Magnesium in PDB 1tnd: The 2.2 Angstroms Crystal Structure of Transducin-Alpha Complexed with Gtp Gamma S

The structure of The 2.2 Angstroms Crystal Structure of Transducin-Alpha Complexed with Gtp Gamma S, PDB code: 1tnd was solved by J.P.Noel, H.E.Hamm, P.B.Sigler, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	6.00 / 2.20
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	74.500, 108.300, 79.000, 90.00, 112.30, 90.00
R / Rfree (%)	19 / n/a

The structure of The 2.2 Angstroms Crystal Structure of Transducin-Alpha Complexed with Gtp Gamma S also contains other interesting chemical elements:

Arsenic

(As)

6 atoms

The binding sites of Magnesium atom in the The 2.2 Angstroms Crystal Structure of Transducin-Alpha Complexed with Gtp Gamma S (pdb code 1tnd). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 3 binding sites of Magnesium where determined in the The 2.2 Angstroms Crystal Structure of Transducin-Alpha Complexed with Gtp Gamma S, PDB code: 1tnd:
Jump to Magnesium binding site number: 1; 2; 3;

Magnesium binding site 1 out of 3 in the The 2.2 Angstroms Crystal Structure of Transducin-Alpha Complexed with Gtp Gamma S


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of The 2.2 Angstroms Crystal Structure of Transducin-Alpha Complexed with Gtp Gamma S within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg352 b:18.2 occ:1.00 O2B A:GSP351 2.2 16.6 1.0 O2G A:GSP351 2.2 20.4 1.0 OG A:SER43 2.2 25.0 1.0 O A:HOH359 2.2 15.2 1.0 OG1 A:THR177 2.3 17.7 1.0 O A:HOH361 2.4 13.1 1.0 O3B A:GSP351 3.1 18.6 1.0 PB A:GSP351 3.1 17.5 1.0 PG A:GSP351 3.1 21.6 1.0 CB A:SER43 3.3 17.2 1.0 CB A:THR177 3.5 23.5 1.0 O3G A:GSP351 3.8 20.1 1.0 N A:SER43 3.9 12.1 1.0 N A:THR177 4.0 16.7 1.0 O3A A:GSP351 4.0 20.0 1.0 O2A A:GSP351 4.1 13.2 1.0 CA A:SER43 4.2 13.8 1.0 OD1 A:ASP196 4.3 10.9 1.0 O A:VAL175 4.3 16.2 1.0 O A:HOH362 4.3 27.0 1.0 NH2 A:ARG174 4.3 22.3 1.0 CA A:THR177 4.4 18.7 1.0 O1B A:GSP351 4.4 20.6 1.0 PA A:GSP351 4.4 12.8 1.0 OD2 A:ASP196 4.4 17.1 1.0 CG2 A:THR177 4.5 17.5 1.0 O1A A:GSP351 4.6 16.9 1.0 S1G A:GSP351 4.7 21.3 1.0 O A:VAL197 4.8 19.8 1.0 CG A:ASP196 4.8 14.8 1.0 C A:LYS176 4.9 18.6 1.0 C A:LYS42 5.0 15.3 1.0

Magnesium binding site 2 out of 3 in the The 2.2 Angstroms Crystal Structure of Transducin-Alpha Complexed with Gtp Gamma S


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of The 2.2 Angstroms Crystal Structure of Transducin-Alpha Complexed with Gtp Gamma S within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg352 b:33.2 occ:1.00 O2G B:GSP351 2.2 26.6 1.0 OG B:SER43 2.3 27.5 1.0 OG1 B:THR177 2.3 22.2 1.0 O2B B:GSP351 2.3 17.9 1.0 O B:HOH379 2.3 21.3 1.0 O B:HOH372 2.6 23.8 1.0 O3B B:GSP351 3.0 22.4 1.0 PB B:GSP351 3.1 22.4 1.0 PG B:GSP351 3.1 28.0 1.0 CB B:SER43 3.3 24.6 1.0 CB B:THR177 3.4 23.5 1.0 O3G B:GSP351 3.8 26.3 1.0 O B:HOH376 3.9 30.6 1.0 N B:SER43 3.9 25.4 1.0 N B:THR177 4.1 21.9 1.0 O2A B:GSP351 4.1 22.5 1.0 O3A B:GSP351 4.1 30.8 1.0 CA B:SER43 4.2 23.9 1.0 O1B B:GSP351 4.2 25.0 1.0 OD1 B:ASP196 4.3 17.7 1.0 O B:VAL175 4.3 20.4 1.0 CA B:THR177 4.3 22.5 1.0 OD2 B:ASP196 4.4 29.5 1.0 CG2 B:THR177 4.4 24.2 1.0 PA B:GSP351 4.6 21.8 1.0 O B:VAL197 4.6 18.1 1.0 S1G B:GSP351 4.7 27.1 1.0 NH1 B:ARG174 4.7 20.0 1.0 O1A B:GSP351 4.7 13.5 1.0 CG B:ASP196 4.7 22.6 1.0 O B:HOH377 4.8 30.9 1.0 CB B:LYS42 4.8 24.0 1.0

Magnesium binding site 3 out of 3 in the The 2.2 Angstroms Crystal Structure of Transducin-Alpha Complexed with Gtp Gamma S


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 3 of The 2.2 Angstroms Crystal Structure of Transducin-Alpha Complexed with Gtp Gamma S within 5.0Å range: probe atom residue distance (Å) B Occ C:Mg352 b:16.0 occ:1.00 O2G C:GSP351 2.2 17.2 1.0 OG C:SER43 2.2 20.1 1.0 O2B C:GSP351 2.2 13.8 1.0 OG1 C:THR177 2.3 29.9 1.0 O C:HOH383 2.3 14.0 1.0 O C:HOH382 2.5 22.3 1.0 O3B C:GSP351 2.9 19.6 1.0 PG C:GSP351 3.1 20.6 1.0 CB C:THR177 3.1 30.0 1.0 PB C:GSP351 3.1 19.2 1.0 CB C:SER43 3.5 17.8 1.0 O3G C:GSP351 3.8 21.0 1.0 N C:THR177 3.9 25.7 1.0 N C:SER43 4.1 12.6 1.0 CA C:THR177 4.1 26.9 1.0 CG2 C:THR177 4.2 23.8 1.0 O2A C:GSP351 4.2 15.2 1.0 O1B C:GSP351 4.2 20.6 1.0 O3A C:GSP351 4.3 19.9 1.0 OD2 C:ASP196 4.3 16.9 1.0 O C:VAL175 4.3 29.8 1.0 OD1 C:ASP196 4.3 10.8 1.0 CA C:SER43 4.4 13.9 1.0 O C:HOH389 4.4 16.6 1.0 PA C:GSP351 4.6 14.2 1.0 S1G C:GSP351 4.6 19.3 1.0 O C:VAL197 4.7 15.4 1.0 CG C:ASP196 4.7 15.5 1.0 NH1 C:ARG174 4.8 28.6 1.0 O C:HOH450 4.9 18.6 1.0 C C:LYS176 4.9 27.5 1.0 O1A C:GSP351 4.9 13.5 1.0 O C:HOH384 4.9 19.0 1.0 CA C:GLY198 4.9 14.6 1.0 CE C:LYS42 4.9 16.5 1.0

J.P.Noel, H.E.Hamm, P.B.Sigler. The 2.2 A Crystal Structure of Transducin-Alpha Complexed with Gtp Gamma S. Nature V. 366 654 1993.
ISSN: ISSN 0028-0836
PubMed: 8259210
DOI: 10.1038/366654A0