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Iron in PDB 7c2b: Crystal Structure of Ferredoxin: Thioredoxin Reductase and Thioredoxin F2 Complex

Enzymatic activity of Crystal Structure of Ferredoxin: Thioredoxin Reductase and Thioredoxin F2 Complex

All present enzymatic activity of Crystal Structure of Ferredoxin: Thioredoxin Reductase and Thioredoxin F2 Complex:
1.8.7.2;

Protein crystallography data

The structure of Crystal Structure of Ferredoxin: Thioredoxin Reductase and Thioredoxin F2 Complex, PDB code: 7c2b was solved by G.Kurisu, L.Juniar, H.Tanaka, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 48.73 / 1.79
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 68.738, 83.943, 69.041, 90.00, 90.00, 90.00
R / Rfree (%) 17.9 / 21.1

Other elements in 7c2b:

The structure of Crystal Structure of Ferredoxin: Thioredoxin Reductase and Thioredoxin F2 Complex also contains other interesting chemical elements:

Magnesium (Mg) 1 atom

Iron Binding Sites:

The binding sites of Iron atom in the Crystal Structure of Ferredoxin: Thioredoxin Reductase and Thioredoxin F2 Complex (pdb code 7c2b). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 4 binding sites of Iron where determined in the Crystal Structure of Ferredoxin: Thioredoxin Reductase and Thioredoxin F2 Complex, PDB code: 7c2b:
Jump to Iron binding site number: 1; 2; 3; 4;

Iron binding site 1 out of 4 in 7c2b

Go back to Iron Binding Sites List in 7c2b
Iron binding site 1 out of 4 in the Crystal Structure of Ferredoxin: Thioredoxin Reductase and Thioredoxin F2 Complex


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Crystal Structure of Ferredoxin: Thioredoxin Reductase and Thioredoxin F2 Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Fe201

b:16.9
occ:1.00
 FE1 A:SF4201 0.0 16.9 1.0
S2 A:SF4201 2.2 15.6 1.0
S4 A:SF4201 2.3 16.2 1.0
S3 A:SF4201 2.3 16.9 1.0
SG A:CYS73 2.3 16.9 1.0
FE4 A:SF4201 2.7 17.1 1.0
FE3 A:SF4201 2.7 16.5 1.0
FE2 A:SF4201 2.9 18.8 1.0
CB A:CYS73 3.2 18.3 1.0
CA A:CYS73 3.8 16.9 1.0
S1 A:SF4201 3.9 16.3 1.0
CA A:PRO74 4.4 17.3 1.0
N A:CYS75 4.4 15.1 1.0
CD2 A:LEU42 4.6 18.1 1.0
CE2 A:PHE89 4.6 18.1 1.0
SG A:CYS75 4.8 17.6 1.0
CD2 A:LEU88 4.8 16.5 1.0
C A:CYS73 4.8 17.3 1.0
SG A:CYS84 4.8 18.7 1.0
N A:CYS73 4.9 16.8 1.0
C A:PRO74 4.9 19.2 1.0
N A:PRO74 4.9 15.6 1.0
CD2 A:PHE89 4.9 18.7 1.0

Iron binding site 2 out of 4 in 7c2b

Go back to Iron Binding Sites List in 7c2b
Iron binding site 2 out of 4 in the Crystal Structure of Ferredoxin: Thioredoxin Reductase and Thioredoxin F2 Complex


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Crystal Structure of Ferredoxin: Thioredoxin Reductase and Thioredoxin F2 Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Fe201

b:18.8
occ:1.00
 FE2 A:SF4201 0.0 18.8 1.0
S1 A:SF4201 2.3 16.3 1.0
S3 A:SF4201 2.3 16.9 1.0
S4 A:SF4201 2.3 16.2 1.0
SG A:CYS54 2.5 19.4 1.0
SG A:CYS86 2.6 19.6 1.0
FE4 A:SF4201 2.7 17.1 1.0
FE3 A:SF4201 2.8 16.5 1.0
FE1 A:SF4201 2.9 16.9 1.0
CB A:CYS54 3.5 18.1 1.0
CB A:CYS86 3.6 19.7 1.0
CA A:CYS54 3.9 18.1 1.0
S2 A:SF4201 4.0 15.6 1.0
CD A:PRO55 4.3 19.0 1.0
CE1 A:HIS85 4.4 23.5 1.0
N A:CYS86 4.5 17.7 1.0
CA A:CYS86 4.7 17.9 1.0
C A:CYS54 4.7 17.2 1.0
N A:PRO55 4.7 16.9 1.0
ND1 A:HIS85 4.8 23.9 1.0
SG A:CYS84 4.8 18.7 1.0
SG A:CYS75 4.8 17.6 1.0

Iron binding site 3 out of 4 in 7c2b

Go back to Iron Binding Sites List in 7c2b
Iron binding site 3 out of 4 in the Crystal Structure of Ferredoxin: Thioredoxin Reductase and Thioredoxin F2 Complex


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 3 of Crystal Structure of Ferredoxin: Thioredoxin Reductase and Thioredoxin F2 Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Fe201

b:16.5
occ:1.00
 FE3 A:SF4201 0.0 16.5 1.0
S4 A:SF4201 2.2 16.2 1.0
S2 A:SF4201 2.3 15.6 1.0
S1 A:SF4201 2.3 16.3 1.0
SG A:CYS75 2.3 17.6 1.0
FE1 A:SF4201 2.7 16.9 1.0
FE4 A:SF4201 2.7 17.1 1.0
FE2 A:SF4201 2.8 18.8 1.0
CB A:CYS75 3.3 16.6 1.0
N A:CYS75 3.7 15.1 1.0
S3 A:SF4201 3.8 16.9 1.0
CA A:CYS75 4.1 18.0 1.0
CB A:MET78 4.3 14.4 1.0
SG A:CYS54 4.4 19.4 1.0
O A:HOH324 4.5 22.7 1.0
SG A:CYS73 4.8 16.9 1.0
CB A:CYS54 4.8 18.1 1.0
C A:PRO74 4.8 19.2 1.0
O A:GLU83 4.8 18.4 1.0
SG A:CYS84 4.8 18.7 1.0
CA A:CYS84 4.9 16.8 1.0
CA A:PRO74 5.0 17.3 1.0
C A:CYS75 5.0 18.3 1.0

Iron binding site 4 out of 4 in 7c2b

Go back to Iron Binding Sites List in 7c2b
Iron binding site 4 out of 4 in the Crystal Structure of Ferredoxin: Thioredoxin Reductase and Thioredoxin F2 Complex


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 4 of Crystal Structure of Ferredoxin: Thioredoxin Reductase and Thioredoxin F2 Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Fe201

b:17.1
occ:1.00
 FE4 A:SF4201 0.0 17.1 1.0
S3 A:SF4201 2.2 16.9 1.0
S1 A:SF4201 2.3 16.3 1.0
S2 A:SF4201 2.3 15.6 1.0
SG A:CYS84 2.4 18.7 1.0
FE1 A:SF4201 2.7 16.9 1.0
FE3 A:SF4201 2.7 16.5 1.0
FE2 A:SF4201 2.7 18.8 1.0
CB A:CYS84 3.4 16.7 1.0
CA A:CYS84 3.8 16.8 1.0
S4 A:SF4201 3.8 16.2 1.0
CB A:CYS86 3.9 19.7 1.0
SG A:CYS86 4.2 19.6 1.0
C A:CYS84 4.3 19.7 1.0
N A:CYS86 4.4 17.7 1.0
CD2 A:PHE89 4.5 18.7 1.0
CB A:LEU88 4.5 16.1 1.0
N A:HIS85 4.6 17.0 1.0
CA A:CYS86 4.7 17.9 1.0
SG A:CYS73 4.8 16.9 1.0
SG A:CYS75 4.8 17.6 1.0
CE2 A:PHE89 4.9 18.1 1.0
O A:CYS84 4.9 17.5 1.0

Reference:

L.Juniar, H.Tanaka, K.Yoshida, T.Hisabori, G.Kurisu. Structural Basis For Thioredoxin Isoform-Based Fine-Tuning of Ferredoxin-Thioredoxin Reductase Activity. Protein Sci. V. 29 2538 2020.
ISSN: ESSN 1469-896X
PubMed: 33015914
DOI: 10.1002/PRO.3964
Page generated: Wed Aug 6 20:53:01 2025

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