Calcium in PDB 1syf: Engineering Alternative Beta-Turn Types in Staphylococcal Nuclease

All present enzymatic activity of Engineering Alternative Beta-Turn Types in Staphylococcal Nuclease:
3.1.31.1;

The structure of Engineering Alternative Beta-Turn Types in Staphylococcal Nuclease, PDB code: 1syf was solved by T.R.Hynes, A.Hodel, R.O.Fox, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 1.80
Space group	P 41
Cell size a, b, c (Å), α, β, γ (°)	48.500, 48.500, 63.500, 90.00, 90.00, 90.00
R / Rfree (%)	n/a / n/a

The binding sites of Calcium atom in the Engineering Alternative Beta-Turn Types in Staphylococcal Nuclease (pdb code 1syf). 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 Engineering Alternative Beta-Turn Types in Staphylococcal Nuclease, PDB code: 1syf:

Calcium binding site 1 out of 1 in the Engineering Alternative Beta-Turn Types in Staphylococcal Nuclease


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Engineering Alternative Beta-Turn Types in Staphylococcal Nuclease within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca190 b:17.7 occ:1.00 O A:HOH239 2.2 21.4 1.0 OD1 A:ASP40 2.5 22.1 1.0 O A:HOH219 2.5 19.6 1.0 OD2 A:ASP21 2.5 14.9 1.0 O A:HOH207 2.6 20.9 1.0 O5P A:THP180 2.7 19.8 1.0 O A:THR41 2.8 18.6 1.0 CG A:ASP21 3.4 14.1 1.0 OD1 A:ASP21 3.6 13.2 1.0 CG A:ASP40 3.7 23.4 1.0 N A:THR41 3.9 15.3 1.0 C A:THR41 3.9 19.0 1.0 P2 A:THP180 3.9 19.8 1.0 NH2 A:ARG35 4.0 12.4 1.0 O A:HOH232 4.1 20.1 1.0 O6P A:THP180 4.1 18.1 1.0 OG1 A:THR41 4.1 13.6 1.0 O A:HOH265 4.1 36.6 1.0 OE1 A:GLU43 4.4 37.0 1.0 OD2 A:ASP40 4.4 24.3 1.0 CA A:THR41 4.5 16.8 1.0 O4P A:THP180 4.5 19.9 1.0 CA A:ASP40 4.5 13.4 1.0 CZ A:ARG35 4.5 14.7 1.0 C A:ASP40 4.6 14.0 1.0 NE A:ARG35 4.7 13.4 1.0 CB A:ASP40 4.7 14.3 1.0 CB A:ASP21 4.8 9.4 1.0 OD2 A:ASP19 4.8 22.5 1.0 C A:PRO42 4.9 24.7 1.0 N A:GLU43 4.9 26.8 1.0 O A:PRO42 4.9 24.0 1.0 CB A:THR41 5.0 18.3 1.0 N A:PRO42 5.0 20.5 1.0

T.R.Hynes, A.Hodel, R.O.Fox. Engineering Alternative Beta-Turn Types in Staphylococcal Nuclease. Biochemistry V. 33 5021 1994.
ISSN: ISSN 0006-2960
PubMed: 8172877
DOI: 10.1021/BI00183A004