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Magnesium in PDB 1zca: Crystal Structure of G Alpha 12 in Complex with Gdp, MG2+ and ALF4-

Protein crystallography data

The structure of Crystal Structure of G Alpha 12 in Complex with Gdp, MG2+ and ALF4-, PDB code: 1zca was solved by M.R.Nance, J.J.G.Tesmer, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 29.10 / 2.90
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 57.501, 85.230, 82.885, 90.00, 106.09, 90.00
R / Rfree (%) 23.6 / 29.6

Other elements in 1zca:

The structure of Crystal Structure of G Alpha 12 in Complex with Gdp, MG2+ and ALF4- also contains other interesting chemical elements:

Fluorine (F) 8 atoms
Aluminium (Al) 2 atoms

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Crystal Structure of G Alpha 12 in Complex with Gdp, MG2+ and ALF4- (pdb code 1zca). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the Crystal Structure of G Alpha 12 in Complex with Gdp, MG2+ and ALF4-, PDB code: 1zca:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in 1zca

Go back to Magnesium Binding Sites List in 1zca
Magnesium binding site 1 out of 2 in the Crystal Structure of G Alpha 12 in Complex with Gdp, MG2+ and ALF4-


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structure of G Alpha 12 in Complex with Gdp, MG2+ and ALF4- within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg383

b:22.7
occ:1.00
O A:HOH387 1.8 53.8 1.0
F4 A:ALF384 1.8 33.5 1.0
OG1 A:THR206 2.1 32.4 1.0
OG A:SER69 2.1 25.2 1.0
O A:HOH386 2.2 13.7 1.0
O2B A:GDP382 2.3 19.1 1.0
F1 A:ALF384 3.0 33.5 1.0
CB A:THR206 3.0 31.8 1.0
AL A:ALF384 3.1 34.1 1.0
PB A:GDP382 3.5 16.9 1.0
O3B A:GDP382 3.5 17.2 1.0
CB A:SER69 3.5 25.3 1.0
N A:THR206 3.8 31.0 1.0
OD2 A:ASP225 3.9 39.4 1.0
O2A A:GDP382 4.0 19.9 1.0
N A:SER69 4.0 25.8 1.0
CA A:THR206 4.0 31.8 1.0
CG2 A:THR206 4.1 31.5 1.0
OD1 A:ASP225 4.1 42.3 1.0
F2 A:ALF384 4.1 34.2 1.0
O A:HOH385 4.2 35.5 1.0
CA A:SER69 4.3 25.8 1.0
O A:LYS204 4.4 26.8 1.0
CG A:ASP225 4.4 40.7 1.0
O A:VAL226 4.5 36.2 1.0
O1B A:GDP382 4.5 15.9 1.0
O3A A:GDP382 4.5 19.6 1.0
PA A:GDP382 4.6 20.7 1.0
CB A:LYS68 4.6 27.5 1.0
O1A A:GDP382 4.7 19.3 1.0
CE A:LYS68 4.7 26.0 1.0
F3 A:ALF384 4.8 33.7 1.0
C A:ALA205 4.9 29.9 1.0

Magnesium binding site 2 out of 2 in 1zca

Go back to Magnesium Binding Sites List in 1zca
Magnesium binding site 2 out of 2 in the Crystal Structure of G Alpha 12 in Complex with Gdp, MG2+ and ALF4-


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Crystal Structure of G Alpha 12 in Complex with Gdp, MG2+ and ALF4- within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Mg1383

b:27.2
occ:1.00
F4 B:ALF1384 1.8 45.1 1.0
O B:HOH1387 2.0 60.1 1.0
O2B B:GDP1382 2.1 26.9 1.0
O B:HOH1386 2.2 18.1 1.0
OG B:SER69 2.5 28.3 1.0
O3B B:GDP1382 2.5 27.9 1.0
F1 B:ALF1384 2.6 44.6 1.0
AL B:ALF1384 2.7 44.5 1.0
PB B:GDP1382 2.8 27.2 1.0
OG1 B:THR206 2.9 34.3 1.0
CB B:THR206 3.5 34.6 1.0
CB B:SER69 3.7 28.0 1.0
O2A B:GDP1382 3.7 27.9 1.0
F2 B:ALF1384 3.8 45.2 1.0
O1B B:GDP1382 3.9 28.1 1.0
O3A B:GDP1382 4.0 27.1 1.0
N B:THR206 4.0 34.3 1.0
N B:SER69 4.0 28.5 1.0
O B:HOH1385 4.0 18.3 1.0
PA B:GDP1382 4.2 27.1 1.0
F3 B:ALF1384 4.2 45.5 1.0
O1A B:GDP1382 4.3 25.6 1.0
CA B:THR206 4.4 34.9 1.0
CE B:LYS68 4.5 28.2 1.0
OD1 B:ASP225 4.5 45.7 1.0
O B:LYS204 4.5 31.8 1.0
OD2 B:ASP225 4.5 44.3 1.0
CB B:LYS68 4.5 28.7 1.0
CA B:SER69 4.5 27.9 1.0
NH1 B:ARG203 4.6 26.8 1.0
O B:VAL226 4.6 40.9 1.0
CG2 B:THR206 4.8 34.2 1.0
CG B:ASP225 4.9 44.0 1.0

Reference:

B.Kreutz, D.M.Yau, M.R.Nance, S.Tanabe, J.J.Tesmer, T.Kozasa. A New Approach to Producing Functional G Alpha Subunits Yields the Activated and Deactivated Structures of G Alpha(12/13) Proteins. Biochemistry V. 45 167 2006.
ISSN: ISSN 0006-2960
PubMed: 16388592
DOI: 10.1021/BI051729T
Page generated: Mon Dec 14 07:11:44 2020

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