Calcium in PDB 3ovs: How the Cca-Adding Enzyme Selects Adenine Over Cytosine in Position 76 of Trna

All present enzymatic activity of How the Cca-Adding Enzyme Selects Adenine Over Cytosine in Position 76 of Trna:
2.7.7.21; 2.7.7.25;

The structure of How the Cca-Adding Enzyme Selects Adenine Over Cytosine in Position 76 of Trna, PDB code: 3ovs was solved by B.C.Pan, Y.Xiong, T.A.Steitz, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	37.80 / 2.80
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	111.307, 218.216, 58.369, 90.00, 90.00, 90.00
R / Rfree (%)	21.1 / 26.8

The binding sites of Calcium atom in the How the Cca-Adding Enzyme Selects Adenine Over Cytosine in Position 76 of Trna (pdb code 3ovs). 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 How the Cca-Adding Enzyme Selects Adenine Over Cytosine in Position 76 of Trna, PDB code: 3ovs:

Calcium binding site 1 out of 1 in the How the Cca-Adding Enzyme Selects Adenine Over Cytosine in Position 76 of Trna


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of How the Cca-Adding Enzyme Selects Adenine Over Cytosine in Position 76 of Trna within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca801 b:40.3 occ:1.00 OE1 A:GLU59 2.6 42.1 0.8 O1A A:CTP501 2.7 36.9 1.0 OD1 A:ASP61 2.7 34.0 0.8 O1G A:CTP501 3.2 38.4 1.0 OD2 A:ASP61 3.3 33.4 0.8 CG A:ASP61 3.3 31.9 1.0 O2B A:CTP501 3.4 36.3 1.0 CD A:GLU59 3.6 42.4 1.0 O A:GLU59 3.8 34.2 1.0 PA A:CTP501 3.9 36.7 1.0 O3A A:CTP501 3.9 37.6 1.0 PB A:CTP501 4.2 37.3 1.0 CG A:GLU59 4.2 38.1 1.0 CB A:GLU59 4.2 35.6 1.0 OE2 A:GLU59 4.4 43.8 0.8 OG A:SER47 4.5 26.9 1.0 C A:GLU59 4.6 34.0 1.0 PG A:CTP501 4.6 38.1 1.0 O3' C:C34 4.7 50.3 1.0 CB A:ASP61 4.7 29.7 1.0 O2A A:CTP501 4.8 37.1 1.0 O3B A:CTP501 4.8 37.9 1.0 OD2 A:ASP110 5.0 38.9 1.0 O5' A:CTP501 5.0 36.0 1.0

B.Pan, Y.Xiong, T.A.Steitz. How the Cca-Adding Enzyme Selects Adenine Over Cytosine at Position 76 of Trna. Science V. 330 937 2010.
ISSN: ISSN 0036-8075
PubMed: 21071662
DOI: 10.1126/SCIENCE.1194985