Calcium in PDB 1tt2: Cryogenic Crystal Structure of Staphylococcal Nuclease Variant Truncated Delta+Phs I92K

All present enzymatic activity of Cryogenic Crystal Structure of Staphylococcal Nuclease Variant Truncated Delta+Phs I92K:
3.1.31.1;

The structure of Cryogenic Crystal Structure of Staphylococcal Nuclease Variant Truncated Delta+Phs I92K, PDB code: 1tt2 was solved by D.M.Nguyen, R.L.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)	23.68 / 1.85
Space group	P 41
Cell size a, b, c (Å), α, β, γ (°)	47.368, 47.368, 63.296, 90.00, 90.00, 90.00
R / Rfree (%)	18.9 / 21.1

The binding sites of Calcium atom in the Cryogenic Crystal Structure of Staphylococcal Nuclease Variant Truncated Delta+Phs I92K (pdb code 1tt2). 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 Cryogenic Crystal Structure of Staphylococcal Nuclease Variant Truncated Delta+Phs I92K, PDB code: 1tt2:

Calcium binding site 1 out of 1 in the Cryogenic Crystal Structure of Staphylococcal Nuclease Variant Truncated Delta+Phs I92K


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Cryogenic Crystal Structure of Staphylococcal Nuclease Variant Truncated Delta+Phs I92K within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca502 b:15.6 occ:1.00 O A:HOH218 2.4 18.4 1.0 OD1 A:ASP40 2.5 17.7 1.0 OD1 A:ASP21 2.5 9.9 1.0 O A:THR41 2.6 13.5 1.0 O A:HOH217 2.6 12.4 1.0 O A:HOH216 2.7 15.4 1.0 O4P A:THP501 3.1 16.7 1.0 CG A:ASP21 3.4 10.8 1.0 OD2 A:ASP21 3.6 11.1 1.0 C A:THR41 3.7 14.5 1.0 CG A:ASP40 3.7 16.8 1.0 N A:THR41 3.7 12.3 1.0 O A:HOH201 3.9 13.5 1.0 OG1 A:THR41 3.9 10.3 1.0 NH2 A:ARG35 4.0 9.3 1.0 P2 A:THP501 4.0 17.2 1.0 O5P A:THP501 4.1 14.5 1.0 CA A:THR41 4.3 12.7 1.0 OE2 A:GLU43 4.4 23.2 1.0 C A:ASP40 4.4 12.2 1.0 CA A:ASP40 4.4 12.0 1.0 OD2 A:ASP40 4.4 18.9 1.0 CZ A:ARG35 4.5 10.0 1.0 O6P A:THP501 4.6 14.0 1.0 O A:HOH251 4.6 30.7 1.0 CB A:ASP40 4.7 13.1 1.0 NE A:ARG35 4.7 9.6 1.0 CB A:THR41 4.8 12.8 1.0 N A:PRO42 4.8 14.4 1.0 CB A:ASP21 4.8 9.7 1.0 O A:PRO42 4.8 14.8 1.0 C A:PRO42 4.8 16.8 1.0 OD1 A:ASP19 4.9 13.8 1.0 CD A:GLU43 4.9 21.7 1.0

D.M.Nguyen, R.L.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