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Calcium in PDB 1snm: Active Site Mutant Glu-43 (Right Arrow) Asp in Staphylococcal Nuclease Displays Nonlocal Structural Changes

Enzymatic activity of Active Site Mutant Glu-43 (Right Arrow) Asp in Staphylococcal Nuclease Displays Nonlocal Structural Changes

All present enzymatic activity of Active Site Mutant Glu-43 (Right Arrow) Asp in Staphylococcal Nuclease Displays Nonlocal Structural Changes:
3.1.31.1;

Protein crystallography data

The structure of Active Site Mutant Glu-43 (Right Arrow) Asp in Staphylococcal Nuclease Displays Nonlocal Structural Changes, PDB code: 1snm was solved by P.J.Loll, E.E.Lattman, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 6.00 / 1.74
Space group P 41
Cell size a, b, c (Å), α, β, γ (°) 48.590, 48.590, 63.380, 90.00, 90.00, 90.00
R / Rfree (%) n/a / n/a

Calcium Binding Sites:

The binding sites of Calcium atom in the Active Site Mutant Glu-43 (Right Arrow) Asp in Staphylococcal Nuclease Displays Nonlocal Structural Changes (pdb code 1snm). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Active Site Mutant Glu-43 (Right Arrow) Asp in Staphylococcal Nuclease Displays Nonlocal Structural Changes, PDB code: 1snm:

Calcium binding site 1 out of 1 in 1snm

Go back to Calcium Binding Sites List in 1snm
Calcium binding site 1 out of 1 in the Active Site Mutant Glu-43 (Right Arrow) Asp in Staphylococcal Nuclease Displays Nonlocal Structural Changes


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Active Site Mutant Glu-43 (Right Arrow) Asp in Staphylococcal Nuclease Displays Nonlocal Structural Changes within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca150

b:35.7
occ:1.00
 OD1 A:ASP40 2.4 29.2 1.0
O A:HOH155 2.5 31.5 1.0
O A:HOH197 2.5 51.1 1.0
OD1 A:ASP21 2.5 22.2 1.0
O A:THR41 2.8 29.1 1.0
O4P A:THP151 2.9 28.0 1.0
CG A:ASP21 3.4 22.1 1.0
OD2 A:ASP21 3.4 22.8 1.0
CG A:ASP40 3.7 28.9 1.0
N A:THR41 3.9 24.8 1.0
NH2 A:ARG35 3.9 18.8 1.0
C A:THR41 4.0 28.9 1.0
P2 A:THP151 4.0 28.0 1.0
OG1 A:THR41 4.1 24.7 1.0
O5P A:THP151 4.1 25.6 1.0
O A:HOH206 4.2 48.1 1.0
OD2 A:ASP40 4.4 31.3 1.0
CA A:ASP40 4.4 23.8 1.0
CA A:THR41 4.5 26.5 1.0
CZ A:ARG35 4.5 18.6 1.0
C A:ASP40 4.5 23.5 1.0
O6P A:THP151 4.6 29.4 1.0
CB A:ASP40 4.7 25.6 1.0
NE A:ARG35 4.7 17.5 1.0
CB A:ASP21 4.8 19.6 1.0

Reference:

P.J.Loll, E.E.Lattman. Active Site Mutant Glu-43 --> Asp in Staphylococcal Nuclease Displays Nonlocal Structural Changes. Biochemistry V. 29 6866 1990.
ISSN: ISSN 0006-2960
PubMed: 2397218
DOI: 10.1021/BI00481A016
Page generated: Tue Jul 8 02:02:39 2025

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