Calcium in PDB 1tr5: Room Temperature Structure of Staphylococcal Nuclease Variant Truncated Delta+Phs I92E

All present enzymatic activity of Room Temperature Structure of Staphylococcal Nuclease Variant Truncated Delta+Phs I92E:
3.1.31.1;

The structure of Room Temperature Structure of Staphylococcal Nuclease Variant Truncated Delta+Phs I92E, PDB code: 1tr5 was solved by D.M.Nguyen, R.Leila Reynald, A.G.Gittis, E.E.Lattman, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	25.59 / 2.10
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	31.298, 60.981, 38.789, 90.00, 96.10, 90.00
R / Rfree (%)	21.2 / 25

The binding sites of Calcium atom in the Room Temperature Structure of Staphylococcal Nuclease Variant Truncated Delta+Phs I92E (pdb code 1tr5). 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 Room Temperature Structure of Staphylococcal Nuclease Variant Truncated Delta+Phs I92E, PDB code: 1tr5:

Calcium binding site 1 out of 1 in the Room Temperature Structure of Staphylococcal Nuclease Variant Truncated Delta+Phs I92E


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Room Temperature Structure of Staphylococcal Nuclease Variant Truncated Delta+Phs I92E within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca301 b:68.1 occ:1.00 OD2 A:ASP21 2.8 45.0 1.0 OD1 A:ASP40 2.9 52.1 1.0 O A:THR41 2.9 54.2 1.0 O4P A:THP300 3.0 48.2 1.0 OE1 A:GLU43 3.4 87.9 1.0 OE2 A:GLU43 3.4 87.3 1.0 CG A:ASP21 3.7 42.5 1.0 OD1 A:ASP21 3.7 42.4 1.0 CD A:GLU43 3.8 86.5 1.0 P2 A:THP300 4.0 47.5 1.0 N A:THR41 4.0 48.5 1.0 NH2 A:ARG35 4.0 32.4 1.0 C A:THR41 4.1 55.8 1.0 O5P A:THP300 4.1 46.6 1.0 CG A:ASP40 4.1 49.4 1.0 OG1 A:THR41 4.2 51.2 1.0 CZ A:ARG35 4.6 30.4 1.0 CA A:ASP40 4.6 45.5 1.0 CA A:THR41 4.6 52.0 1.0 C A:ASP40 4.7 46.5 1.0 O6P A:THP300 4.7 46.4 1.0 OD2 A:ASP40 4.8 53.0 1.0 NE A:ARG35 4.9 33.0 1.0 CB A:ASP40 5.0 46.4 1.0

D.M.Nguyen, R.Leila Reynald, A.G.Gittis, E.E.Lattman. X-Ray and Thermodynamic Studies of Staphylococcal Nuclease Variants I92E and I92K: Insights Into Polarity of the Protein Interior J.Mol.Biol. V. 341 565 2004.
ISSN: ISSN 0022-2836
PubMed: 15276844
DOI: 10.1016/J.JMB.2004.05.066