Calcium in PDB 9de8: Structure of Full-Length Hiv Tar Rna Soaked in CACL2

The structure of Structure of Full-Length Hiv Tar Rna Soaked in CACL2, PDB code: 9de8 was solved by C.Bou-Nader, J.Zhang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	44.53 / 2.76
Space group	P 21 2 21
Cell size a, b, c (Å), α, β, γ (°)	31.588, 47.266, 132.729, 90, 90, 90
R / Rfree (%)	24.6 / 29.5

The binding sites of Calcium atom in the Structure of Full-Length Hiv Tar Rna Soaked in CACL2 (pdb code 9de8). 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 Structure of Full-Length Hiv Tar Rna Soaked in CACL2, PDB code: 9de8:

Calcium binding site 1 out of 1 in the Structure of Full-Length Hiv Tar Rna Soaked in CACL2


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structure of Full-Length Hiv Tar Rna Soaked in CACL2 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca101 b:62.5 occ:1.00 OP2 A:C24 2.4 69.8 1.0 OP1 A:U23 2.4 66.5 1.0 OP1 A:G26 2.6 60.8 1.0 O3' A:U25 3.1 62.9 1.0 P A:G26 3.5 63.0 1.0 P A:C24 3.7 65.5 1.0 P A:U23 3.9 70.0 1.0 N7 A:G26 4.1 54.0 1.0 OP1 A:C24 4.3 64.5 1.0 C8 A:G26 4.3 51.9 1.0 O5' A:G26 4.4 61.1 1.0 C3' A:U25 4.4 62.3 1.0 O3' A:U23 4.6 70.7 1.0 O2' A:U25 4.6 58.4 1.0 C2' A:A22 4.6 54.0 1.0 O5' A:U23 4.6 65.8 1.0 C3' A:A22 4.6 53.4 1.0 OP2 A:U23 4.6 67.0 1.0 OP2 A:G26 4.7 63.1 1.0 O5' A:C24 4.8 72.1 1.0 O3' A:A22 4.8 58.0 1.0 C5' A:U23 4.8 64.6 1.0 C4' A:U25 4.9 67.4 1.0

C.Bou-Nader, K.A.Link, K.C.Suddala, J.R.Knutson, J.Zhang. Structures of Complete Hiv-1 Tar Rna Portray A Dynamic Platform Poised For Protein Binding and Structural Remodeling Nat Commun V. 16 2252 2025.
ISSN: ESSN 2041-1723
DOI: 10.1038/S41467-025-57519-W