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Iron in PDB 5txq: Crystal Structure of the A143D Variant of Catalase-Peroxidase From B. Pseudomallei

Enzymatic activity of Crystal Structure of the A143D Variant of Catalase-Peroxidase From B. Pseudomallei

All present enzymatic activity of Crystal Structure of the A143D Variant of Catalase-Peroxidase From B. Pseudomallei:
1.11.1.21;

Protein crystallography data

The structure of Crystal Structure of the A143D Variant of Catalase-Peroxidase From B. Pseudomallei, PDB code: 5txq was solved by P.C.Loewen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 96.13 / 1.90
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 100.670, 115.117, 174.738, 90.00, 90.00, 90.00
R / Rfree (%) 15.7 / 19.1

Other elements in 5txq:

The structure of Crystal Structure of the A143D Variant of Catalase-Peroxidase From B. Pseudomallei also contains other interesting chemical elements:

Sodium (Na) 2 atoms

Iron Binding Sites:

The binding sites of Iron atom in the Crystal Structure of the A143D Variant of Catalase-Peroxidase From B. Pseudomallei (pdb code 5txq). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the Crystal Structure of the A143D Variant of Catalase-Peroxidase From B. Pseudomallei, PDB code: 5txq:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in 5txq

Go back to Iron Binding Sites List in 5txq
Iron binding site 1 out of 2 in the Crystal Structure of the A143D Variant of Catalase-Peroxidase From B. Pseudomallei


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 the A143D Variant of Catalase-Peroxidase From B. Pseudomallei within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Fe801

b:21.8
occ:1.00
FE A:HEM801 0.0 21.8 1.0
ND A:HEM801 2.0 22.1 1.0
NE2 A:HIS279 2.0 22.5 1.0
NA A:HEM801 2.1 23.6 1.0
NB A:HEM801 2.1 24.3 1.0
NC A:HEM801 2.1 21.7 1.0
O2 A:TOX111 2.8 30.3 0.9
CE1 A:HIS279 3.0 22.3 1.0
C1D A:HEM801 3.0 19.3 1.0
C1B A:HEM801 3.0 24.0 1.0
C4D A:HEM801 3.0 20.7 1.0
C4C A:HEM801 3.1 18.8 1.0
C4B A:HEM801 3.1 23.2 1.0
C4A A:HEM801 3.1 23.5 1.0
CD2 A:HIS279 3.1 21.5 1.0
C1A A:HEM801 3.1 22.0 1.0
C1C A:HEM801 3.1 20.1 1.0
CHB A:HEM801 3.4 24.2 1.0
CHD A:HEM801 3.4 19.0 1.0
CHC A:HEM801 3.4 20.6 1.0
CHA A:HEM801 3.4 21.9 1.0
O1 A:TOX111 3.6 27.4 0.9
O1 A:OXY803 4.1 48.1 1.0
ND1 A:HIS279 4.1 21.5 1.0
CG A:HIS279 4.2 21.7 1.0
C2D A:HEM801 4.3 20.0 1.0
C3D A:HEM801 4.3 20.9 1.0
C2B A:HEM801 4.3 24.3 1.0
C3A A:HEM801 4.3 23.2 1.0
NE1 A:TOX111 4.3 21.7 1.0
C2A A:HEM801 4.3 22.6 1.0
C3C A:HEM801 4.3 20.1 1.0
C3B A:HEM801 4.3 21.9 1.0
C2C A:HEM801 4.4 19.2 1.0
CD1 A:TOX111 4.5 21.2 1.0
O A:HOH1311 5.0 29.9 1.0
O2 A:OXY803 5.0 48.1 1.0

Iron binding site 2 out of 2 in 5txq

Go back to Iron Binding Sites List in 5txq
Iron binding site 2 out of 2 in the Crystal Structure of the A143D Variant of Catalase-Peroxidase From B. Pseudomallei


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 the A143D Variant of Catalase-Peroxidase From B. Pseudomallei within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Fe801

b:19.7
occ:1.00
FE B:HEM801 0.0 19.7 1.0
ND B:HEM801 2.0 18.6 1.0
NA B:HEM801 2.0 18.3 1.0
NB B:HEM801 2.0 18.7 1.0
NC B:HEM801 2.0 18.5 1.0
NE2 B:HIS279 2.1 20.6 1.0
O2 B:TOX111 2.8 26.9 1.0
C4B B:HEM801 3.0 20.2 1.0
C1A B:HEM801 3.0 17.1 1.0
C4D B:HEM801 3.0 17.2 1.0
C1B B:HEM801 3.0 19.9 1.0
C1C B:HEM801 3.0 18.5 1.0
C1D B:HEM801 3.0 17.7 1.0
C4A B:HEM801 3.0 18.8 1.0
C4C B:HEM801 3.1 19.2 1.0
CE1 B:HIS279 3.1 17.9 1.0
CD2 B:HIS279 3.1 19.7 1.0
CHA B:HEM801 3.3 16.6 1.0
CHC B:HEM801 3.4 19.3 1.0
CHB B:HEM801 3.4 18.7 1.0
CHD B:HEM801 3.5 19.3 1.0
O1 B:TOX111 3.7 26.1 1.0
O1 B:OXY803 4.0 34.5 1.0
ND1 B:HIS279 4.2 19.5 1.0
C3D B:HEM801 4.2 18.0 1.0
C2C B:HEM801 4.2 17.8 1.0
C2D B:HEM801 4.2 17.6 1.0
C2A B:HEM801 4.2 17.9 1.0
CG B:HIS279 4.2 20.3 1.0
C2B B:HEM801 4.2 19.0 1.0
C3B B:HEM801 4.2 20.2 1.0
C3A B:HEM801 4.3 18.6 1.0
C3C B:HEM801 4.3 18.7 1.0
NE1 B:TOX111 4.4 22.9 1.0
CD1 B:TOX111 4.6 20.5 1.0

Reference:

M.Machuqueiro, B.Victor, J.Switala, J.Villanueva, C.Rovira, I.Fita, P.C.Loewen. The Catalase Activity of Catalase-Peroxidases Is Modulated By Changes in the Pka of the Distal Histidine. Biochemistry V. 56 2271 2017.
ISSN: ISSN 1520-4995
PubMed: 28409923
DOI: 10.1021/ACS.BIOCHEM.6B01276
Page generated: Sun Dec 13 16:12:53 2020

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