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Calcium in PDB 1zw6: Crystal Structure of the Gtp-Bound Form of RASQ61G

Protein crystallography data

The structure of Crystal Structure of the Gtp-Bound Form of RASQ61G, PDB code: 1zw6 was solved by B.Ford, V.Hornak, H.Kleinman, N.Nassar, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 30.79 / 1.50
Space group H 3 2
Cell size a, b, c (Å), α, β, γ (°) 88.776, 88.776, 134.392, 90.00, 90.00, 120.00
R / Rfree (%) 14.4 / 17.4

Other elements in 1zw6:

The structure of Crystal Structure of the Gtp-Bound Form of RASQ61G also contains other interesting chemical elements:

Magnesium (Mg) 3 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of the Gtp-Bound Form of RASQ61G (pdb code 1zw6). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Crystal Structure of the Gtp-Bound Form of RASQ61G, PDB code: 1zw6:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in 1zw6

Go back to Calcium Binding Sites List in 1zw6
Calcium binding site 1 out of 2 in the Crystal Structure of the Gtp-Bound Form of RASQ61G


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of the Gtp-Bound Form of RASQ61G within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca201

b:15.3
occ:1.00
O A:PHE28 2.3 14.8 1.0
O A:HOH304 2.3 23.7 1.0
O A:HOH277 2.4 20.3 1.0
OD2 A:ASP30 2.4 20.9 1.0
C A:PHE28 3.6 14.2 1.0
CG A:ASP30 3.6 18.1 1.0
N A:ASP30 4.1 14.7 1.0
O A:HOH372 4.3 35.5 1.0
CA A:VAL29 4.4 13.9 1.0
O A:HOH295 4.4 22.9 1.0
N A:VAL29 4.4 13.7 1.0
CB A:ASP30 4.5 16.6 1.0
OD1 A:ASP30 4.5 22.8 1.0
CA A:PHE28 4.6 13.7 1.0
N A:PHE28 4.7 13.3 1.0
C A:VAL29 4.7 13.8 1.0
CB A:PHE28 4.8 13.9 1.0
O A:HOH392 4.8 44.0 1.0
CA A:ASP30 4.9 15.4 1.0
ND1 A:HIS27 5.0 17.2 1.0

Calcium binding site 2 out of 2 in 1zw6

Go back to Calcium Binding Sites List in 1zw6
Calcium binding site 2 out of 2 in the Crystal Structure of the Gtp-Bound Form of RASQ61G


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Crystal Structure of the Gtp-Bound Form of RASQ61G within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca202

b:17.9
occ:0.50
O A:HOH310 2.2 23.6 0.5
O A:ARG102 2.3 21.2 1.0
O A:HOH341 2.6 33.7 0.5
OD1 A:ASP105 2.7 29.5 1.0
OD2 A:ASP105 3.2 27.3 1.0
CG A:ASP105 3.3 26.6 1.0
C A:ARG102 3.4 19.9 1.0
CA A:VAL103 4.2 20.1 1.0
N A:VAL103 4.2 18.9 1.0
CA A:ARG102 4.3 20.0 1.0
O A:HOH370 4.4 38.0 1.0
C A:VAL103 4.6 20.1 1.0
O A:VAL103 4.6 21.0 1.0
CB A:ARG102 4.7 21.5 1.0
CG A:ARG102 4.7 24.1 0.5
CB A:ASP105 4.7 24.7 1.0
N A:ASP105 4.8 22.5 1.0
NH1 A:ARG73 5.0 33.0 1.0
CA A:ASP105 5.0 23.9 1.0

Reference:

B.Ford, V.Hornak, H.Kleinman, N.Nassar. Structure of A Transient Intermediate For Gtp Hydrolysis By Ras. Structure V. 14 427 2006.
ISSN: ISSN 0969-2126
PubMed: 16531227
DOI: 10.1016/J.STR.2005.12.010
Page generated: Sat Dec 12 03:30:30 2020

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