Calcium in PDB 1ay0: Identification of Catalytically Important Residues in Yeast Transketolase

All present enzymatic activity of Identification of Catalytically Important Residues in Yeast Transketolase:
2.2.1.1;

The structure of Identification of Catalytically Important Residues in Yeast Transketolase, PDB code: 1ay0 was solved by C.Wikner, U.Nilsson, L.Meshalkina, C.Udekwu, Y.Lindqvist, G.Schneider, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	5.50 / 2.60
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	76.100, 113.600, 162.000, 90.00, 90.00, 90.00
R / Rfree (%)	19.3 / 26.3

The binding sites of Calcium atom in the Identification of Catalytically Important Residues in Yeast Transketolase (pdb code 1ay0). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Identification of Catalytically Important Residues in Yeast Transketolase, PDB code: 1ay0:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Identification of Catalytically Important Residues in Yeast Transketolase


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Identification of Catalytically Important Residues in Yeast Transketolase within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca681 b:18.1 occ:1.00 O3B A:TPP682 2.1 27.7 1.0 OD1 A:ASN187 2.3 16.5 1.0 OD2 A:ASP157 2.4 16.3 1.0 O A:ILE189 2.5 25.8 1.0 O1A A:TPP682 2.7 22.0 1.0 CG A:ASN187 3.2 20.1 1.0 PB A:TPP682 3.4 26.4 1.0 ND2 A:ASN187 3.4 15.7 1.0 CG A:ASP157 3.6 14.4 1.0 PA A:TPP682 3.6 26.4 1.0 C A:ILE189 3.6 26.1 1.0 O3A A:TPP682 3.6 25.6 1.0 O2B A:TPP682 4.0 26.9 1.0 CB A:ASP157 4.1 14.8 1.0 CG2 A:THR190 4.2 25.0 1.0 N A:ASP157 4.3 11.5 1.0 N A:ILE189 4.3 26.2 1.0 O2A A:TPP682 4.3 26.6 1.0 CA A:ILE189 4.5 26.8 1.0 O1B A:TPP682 4.5 27.8 1.0 CB A:ASN187 4.6 15.4 1.0 N A:THR190 4.6 25.7 1.0 OD1 A:ASP157 4.6 17.2 1.0 O A:ASP185 4.6 17.7 1.0 CA A:THR190 4.7 27.6 1.0 N A:ASN187 4.8 17.9 1.0 CA A:ASP157 4.8 13.2 1.0 O7 A:TPP682 4.9 28.8 1.0 CA A:ASN187 4.9 19.2 1.0 CB A:ILE189 5.0 29.7 1.0

Calcium binding site 2 out of 2 in the Identification of Catalytically Important Residues in Yeast Transketolase


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Identification of Catalytically Important Residues in Yeast Transketolase within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca681 b:23.3 occ:1.00 OD2 B:ASP157 2.1 18.2 1.0 O B:ILE189 2.2 24.1 1.0 OD1 B:ASN187 2.3 18.0 1.0 O2B B:TPP682 2.6 26.1 1.0 O1A B:TPP682 2.9 24.9 1.0 CG B:ASN187 3.3 15.6 1.0 CG B:ASP157 3.3 15.7 1.0 C B:ILE189 3.5 25.5 1.0 PB B:TPP682 3.5 26.9 1.0 O3A B:TPP682 3.5 26.9 1.0 ND2 B:ASN187 3.5 19.3 1.0 PA B:TPP682 3.7 24.0 1.0 O3B B:TPP682 3.9 32.1 1.0 CB B:ASP157 4.0 13.3 1.0 N B:ILE189 4.1 25.9 1.0 N B:ASP157 4.2 8.6 1.0 OD1 B:ASP157 4.2 15.9 1.0 CG2 B:THR190 4.3 27.8 1.0 CA B:ILE189 4.3 24.2 1.0 N B:THR190 4.4 25.5 1.0 O2A B:TPP682 4.5 22.7 1.0 O B:ASP185 4.6 9.9 1.0 CA B:THR190 4.6 26.1 1.0 CB B:ASN187 4.6 14.6 1.0 CA B:ASP157 4.7 10.7 1.0 O1B B:TPP682 4.8 27.8 1.0 N B:LYS188 4.8 21.0 1.0 N B:ASN187 4.9 14.6 1.0 CB B:ILE189 4.9 25.1 1.0 O7 B:TPP682 4.9 24.5 1.0 CA B:ASN187 5.0 15.2 1.0

C.Wikner, U.Nilsson, L.Meshalkina, C.Udekwu, Y.Lindqvist, G.Schneider. Identification of Catalytically Important Residues in Yeast Transketolase. Biochemistry V. 36 15643 1997.
ISSN: ISSN 0006-2960
PubMed: 9398292
DOI: 10.1021/BI971606B