Calcium in PDB 4ang: Small Rna Phage PRR1 in Complex with An Rna Operator Fragment

The structure of Small Rna Phage PRR1 in Complex with An Rna Operator Fragment, PDB code: 4ang was solved by M.Persson, K.Tars, L.Liljas, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.98 / 3.50
Space group	P 1
Cell size a, b, c (Å), α, β, γ (°)	281.300, 285.400, 472.900, 93.23, 90.03, 119.45
R / Rfree (%)	30.8 / 31.3

The binding sites of Calcium atom in the Small Rna Phage PRR1 in Complex with An Rna Operator Fragment (pdb code 4ang). 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 Small Rna Phage PRR1 in Complex with An Rna Operator Fragment, PDB code: 4ang:

Calcium binding site 1 out of 1 in the Small Rna Phage PRR1 in Complex with An Rna Operator Fragment


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Small Rna Phage PRR1 in Complex with An Rna Operator Fragment within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca132 b:19.1 occ:1.00 O B:TYR131 2.3 38.9 1.0 OE1 C:GLN2 2.5 28.5 1.0 C B:TYR131 3.5 39.4 1.0 CB A:ALA1 3.5 38.2 1.0 CD C:GLN2 3.6 28.8 1.0 NE2 C:GLN2 4.1 28.7 1.0 OXT B:TYR131 4.2 41.8 1.0 CD2 B:TYR131 4.5 35.9 1.0 N C:LEU3 4.5 29.6 1.0 CA B:TYR131 4.5 38.6 1.0 CB B:TYR131 4.6 37.0 1.0 O C:LEU3 4.7 32.8 1.0 CB C:LEU3 4.9 30.0 1.0 CG C:GLN2 4.9 29.1 1.0

M.Persson, K.Tars, L.Liljas. PRR1 Coat Protein Binding to Its Rna Translational Operator Acta Crystallogr.,Sect.D V. 69 367 2013.
ISSN: ISSN 0907-4449
PubMed: 23519411
DOI: 10.1107/S0907444912047464