Magnesium in PDB 1ssq: Serine Acetyltransferase- Complex with Cysteine

All present enzymatic activity of Serine Acetyltransferase- Complex with Cysteine:
2.3.1.30;

The structure of Serine Acetyltransferase- Complex with Cysteine, PDB code: 1ssq was solved by L.R.Olsen, B.Huang, M.W.Vetting, S.L.Roderick, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	22.90 / 1.85
Space group	H 3
Cell size a, b, c (Å), α, β, γ (°)	97.524, 97.524, 108.457, 90.00, 90.00, 120.00
R / Rfree (%)	19.8 / 26.1

The binding sites of Magnesium atom in the Serine Acetyltransferase- Complex with Cysteine (pdb code 1ssq). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the Serine Acetyltransferase- Complex with Cysteine, PDB code: 1ssq:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the Serine Acetyltransferase- Complex with Cysteine


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Serine Acetyltransferase- Complex with Cysteine within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg4001 b:20.9 occ:0.33 O A:HOH3006 2.1 10.4 1.0 OD1 A:ASP137 2.2 14.6 1.0 CG A:ASP137 3.1 16.9 1.0 OD2 A:ASP137 3.4 22.3 1.0 O A:VAL134 3.8 11.1 1.0 CB A:ASP137 4.5 13.4 1.0 O A:HOH3203 4.6 22.9 1.0 C A:VAL134 4.9 10.0 1.0

Magnesium binding site 2 out of 2 in the Serine Acetyltransferase- Complex with Cysteine


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Serine Acetyltransferase- Complex with Cysteine within 5.0Å range: probe atom residue distance (Å) B Occ D:Mg4000 b:20.9 occ:0.33 O D:HOH3043 1.9 15.8 1.0 OD2 D:ASP137 2.3 17.1 1.0 CG D:ASP137 3.2 16.3 1.0 OD1 D:ASP137 3.5 16.9 1.0 O D:VAL134 3.8 11.3 1.0 O D:HOH3088 4.3 14.7 1.0 CB D:ASP137 4.6 11.9 1.0 C D:VAL134 4.9 10.3 1.0

L.R.Olsen, B.Huang, M.W.Vetting, S.L.Roderick. Structure of Serine Acetyltransferase in Complexes with Coa and Its Cysteine Feedback Inhibitor Biochemistry V. 43 6013 2004.
ISSN: ISSN 0006-2960
PubMed: 15147185
DOI: 10.1021/BI0358521