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Iron in PDB 1xzu: T-to-Thigh Quaternary Transitions in Human Hemoglobin: ALPHAD94G Deoxy Low-Salt

Protein crystallography data

The structure of T-to-Thigh Quaternary Transitions in Human Hemoglobin: ALPHAD94G Deoxy Low-Salt, PDB code: 1xzu was solved by J.S.Kavanaugh, P.H.Rogers, A.Arnone, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 10.00 / 2.16
Space group P 21 21 2
Cell size a, b, c (Å), α, β, γ (°) 97.000, 99.700, 65.700, 90.00, 90.00, 90.00
R / Rfree (%) 18.5 / 26.4

Iron Binding Sites:

The binding sites of Iron atom in the T-to-Thigh Quaternary Transitions in Human Hemoglobin: ALPHAD94G Deoxy Low-Salt (pdb code 1xzu). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 4 binding sites of Iron where determined in the T-to-Thigh Quaternary Transitions in Human Hemoglobin: ALPHAD94G Deoxy Low-Salt, PDB code: 1xzu:
Jump to Iron binding site number: 1; 2; 3; 4;

Iron binding site 1 out of 4 in 1xzu

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Iron binding site 1 out of 4 in the T-to-Thigh Quaternary Transitions in Human Hemoglobin: ALPHAD94G Deoxy Low-Salt


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of T-to-Thigh Quaternary Transitions in Human Hemoglobin: ALPHAD94G Deoxy Low-Salt within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Fe142

b:20.0
occ:1.00
FE A:HEM142 0.0 20.0 1.0
NA A:HEM142 2.0 17.9 1.0
NB A:HEM142 2.0 14.6 1.0
ND A:HEM142 2.0 17.1 1.0
NC A:HEM142 2.0 19.1 1.0
NE2 A:HIS87 2.2 13.0 1.0
O A:HOH219 2.8 19.6 1.0
CE1 A:HIS87 3.0 5.4 1.0
C1A A:HEM142 3.0 16.6 1.0
C4D A:HEM142 3.1 17.7 1.0
C4A A:HEM142 3.1 15.7 1.0
C4B A:HEM142 3.1 14.8 1.0
C1B A:HEM142 3.1 10.9 1.0
C1C A:HEM142 3.1 19.1 1.0
C4C A:HEM142 3.1 19.9 1.0
C1D A:HEM142 3.1 17.7 1.0
CD2 A:HIS87 3.3 5.8 1.0
CHA A:HEM142 3.4 21.5 1.0
CHB A:HEM142 3.4 13.6 1.0
CHC A:HEM142 3.4 21.2 1.0
CHD A:HEM142 3.5 15.0 1.0
ND1 A:HIS87 4.2 10.8 1.0
C2A A:HEM142 4.3 17.6 1.0
C3A A:HEM142 4.3 14.0 1.0
C3D A:HEM142 4.3 20.2 1.0
C2C A:HEM142 4.3 14.1 1.0
C2B A:HEM142 4.3 11.0 1.0
C3C A:HEM142 4.3 14.7 1.0
C3B A:HEM142 4.3 12.5 1.0
C2D A:HEM142 4.3 21.5 1.0
CG A:HIS87 4.4 14.6 1.0
NE2 A:HIS58 4.4 16.6 1.0
CE1 A:HIS58 4.8 22.3 1.0
CD1 A:LEU91 4.8 22.1 1.0

Iron binding site 2 out of 4 in 1xzu

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Iron binding site 2 out of 4 in the T-to-Thigh Quaternary Transitions in Human Hemoglobin: ALPHAD94G Deoxy Low-Salt


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of T-to-Thigh Quaternary Transitions in Human Hemoglobin: ALPHAD94G Deoxy Low-Salt within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Fe147

b:11.8
occ:1.00
FE B:HEM147 0.0 11.8 1.0
NB B:HEM147 2.0 2.0 1.0
ND B:HEM147 2.0 8.6 1.0
NA B:HEM147 2.0 9.6 1.0
NC B:HEM147 2.0 7.7 1.0
NE2 B:HIS92 2.2 12.7 1.0
C4B B:HEM147 3.0 7.6 1.0
C1A B:HEM147 3.0 8.0 1.0
C4D B:HEM147 3.1 12.1 1.0
C1B B:HEM147 3.1 3.0 1.0
C4A B:HEM147 3.1 6.0 1.0
CE1 B:HIS92 3.1 7.3 1.0
C1D B:HEM147 3.1 11.6 1.0
C4C B:HEM147 3.1 2.4 1.0
C1C B:HEM147 3.1 2.0 1.0
CD2 B:HIS92 3.3 11.6 1.0
CHC B:HEM147 3.4 8.6 1.0
CHB B:HEM147 3.4 6.0 1.0
CHA B:HEM147 3.4 11.6 1.0
CHD B:HEM147 3.4 8.7 1.0
CG2 B:VAL67 4.1 2.0 1.0
ND1 B:HIS92 4.2 11.1 1.0
C3B B:HEM147 4.2 3.6 1.0
C2B B:HEM147 4.2 5.2 1.0
C2A B:HEM147 4.3 6.7 1.0
C3D B:HEM147 4.3 9.3 1.0
C3A B:HEM147 4.3 4.6 1.0
C2D B:HEM147 4.3 7.5 1.0
NE2 B:HIS63 4.3 25.2 1.0
C2C B:HEM147 4.3 2.0 1.0
C3C B:HEM147 4.3 2.5 1.0
CG B:HIS92 4.4 14.7 1.0
CD1 B:LEU96 5.0 2.0 1.0

Iron binding site 3 out of 4 in 1xzu

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Iron binding site 3 out of 4 in the T-to-Thigh Quaternary Transitions in Human Hemoglobin: ALPHAD94G Deoxy Low-Salt


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 3 of T-to-Thigh Quaternary Transitions in Human Hemoglobin: ALPHAD94G Deoxy Low-Salt within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Fe142

b:19.5
occ:1.00
FE C:HEM142 0.0 19.5 1.0
ND C:HEM142 2.0 14.6 1.0
NA C:HEM142 2.0 14.2 1.0
NC C:HEM142 2.0 13.6 1.0
NB C:HEM142 2.1 15.8 1.0
NE2 C:HIS87 2.2 13.0 1.0
CE1 C:HIS87 2.9 13.4 1.0
C4D C:HEM142 3.0 12.4 1.0
C1A C:HEM142 3.0 14.6 1.0
C1D C:HEM142 3.0 8.7 1.0
C4A C:HEM142 3.1 13.5 1.0
C4C C:HEM142 3.1 11.0 1.0
C1B C:HEM142 3.1 13.5 1.0
C4B C:HEM142 3.1 13.9 1.0
C1C C:HEM142 3.1 14.1 1.0
O C:HOH256 3.2 20.7 1.0
CHD C:HEM142 3.4 10.4 1.0
CHA C:HEM142 3.4 15.9 1.0
CD2 C:HIS87 3.4 16.3 1.0
CHB C:HEM142 3.5 16.0 1.0
CHC C:HEM142 3.5 12.2 1.0
ND1 C:HIS87 4.2 18.4 1.0
C3D C:HEM142 4.2 11.5 1.0
C2A C:HEM142 4.3 16.6 1.0
C2D C:HEM142 4.3 10.2 1.0
C3A C:HEM142 4.3 16.6 1.0
C3C C:HEM142 4.3 12.0 1.0
C2B C:HEM142 4.3 13.1 1.0
C3B C:HEM142 4.3 13.0 1.0
C2C C:HEM142 4.3 11.9 1.0
CG C:HIS87 4.4 16.4 1.0
CE1 C:HIS58 4.6 13.6 1.0
NE2 C:HIS58 4.7 17.5 1.0
CD1 C:LEU91 4.7 18.6 1.0

Iron binding site 4 out of 4 in 1xzu

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Iron binding site 4 out of 4 in the T-to-Thigh Quaternary Transitions in Human Hemoglobin: ALPHAD94G Deoxy Low-Salt


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 4 of T-to-Thigh Quaternary Transitions in Human Hemoglobin: ALPHAD94G Deoxy Low-Salt within 5.0Å range:
probe atom residue distance (Å) B Occ
D:Fe147

b:22.4
occ:1.00
FE D:HEM147 0.0 22.4 1.0
NB D:HEM147 2.0 19.7 1.0
ND D:HEM147 2.0 20.2 1.0
NC D:HEM147 2.0 21.9 1.0
NA D:HEM147 2.0 29.1 1.0
NE2 D:HIS92 2.2 21.1 1.0
CE1 D:HIS92 3.0 26.6 1.0
C4D D:HEM147 3.0 24.7 1.0
C1B D:HEM147 3.1 19.2 1.0
C4B D:HEM147 3.1 19.5 1.0
C1D D:HEM147 3.1 22.8 1.0
C4C D:HEM147 3.1 22.4 1.0
C4A D:HEM147 3.1 25.7 1.0
C1C D:HEM147 3.1 18.5 1.0
C1A D:HEM147 3.1 24.7 1.0
CD2 D:HIS92 3.3 17.6 1.0
CHB D:HEM147 3.4 23.5 1.0
CHA D:HEM147 3.4 26.0 1.0
CHC D:HEM147 3.4 21.4 1.0
CHD D:HEM147 3.4 22.0 1.0
NE2 D:HIS63 4.2 44.6 1.0
CG2 D:VAL67 4.2 22.9 1.0
ND1 D:HIS92 4.2 14.1 1.0
C3D D:HEM147 4.3 22.7 1.0
C2B D:HEM147 4.3 18.4 1.0
C3B D:HEM147 4.3 18.5 1.0
C2D D:HEM147 4.3 20.4 1.0
C2C D:HEM147 4.3 18.3 1.0
C3A D:HEM147 4.3 24.6 1.0
C3C D:HEM147 4.3 22.7 1.0
C2A D:HEM147 4.3 24.3 1.0
CG D:HIS92 4.4 18.1 1.0
CE1 D:HIS63 4.8 41.2 1.0
CD1 D:LEU96 5.0 21.3 1.0

Reference:

J.S.Kavanaugh, P.H.Rogers, A.Arnone. Crystallographic Evidence For A New Ensemble of Ligand-Induced Allosteric Transitions in Hemoglobin: the T-to-T(High) Quaternary Transitions. Biochemistry V. 44 6101 2005.
ISSN: ISSN 0006-2960
PubMed: 15835899
DOI: 10.1021/BI047813A
Page generated: Wed Jul 16 22:14:49 2025

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