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Magnesium in PDB 1ch8: Structure of Adenylosuccinate Synthetase From E. Coli Complexed with A Stringent Effector, PPG2':3'P

Enzymatic activity of Structure of Adenylosuccinate Synthetase From E. Coli Complexed with A Stringent Effector, PPG2':3'P

All present enzymatic activity of Structure of Adenylosuccinate Synthetase From E. Coli Complexed with A Stringent Effector, PPG2':3'P:
6.3.4.4;

Protein crystallography data

The structure of Structure of Adenylosuccinate Synthetase From E. Coli Complexed with A Stringent Effector, PPG2':3'P, PDB code: 1ch8 was solved by Z.Hou, M.Cashel, H.J.Fromm, R.B.Honzatko, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 5.00 / 2.50
Space group P 32 2 1
Cell size a, b, c (Å), α, β, γ (°) 80.300, 80.300, 158.200, 90.00, 90.00, 120.00
R / Rfree (%) 19 / 25

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Structure of Adenylosuccinate Synthetase From E. Coli Complexed with A Stringent Effector, PPG2':3'P (pdb code 1ch8). 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 Structure of Adenylosuccinate Synthetase From E. Coli Complexed with A Stringent Effector, PPG2':3'P, PDB code: 1ch8:

Magnesium binding site 1 out of 1 in 1ch8

Go back to Magnesium Binding Sites List in 1ch8
Magnesium binding site 1 out of 1 in the Structure of Adenylosuccinate Synthetase From E. Coli Complexed with A Stringent Effector, PPG2':3'P


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Structure of Adenylosuccinate Synthetase From E. Coli Complexed with A Stringent Effector, PPG2':3'P within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg434

b:10.5
occ:1.00
 O A:GLY40 2.0 20.7 1.0
O2B A:GPX432 2.1 14.2 1.0
O A:HDA437 2.2 20.2 1.0
O1A A:GPX432 2.3 18.3 1.0
O2 A:NO3433 2.3 18.4 1.0
OD1 A:ASP13 2.5 8.8 1.0
C A:HDA437 2.9 23.3 1.0
N A:NO3433 3.2 22.8 1.0
C A:GLY40 3.2 17.4 1.0
O3 A:NO3433 3.3 24.6 1.0
CG A:ASP13 3.4 11.3 1.0
PB A:GPX432 3.4 22.5 1.0
PA A:GPX432 3.5 20.9 1.0
NH2 A:ARG305 3.8 26.8 1.0
O3A A:GPX432 3.8 17.4 1.0
N A:GLY40 3.8 7.8 1.0
CA A:GLY40 4.0 12.6 1.0
NA A:HDA437 4.0 25.5 1.0
CB A:ASP13 4.0 7.5 1.0
CA A:ASP13 4.0 11.8 1.0
OB A:HDA437 4.1 23.1 1.0
N A:HIS41 4.2 17.2 1.0
N A:ASP13 4.3 13.2 1.0
O3B A:GPX432 4.3 23.4 1.0
OD2 A:ASP13 4.3 14.6 1.0
O1B A:GPX432 4.4 22.0 1.0
CA A:HIS41 4.4 18.1 1.0
O1 A:NO3433 4.4 24.6 1.0
N1 A:IMP440 4.4 12.9 1.0
O2A A:GPX432 4.4 19.4 1.0
CB A:ALA299 4.5 25.3 1.0
ND1 A:HIS41 4.5 18.2 1.0
O A:HOH863 4.6 29.8 1.0
O5' A:GPX432 4.6 25.1 1.0
O6 A:IMP440 4.9 7.7 1.0
CZ A:ARG305 4.9 28.1 1.0
C A:ALA39 5.0 6.0 1.0

Reference:

Z.Hou, M.Cashel, H.J.Fromm, R.B.Honzatko. Effectors of the Stringent Response Target the Active Site of Escherichia Coli Adenylosuccinate Synthetase. J.Biol.Chem. V. 274 17505 1999.
ISSN: ISSN 0021-9258
PubMed: 10364182
DOI: 10.1074/JBC.274.25.17505
Page generated: Sat Aug 9 20:23:19 2025

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