N C:CYS51 3.5 104.8 1.0 N C:LYS52 3.6 82.1 1.0 CB C:CYS51 3.7 91.3 1.0 CD C:PRO22 3.9 94.5 1.0 S3 C:SF4101 3.9 90.8 1.0 CA C:CYS51 4.0 82.3 1.0 N C:ARG53 4.1 98.6 1.0 C C:CYS51 4.2 69.5 1.0 N C:GLY50 4.4 98.5 1.0 CG2 C:VAL49 4.4 85.3 1.0 C C:GLY50 4.4 83.0 1.0 CA C:LYS52 4.5 82.3 1.0 SG C:CYS54 4.6 77.2 1.0 CG C:PRO22 4.6 83.3 1.0 CA C:GLY50 4.7 81.4 1.0 SG C:CYS21 4.7 128.2 1.0 CB C:ARG53 4.8 67.0 1.0 SG C:CYS48 4.8 74.7 1.0 C C:LYS52 4.8 86.0 1.0 N C:CYS54 4.8 84.5 1.0 CA C:ARG53 5.0 89.3 1.0

Iron binding site 8 out of 12 in the Cold Grown Pea Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 8 of Cold Grown Pea Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ C:Fe101 b:80.7 occ:1.00 FE4 C:SF4101 0.0 80.7 1.0 SG C:CYS48 2.3 74.7 1.0 S1 C:SF4101 2.3 109.9 1.0 S2 C:SF4101 2.3 69.8 1.0 S3 C:SF4101 2.3 90.8 1.0 FE2 C:SF4101 2.7 86.8 1.0 FE3 C:SF4101 2.7 83.2 1.0 FE1 C:SF4101 2.7 120.3 1.0 CB C:CYS48 3.5 107.4 1.0 N C:GLY50 3.8 98.5 1.0 S4 C:SF4101 3.9 124.5 1.0 CA C:CYS48 4.0 108.7 1.0 N C:VAL49 4.0 73.9 1.0 CA C:GLY50 4.3 81.4 1.0 C C:CYS48 4.4 89.7 1.0 CG2 C:VAL5 4.5 71.3 1.0 CG1 C:VAL67 4.6 69.0 1.0 N C:CYS51 4.7 104.8 1.0 CG2 C:VAL25 4.8 89.2 1.0 CG2 C:VAL67 4.8 68.8 1.0 SG C:CYS21 4.8 128.2 1.0 SG C:CYS51 4.9 91.9 1.0 C C:VAL49 4.9 96.6 1.0 C C:GLY50 4.9 83.0 1.0 SG C:CYS54 4.9 77.2 1.0 CB C:VAL25 5.0 100.9 1.0

Iron binding site 9 out of 12 in the Cold Grown Pea Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 9 of Cold Grown Pea Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ C:Fe102 b:89.9 occ:1.00 FE1 C:SF4102 0.0 89.9 1.0 SG C:CYS14 2.3 99.0 1.0 S3 C:SF4102 2.3 145.3 1.0 S2 C:SF4102 2.3 122.4 1.0 S4 C:SF4102 2.3 82.4 1.0 FE2 C:SF4102 2.7 79.9 1.0 FE4 C:SF4102 2.7 89.1 1.0 FE3 C:SF4102 2.7 110.7 1.0 N C:CYS14 3.7 101.8 1.0 CB C:CYS14 3.8 138.0 1.0 S1 C:SF4102 3.9 112.2 1.0 CD C:PRO59 3.9 91.7 1.0 N C:THR15 4.1 104.9 1.0 N C:GLN16 4.1 122.8 1.0 CA C:CYS14 4.1 100.5 1.0 C C:CYS14 4.3 97.4 1.0 CB C:GLN16 4.5 76.5 1.0 SG C:CYS58 4.6 127.5 1.0 CG C:PRO59 4.6 92.3 1.0 CG1 C:ILE12 4.7 74.5 1.0 N C:GLY13 4.7 119.2 1.0 N C:CYS17 4.7 80.2 1.0 SG C:CYS17 4.8 89.2 1.0 SG C:CYS11 4.8 97.8 1.0 CA C:GLN16 4.8 103.5 1.0 C C:GLY13 4.8 89.9 1.0 CA C:THR15 5.0 101.1 1.0 CA C:CYS58 5.0 68.1 1.0

Iron binding site 10 out of 12 in the Cold Grown Pea Photosystem I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 10 of Cold Grown Pea Photosystem I within 5.0Å range: probe atom residue distance (Å) B Occ C:Fe102 b:79.9 occ:1.00 FE2 C:SF4102 0.0 79.9 1.0 SG C:CYS11 2.3 97.8 1.0 S1 C:SF4102 2.3 112.2 1.0 S4 C:SF4102 2.3 82.4 1.0 S3 C:SF4102 2.3 145.3 1.0 FE1 C:SF4102 2.7 89.9 1.0 FE3 C:SF4102 2.7 110.7 1.0 FE4 C:SF4102 2.7 89.1 1.0 CB C:CYS11 3.1 79.0 1.0 CA C:CYS11 3.6 94.0 1.0 N C:GLY13 3.8 119.2 1.0 N C:ILE12 3.8 97.9 1.0 S2 C:SF4102 3.9 122.4 1.0 C C:CYS11 4.1 99.0 1.0 CA C:GLY13 4.4 104.3 1.0 CB C:SER64 4.5 102.8 1.0 N C:CYS14 4.5 101.8 1.0 SG C:CYS14 4.7 99.0 1.0 C C:ILE12 4.8 109.0 1.0 SG C:CYS17 4.8 89.2 1.0 CA C:ILE12 4.8 112.3 1.0 SG C:CYS58 4.9 127.5 1.0 OG C:SER64 4.9 94.1 1.0 CB C:ALA40 4.9 96.7 1.0 N C:CYS11 4.9 113.7 1.0 CG1 C:ILE12 5.0 74.5 1.0

N.Nelson, I.Caspy, R.Subramanyam. Structure of Cold Grown Pea Photosystem I To Be Published.