Magnesium in PDB 1itz: Maize Transketolase in Complex with Tpp

All present enzymatic activity of Maize Transketolase in Complex with Tpp:
2.2.1.1;

The structure of Maize Transketolase in Complex with Tpp, PDB code: 1itz was solved by S.Gerhardt, S.Echt, G.Bader, J.Freigang, M.Busch, A.Bacher, R.Huber, M.Fischer, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	33.52 / 2.30
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	136.438, 136.438, 203.731, 90.00, 90.00, 120.00
R / Rfree (%)	16.6 / 20

The binding sites of Magnesium atom in the Maize Transketolase in Complex with Tpp (pdb code 1itz). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 3 binding sites of Magnesium where determined in the Maize Transketolase in Complex with Tpp, PDB code: 1itz:
Jump to Magnesium binding site number: 1; 2; 3;

Magnesium binding site 1 out of 3 in the Maize Transketolase in Complex with Tpp


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Maize Transketolase in Complex with Tpp within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1001 b:16.4 occ:1.00 O A:ILE200 2.1 21.2 1.0 O A:HOH1009 2.3 9.1 1.0 OD1 A:ASP168 2.3 13.6 1.0 O1B A:TPP1002 2.3 21.7 1.0 O2A A:TPP1002 2.4 20.1 1.0 OD1 A:ASN198 2.4 17.7 1.0 CG A:ASN198 3.3 20.9 1.0 C A:ILE200 3.3 21.6 1.0 CG A:ASP168 3.3 11.3 1.0 PB A:TPP1002 3.4 17.8 1.0 PA A:TPP1002 3.4 18.6 1.0 O3A A:TPP1002 3.5 20.5 1.0 ND2 A:ASN198 3.5 18.8 1.0 CB A:ASP168 3.7 10.4 1.0 N A:ILE200 3.9 20.5 1.0 O3B A:TPP1002 3.9 16.8 1.0 N A:ASP168 4.0 15.2 1.0 O A:HOH1045 4.0 11.6 1.0 CA A:ILE200 4.1 22.1 1.0 O7 A:TPP1002 4.3 25.8 1.0 N A:SER201 4.3 20.2 1.0 OD2 A:ASP168 4.4 15.8 1.0 CA A:SER201 4.5 22.6 1.0 CA A:ASP168 4.5 15.3 1.0 O A:ASP196 4.5 18.1 1.0 CB A:ILE200 4.6 20.8 1.0 O1A A:TPP1002 4.6 24.0 1.0 CB A:ASN198 4.7 18.6 1.0 O2B A:TPP1002 4.7 20.1 1.0 N A:HIS199 4.7 20.1 1.0 N A:ASN198 4.8 19.6 1.0 C A:ASN198 4.9 19.9 1.0 CA A:ASN198 5.0 19.4 1.0

Magnesium binding site 2 out of 3 in the Maize Transketolase in Complex with Tpp


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Maize Transketolase in Complex with Tpp within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg1002 b:19.9 occ:1.00 O B:ILE200 2.2 22.6 1.0 O1B B:TPP1003 2.2 21.9 1.0 OD1 B:ASN198 2.3 20.7 1.0 O B:HOH1146 2.3 22.1 1.0 O2A B:TPP1003 2.3 22.9 1.0 OD1 B:ASP168 2.3 13.0 1.0 CG B:ASN198 3.2 21.9 1.0 PB B:TPP1003 3.3 21.5 1.0 O3A B:TPP1003 3.3 23.9 1.0 PA B:TPP1003 3.4 24.7 1.0 C B:ILE200 3.4 22.7 1.0 CG B:ASP168 3.4 18.2 1.0 ND2 B:ASN198 3.4 17.4 1.0 CB B:ASP168 3.9 12.4 1.0 O3B B:TPP1003 3.9 21.2 1.0 N B:ILE200 3.9 21.8 1.0 N B:ASP168 4.1 16.4 1.0 O B:HOH1079 4.1 15.6 1.0 CA B:ILE200 4.1 23.0 1.0 O7 B:TPP1003 4.3 24.5 1.0 N B:SER201 4.4 20.0 1.0 O1A B:TPP1003 4.4 25.0 1.0 OD2 B:ASP168 4.4 21.2 1.0 O B:ASP196 4.5 20.4 1.0 CA B:SER201 4.6 21.8 1.0 CB B:ASN198 4.6 19.1 1.0 CB B:ILE200 4.6 22.4 1.0 O2B B:TPP1003 4.6 19.7 1.0 CA B:ASP168 4.6 14.8 1.0 N B:ASN198 4.7 23.1 1.0 N B:HIS199 4.8 23.7 1.0 C B:ASN198 4.9 23.3 1.0 CA B:ASN198 4.9 22.3 1.0

Magnesium binding site 3 out of 3 in the Maize Transketolase in Complex with Tpp


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 3 of Maize Transketolase in Complex with Tpp within 5.0Å range: probe atom residue distance (Å) B Occ C:Mg1003 b:12.6 occ:1.00 O C:ILE200 2.1 24.5 1.0 O C:HOH1118 2.2 13.3 1.0 O1B C:TPP1004 2.2 19.6 1.0 O2A C:TPP1004 2.3 21.7 1.0 OD1 C:ASP168 2.3 20.7 1.0 OD1 C:ASN198 2.4 20.7 1.0 C C:ILE200 3.3 22.9 1.0 CG C:ASN198 3.3 21.3 1.0 CG C:ASP168 3.3 19.9 1.0 PB C:TPP1004 3.3 20.3 1.0 PA C:TPP1004 3.4 23.7 1.0 O3A C:TPP1004 3.4 23.3 1.0 ND2 C:ASN198 3.6 17.1 1.0 CB C:ASP168 3.7 14.9 1.0 N C:ILE200 3.9 23.9 1.0 O3B C:TPP1004 3.9 17.4 1.0 N C:ASP168 4.0 15.1 1.0 CA C:ILE200 4.1 21.8 1.0 O7 C:TPP1004 4.1 26.6 1.0 N C:SER201 4.3 20.7 1.0 O C:HOH1099 4.3 23.1 1.0 CA C:SER201 4.4 22.8 1.0 OD2 C:ASP168 4.4 18.2 1.0 CA C:ASP168 4.5 16.1 1.0 O1A C:TPP1004 4.5 24.8 1.0 CB C:ILE200 4.6 23.4 1.0 O2B C:TPP1004 4.6 17.2 1.0 O C:ASP196 4.6 19.7 1.0 CB C:ASN198 4.7 19.9 1.0 N C:ASN198 4.8 21.1 1.0 N C:HIS199 4.8 24.8 1.0 CB C:SER201 4.9 20.0 1.0 C C:ASN198 5.0 22.8 1.0

S.Gerhardt, S.Echt, M.Busch, J.Freigang, G.Auerbach, G.Bader, W.F.Martin, A.Bacher, R.Huber, M.Fischer. Structure and Properties of An Engineered Transketolase From Maize Plant Physiol. V. 132 1941 2003.
ISSN: ISSN 0032-0889
PubMed: 12913150
DOI: 10.1104/PP.103.020982