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Iron in PDB 7kuf: Transcription Activation Subcomplex with WHIB7 Bound to SIGMAAR4-Rnap Beta Flap Tip Chimera and Dna

Enzymatic activity of Transcription Activation Subcomplex with WHIB7 Bound to SIGMAAR4-Rnap Beta Flap Tip Chimera and Dna

All present enzymatic activity of Transcription Activation Subcomplex with WHIB7 Bound to SIGMAAR4-Rnap Beta Flap Tip Chimera and Dna:
2.7.7.6;

Protein crystallography data

The structure of Transcription Activation Subcomplex with WHIB7 Bound to SIGMAAR4-Rnap Beta Flap Tip Chimera and Dna, PDB code: 7kuf was solved by T.Wan, M.Horova, D.G.Beltran, S.R.Li, L.M.Zhang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 29.99 / 2.60
Space group P 32 2 1
Cell size a, b, c (Å), α, β, γ (°) 69.254, 69.254, 167.374, 90, 90, 120
R / Rfree (%) 22.1 / 25.5

Iron Binding Sites:

The binding sites of Iron atom in the Transcription Activation Subcomplex with WHIB7 Bound to SIGMAAR4-Rnap Beta Flap Tip Chimera and Dna (pdb code 7kuf). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 4 binding sites of Iron where determined in the Transcription Activation Subcomplex with WHIB7 Bound to SIGMAAR4-Rnap Beta Flap Tip Chimera and Dna, PDB code: 7kuf:
Jump to Iron binding site number: 1; 2; 3; 4;

Iron binding site 1 out of 4 in 7kuf

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Iron binding site 1 out of 4 in the Transcription Activation Subcomplex with WHIB7 Bound to SIGMAAR4-Rnap Beta Flap Tip Chimera and Dna


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Transcription Activation Subcomplex with WHIB7 Bound to SIGMAAR4-Rnap Beta Flap Tip Chimera and Dna within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Fe101

b:105.5
occ:1.00
 FE1 A:SF4101 0.0 105.5 1.0
S3 A:SF4101 2.2 96.1 1.0
S4 A:SF4101 2.3 98.7 1.0
SG A:CYS46 2.3 115.0 1.0
S2 A:SF4101 2.3 99.0 1.0
FE4 A:SF4101 2.7 104.1 1.0
FE2 A:SF4101 2.7 100.0 1.0
FE3 A:SF4101 2.7 101.9 1.0
CB A:CYS46 2.8 117.4 1.0
S1 A:SF4101 3.9 100.3 1.0
SG A:CYS20 3.9 106.4 1.0
CD A:PRO19 3.9 117.6 1.0
CG A:PRO19 4.0 112.3 1.0
CA A:CYS46 4.2 121.1 1.0
CD2 A:LEU18 4.5 122.7 1.0
SG A:CYS43 4.6 106.7 1.0
O A:CYS43 4.7 109.5 1.0
CA A:CYS43 4.7 103.9 1.0
CB A:LEU18 4.7 122.7 1.0
CB A:CYS43 4.8 109.6 1.0
N A:CYS20 4.9 110.3 1.0
CB A:CYS20 4.9 104.8 1.0
N A:PRO19 4.9 120.3 1.0
SG A:CYS52 5.0 111.5 1.0

Iron binding site 2 out of 4 in 7kuf

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Iron binding site 2 out of 4 in the Transcription Activation Subcomplex with WHIB7 Bound to SIGMAAR4-Rnap Beta Flap Tip Chimera and Dna


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Transcription Activation Subcomplex with WHIB7 Bound to SIGMAAR4-Rnap Beta Flap Tip Chimera and Dna within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Fe101

b:100.0
occ:1.00
 FE2 A:SF4101 0.0 100.0 1.0
S4 A:SF4101 2.3 98.7 1.0
SG A:CYS20 2.3 106.4 1.0
S3 A:SF4101 2.3 96.1 1.0
S1 A:SF4101 2.3 100.3 1.0
FE3 A:SF4101 2.7 101.9 1.0
FE1 A:SF4101 2.7 105.5 1.0
FE4 A:SF4101 2.8 104.1 1.0
CB A:CYS20 2.9 104.8 1.0
S2 A:SF4101 3.9 99.0 1.0
CE1 B:HIS516 3.9 97.4 1.0
CA A:CYS20 4.1 108.2 1.0
N A:CYS20 4.2 110.3 1.0
NE1 A:TRP28 4.3 86.7 1.0
SG A:CYS43 4.4 106.7 1.0
NE2 B:HIS516 4.5 94.1 1.0
CB B:PRO517 4.6 114.2 1.0
CG B:PRO517 4.6 112.4 1.0
SG A:CYS52 4.6 111.5 1.0
CD1 A:TRP28 4.7 85.9 1.0
ND1 B:HIS516 4.8 101.2 1.0
CE2 A:TRP28 4.8 91.2 1.0
SG A:CYS46 4.8 115.0 1.0
CD B:PRO517 4.9 108.1 1.0

Iron binding site 3 out of 4 in 7kuf

Go back to Iron Binding Sites List in 7kuf
Iron binding site 3 out of 4 in the Transcription Activation Subcomplex with WHIB7 Bound to SIGMAAR4-Rnap Beta Flap Tip Chimera and Dna


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 3 of Transcription Activation Subcomplex with WHIB7 Bound to SIGMAAR4-Rnap Beta Flap Tip Chimera and Dna within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Fe101

b:101.9
occ:1.00
 FE3 A:SF4101 0.0 101.9 1.0
S1 A:SF4101 2.3 100.3 1.0
SG A:CYS52 2.3 111.5 1.0
S2 A:SF4101 2.3 99.0 1.0
S4 A:SF4101 2.3 98.7 1.0
FE2 A:SF4101 2.7 100.0 1.0
FE4 A:SF4101 2.7 104.1 1.0
FE1 A:SF4101 2.7 105.5 1.0
CB A:CYS52 2.9 115.6 1.0
N A:GLY67 3.7 106.3 1.0
S3 A:SF4101 3.8 96.1 1.0
CG B:PRO517 4.2 112.4 1.0
CA A:GLY67 4.2 109.9 1.0
SG A:CYS46 4.4 115.0 1.0
CA A:CYS52 4.4 119.6 1.0
SG A:CYS20 4.5 106.4 1.0
C A:TRP66 4.8 107.0 1.0
CD B:PRO517 4.9 108.1 1.0
CB B:PRO517 4.9 114.2 1.0
SG A:CYS43 4.9 106.7 1.0
CA A:TRP66 5.0 103.5 1.0

Iron binding site 4 out of 4 in 7kuf

Go back to Iron Binding Sites List in 7kuf
Iron binding site 4 out of 4 in the Transcription Activation Subcomplex with WHIB7 Bound to SIGMAAR4-Rnap Beta Flap Tip Chimera and Dna


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 4 of Transcription Activation Subcomplex with WHIB7 Bound to SIGMAAR4-Rnap Beta Flap Tip Chimera and Dna within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Fe101

b:104.1
occ:1.00
 FE4 A:SF4101 0.0 104.1 1.0
S2 A:SF4101 2.2 99.0 1.0
SG A:CYS43 2.3 106.7 1.0
S3 A:SF4101 2.3 96.1 1.0
S1 A:SF4101 2.3 100.3 1.0
FE1 A:SF4101 2.7 105.5 1.0
FE3 A:SF4101 2.7 101.9 1.0
FE2 A:SF4101 2.8 100.0 1.0
CB A:CYS43 3.1 109.6 1.0
N A:GLY67 3.6 106.3 1.0
CA A:CYS43 3.8 103.9 1.0
N A:GLY68 3.9 108.4 1.0
S4 A:SF4101 3.9 98.7 1.0
CA A:GLY67 4.0 109.9 1.0
SG A:CYS52 4.2 111.5 1.0
NE1 A:TRP28 4.3 86.7 1.0
C A:GLY67 4.4 112.9 1.0
C A:TRP66 4.5 107.0 1.0
CB A:CYS46 4.6 117.4 1.0
O A:CYS43 4.7 109.5 1.0
C A:CYS43 4.8 108.1 1.0
SG A:CYS46 4.8 115.0 1.0
CD1 A:TRP28 4.8 85.9 1.0
N A:CYS43 4.8 100.6 1.0
CA A:GLY68 4.8 110.2 1.0
CA A:TRP66 4.9 103.5 1.0
SG A:CYS20 4.9 106.4 1.0
O A:VAL65 4.9 96.8 1.0
CB A:CYS52 5.0 115.6 1.0

Reference:

T.Wan, M.Horova, D.G.Beltran, S.R.Li, H.Wong, L.M.Zhang. A Redox-Sensitive Transcriptional Factor Mol.Cell 2021.
ISSN: ISSN 1097-2765
DOI: 10.1016/J.MOLCEL.2021.06.002
Page generated: Wed Aug 6 22:52:15 2025

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