Calcium in PDB 4r48: Racemic Crystal Structure of A Calcium-Bound Dna Four-Way Junction

The structure of Racemic Crystal Structure of A Calcium-Bound Dna Four-Way Junction, PDB code: 4r48 was solved by P.K.Mandal, G.W.Collie, B.Kauffmann, I.Huc, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	32.91 / 2.33
Space group	C 1 2/c 1
Cell size a, b, c (Å), α, β, γ (°)	65.950, 23.355, 72.907, 90.00, 115.47, 90.00
R / Rfree (%)	28.5 / 34.1

The structure of Racemic Crystal Structure of A Calcium-Bound Dna Four-Way Junction also contains other interesting chemical elements:

Sodium

(Na)

1 atom

The binding sites of Calcium atom in the Racemic Crystal Structure of A Calcium-Bound Dna Four-Way Junction (pdb code 4r48). 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 Racemic Crystal Structure of A Calcium-Bound Dna Four-Way Junction, PDB code: 4r48:

Calcium binding site 1 out of 1 in the Racemic Crystal Structure of A Calcium-Bound Dna Four-Way Junction


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Racemic Crystal Structure of A Calcium-Bound Dna Four-Way Junction within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca101 b:57.1 occ:1.00 O B:HOH205 2.2 41.0 1.0 O B:HOH204 2.2 39.1 1.0 O B:HOH207 2.5 46.8 1.0 O B:HOH206 2.5 50.3 1.0 O B:HOH201 2.6 39.0 1.0 O B:HOH202 2.6 38.6 1.0 O B:HOH211 3.9 41.1 1.0 O B:HOH209 3.9 46.9 1.0 O4' B:DG13 4.4 43.6 1.0 N3 B:DG13 4.5 37.0 1.0 N2 B:DG13 4.6 31.0 1.0 O2 B:DC12 4.7 39.1 1.0 C2 B:DG13 5.0 36.0 1.0 O4' B:DG14 5.0 43.6 1.0

P.K.Mandal, G.W.Collie, B.Kauffmann, I.Huc. Racemic Dna Crystallography. Angew.Chem.Int.Ed.Engl. 2014.
ISSN: ESSN 1521-3773
PubMed: 25358289
DOI: 10.1002/ANIE.201409014