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Iron in PDB 2a9e: Helicobacter Pylori Catalase Compound I

Enzymatic activity of Helicobacter Pylori Catalase Compound I

All present enzymatic activity of Helicobacter Pylori Catalase Compound I:
1.11.1.6;

Protein crystallography data

The structure of Helicobacter Pylori Catalase Compound I, PDB code: 2a9e was solved by P.C.Loewen, X.Carpena, I.Fita, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 37.00 / 1.76
Space group P 21 21 2
Cell size a, b, c (Å), α, β, γ (°) 64.385, 154.286, 95.808, 90.00, 90.00, 90.00
R / Rfree (%) 13.7 / 17.8

Iron Binding Sites:

The binding sites of Iron atom in the Helicobacter Pylori Catalase Compound I (pdb code 2a9e). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the Helicobacter Pylori Catalase Compound I, PDB code: 2a9e:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in 2a9e

Go back to Iron Binding Sites List in 2a9e
Iron binding site 1 out of 2 in the Helicobacter Pylori Catalase Compound I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Helicobacter Pylori Catalase Compound I within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Fe550

b:3.9
occ:1.00
FE A:HEM550 0.0 3.9 1.0
O A:O551 1.8 16.9 1.0
OH A:TYR339 1.9 6.9 1.0
ND A:HEM550 1.9 2.0 1.0
NB A:HEM550 2.0 4.7 1.0
NA A:HEM550 2.1 2.0 1.0
NC A:HEM550 2.1 3.8 1.0
CZ A:TYR339 2.9 4.0 1.0
C4D A:HEM550 2.9 3.0 1.0
C1D A:HEM550 3.0 3.0 1.0
C4B A:HEM550 3.0 5.9 1.0
C1A A:HEM550 3.0 2.1 1.0
C1B A:HEM550 3.1 2.0 1.0
C4C A:HEM550 3.1 6.1 1.0
C4A A:HEM550 3.1 5.1 1.0
C1C A:HEM550 3.1 7.0 1.0
CHD A:HEM550 3.4 3.5 1.0
CHA A:HEM550 3.4 3.1 1.0
CHC A:HEM550 3.4 8.5 1.0
CHB A:HEM550 3.4 4.3 1.0
CE1 A:TYR339 3.7 8.0 1.0
CE2 A:TYR339 3.8 10.8 1.0
NE A:ARG335 4.1 6.8 1.0
C3D A:HEM550 4.2 2.0 1.0
O A:HOH1319 4.2 9.9 1.0
NH2 A:ARG335 4.2 7.9 1.0
C3B A:HEM550 4.2 2.0 1.0
C2D A:HEM550 4.2 2.0 1.0
C2B A:HEM550 4.3 2.7 1.0
C2A A:HEM550 4.3 2.0 1.0
C3C A:HEM550 4.3 5.6 1.0
C3A A:HEM550 4.3 5.4 1.0
CZ A:PHE142 4.3 8.2 1.0
C2C A:HEM550 4.4 7.1 1.0
NE2 A:HIS56 4.5 8.3 1.0
CG2 A:VAL55 4.6 6.4 1.0
CZ A:ARG335 4.6 6.6 1.0
CD2 A:HIS56 4.6 6.0 1.0
CE1 A:PHE142 4.8 6.5 1.0
CE2 A:PHE142 4.9 11.1 1.0
CD1 A:TYR339 5.0 6.4 1.0

Iron binding site 2 out of 2 in 2a9e

Go back to Iron Binding Sites List in 2a9e
Iron binding site 2 out of 2 in the Helicobacter Pylori Catalase Compound I


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Helicobacter Pylori Catalase Compound I within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Fe550

b:2.1
occ:1.00
FE B:HEM550 0.0 2.1 1.0
O B:O551 1.9 10.5 1.0
OH B:TYR339 2.0 7.6 1.0
ND B:HEM550 2.0 2.0 1.0
NB B:HEM550 2.0 2.0 1.0
NC B:HEM550 2.1 3.3 1.0
NA B:HEM550 2.1 2.0 1.0
CZ B:TYR339 3.0 7.8 1.0
C1D B:HEM550 3.0 2.9 1.0
C4C B:HEM550 3.0 4.9 1.0
C1B B:HEM550 3.0 2.0 1.0
C4B B:HEM550 3.0 3.5 1.0
C4D B:HEM550 3.0 2.5 1.0
C4A B:HEM550 3.1 2.0 1.0
C1A B:HEM550 3.1 2.0 1.0
C1C B:HEM550 3.2 8.1 1.0
CHD B:HEM550 3.3 2.0 1.0
CHB B:HEM550 3.4 2.0 1.0
CHC B:HEM550 3.4 6.1 1.0
CHA B:HEM550 3.5 2.0 1.0
CE1 B:TYR339 3.7 7.3 1.0
CE2 B:TYR339 3.8 7.7 1.0
O B:HOH959 4.1 12.0 1.0
NE B:ARG335 4.1 7.1 1.0
NH2 B:ARG335 4.2 7.0 1.0
C3B B:HEM550 4.2 2.0 1.0
CZ B:PHE142 4.3 7.6 1.0
C2D B:HEM550 4.3 2.4 1.0
C2B B:HEM550 4.3 2.0 1.0
C3A B:HEM550 4.3 2.0 1.0
C3C B:HEM550 4.3 8.9 1.0
C3D B:HEM550 4.3 2.0 1.0
C2A B:HEM550 4.3 2.0 1.0
C2C B:HEM550 4.4 6.8 1.0
NE2 B:HIS56 4.5 7.8 1.0
CG2 B:VAL55 4.6 4.4 1.0
CZ B:ARG335 4.6 6.4 1.0
CD2 B:HIS56 4.7 7.2 1.0
CE1 B:PHE142 4.7 5.7 1.0
CE2 B:PHE142 4.8 10.1 1.0
CD1 B:TYR339 5.0 4.5 1.0

Reference:

P.C.Loewen, X.Carpena, I.Fita. Helicobacter Pylori Catalase Compound I To Be Published.
Page generated: Wed Jul 16 23:24:53 2025

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