Calcium in PDB 4zkp: P22 Tail Needle GP26 Crystallized at pH 7.0

The structure of P22 Tail Needle GP26 Crystallized at pH 7.0, PDB code: 4zkp was solved by R.S.Sankhala, G.Cingolani, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.12 / 2.10
Space group	P 3
Cell size a, b, c (Å), α, β, γ (°)	43.846, 43.846, 272.319, 90.00, 90.00, 120.00
R / Rfree (%)	15.4 / 18.9

The structure of P22 Tail Needle GP26 Crystallized at pH 7.0 also contains other interesting chemical elements:

Chlorine

(Cl)

2 atoms

The binding sites of Calcium atom in the P22 Tail Needle GP26 Crystallized at pH 7.0 (pdb code 4zkp). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the P22 Tail Needle GP26 Crystallized at pH 7.0, PDB code: 4zkp:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the P22 Tail Needle GP26 Crystallized at pH 7.0


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of P22 Tail Needle GP26 Crystallized at pH 7.0 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca300 b:13.6 occ:0.33 OD1 A:ASN63 2.4 18.2 1.0 OE1 A:GLN66 2.4 14.7 1.0 O A:HOH495 3.4 42.3 0.3 CD A:GLN66 3.5 10.6 1.0 CG A:ASN63 3.6 16.7 1.0 NE2 A:GLN66 3.9 9.5 1.0 O A:HOH447 4.5 40.3 1.0 ND2 A:ASN63 4.5 20.2 1.0 CA A:ASN63 4.6 11.7 1.0 CB A:ASN63 4.6 10.6 1.0 CG A:GLN66 4.8 7.2 1.0 CB A:GLN66 4.9 8.4 1.0

Calcium binding site 2 out of 2 in the P22 Tail Needle GP26 Crystallized at pH 7.0


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of P22 Tail Needle GP26 Crystallized at pH 7.0 within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca300 b:20.2 occ:0.33 OE1 B:GLN66 2.3 16.5 1.0 OD1 B:ASN63 2.3 14.5 1.0 CD B:GLN66 3.4 14.3 1.0 CG B:ASN63 3.6 14.7 1.0 NE2 B:GLN66 3.8 13.0 1.0 ND2 B:ASN63 4.4 16.3 1.0 CA B:ASN63 4.5 13.5 1.0 CB B:ASN63 4.5 12.3 1.0 CG B:GLN66 4.7 12.8 1.0 O B:HOH577 4.8 6.3 0.3 CB B:GLN66 4.9 7.8 1.0

A.Bhardwaj, R.S.Sankhala, A.S.Olia, D.Brooke, S.R.Casjens, D.J.Taylor, P.E.Prevelige, G.Cingolani. Structural Plasticity of the Protein Plug That Traps Newly Packaged Genomes in Podoviridae Virions. J.Biol.Chem. V. 291 215 2016.
ISSN: ESSN 1083-351X
PubMed: 26574546
DOI: 10.1074/JBC.M115.696260