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Magnesium in PDB 3ahg: H64A Mutant of Phosphoketolase From Bifidobacterium Breve Complexed with A Tricyclic Ring Form of Thiamine Diphosphate

Enzymatic activity of H64A Mutant of Phosphoketolase From Bifidobacterium Breve Complexed with A Tricyclic Ring Form of Thiamine Diphosphate

All present enzymatic activity of H64A Mutant of Phosphoketolase From Bifidobacterium Breve Complexed with A Tricyclic Ring Form of Thiamine Diphosphate:
4.1.2.22;

Protein crystallography data

The structure of H64A Mutant of Phosphoketolase From Bifidobacterium Breve Complexed with A Tricyclic Ring Form of Thiamine Diphosphate, PDB code: 3ahg was solved by R.Suzuki, T.Katayama, B.-J.Kim, T.Wakagi, H.Shoun, H.Ashida, K.Yamamoto, S.Fushinobu, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 33.50 / 1.90
Space group I 4 2 2
Cell size a, b, c (Å), α, β, γ (°) 175.035, 175.035, 163.597, 90.00, 90.00, 90.00
R / Rfree (%) 16.3 / 20.5

Other elements in 3ahg:

The structure of H64A Mutant of Phosphoketolase From Bifidobacterium Breve Complexed with A Tricyclic Ring Form of Thiamine Diphosphate also contains other interesting chemical elements:

Sodium (Na) 1 atom

Magnesium Binding Sites:

The binding sites of Magnesium atom in the H64A Mutant of Phosphoketolase From Bifidobacterium Breve Complexed with A Tricyclic Ring Form of Thiamine Diphosphate (pdb code 3ahg). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the H64A Mutant of Phosphoketolase From Bifidobacterium Breve Complexed with A Tricyclic Ring Form of Thiamine Diphosphate, PDB code: 3ahg:

Magnesium binding site 1 out of 1 in 3ahg

Go back to Magnesium Binding Sites List in 3ahg
Magnesium binding site 1 out of 1 in the H64A Mutant of Phosphoketolase From Bifidobacterium Breve Complexed with A Tricyclic Ring Form of Thiamine Diphosphate


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of H64A Mutant of Phosphoketolase From Bifidobacterium Breve Complexed with A Tricyclic Ring Form of Thiamine Diphosphate within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg826

b:20.4
occ:1.00
 O2A A:HTD827 2.0 18.4 1.0
OD1 A:ASP182 2.1 19.3 1.0
O1B A:HTD827 2.1 19.5 1.0
O A:HOH1239 2.1 20.3 1.0
OD1 A:ASN215 2.2 18.3 1.0
O A:TYR217 2.2 18.4 1.0
PB A:HTD827 3.1 20.4 1.0
CG A:ASN215 3.1 17.7 1.0
PA A:HTD827 3.2 20.8 1.0
CG A:ASP182 3.3 21.1 1.0
C A:TYR217 3.4 18.6 1.0
O3A A:HTD827 3.4 18.8 1.0
ND2 A:ASN215 3.5 20.6 1.0
O3B A:HTD827 3.6 21.1 1.0
OD2 A:ASP182 3.9 18.4 1.0
N A:ASP182 3.9 17.9 1.0
N A:TYR217 4.0 18.9 1.0
O7 A:HTD827 4.1 19.5 1.0
N A:GLY183 4.1 18.6 1.0
O A:HIS213 4.1 18.2 1.0
NZ A:LYS300 4.1 18.9 1.0
O1A A:HTD827 4.2 18.4 1.0
O2B A:HTD827 4.3 20.8 1.0
N A:LYS218 4.3 19.3 1.0
CA A:TYR217 4.3 19.6 1.0
CA A:LYS218 4.4 18.1 1.0
CB A:ASP182 4.4 17.3 1.0
CG2 A:THR223 4.4 17.8 1.0
N A:ASN215 4.5 18.9 1.0
CA A:ASP182 4.5 18.7 1.0
CB A:ASN215 4.5 17.3 1.0
CD A:LYS300 4.6 16.3 1.0
N A:GLY216 4.7 19.8 1.0
C A:ASP182 4.8 19.4 1.0
CA A:ASN215 4.8 18.3 1.0
C A:ASN215 4.8 18.4 1.0
CE A:LYS300 4.9 20.5 1.0
C A:GLY181 4.9 18.4 1.0

Reference:

R.Suzuki, T.Katayama, B.-J.Kim, T.Wakagi, H.Shoun, H.Ashida, K.Yamamoto, S.Fushinobu. Crystal Structures of Phosphoketolase: Thiamine Diphosphate-Dependent Dehydration Mechanism J.Biol.Chem. V. 285 34279 2010.
ISSN: ISSN 0021-9258
PubMed: 20739284
DOI: 10.1074/JBC.M110.156281
Page generated: Sun Aug 10 17:27:28 2025

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