Potassium in PDB 3zqo: Crystal Structure of the Small Terminase Oligomerization Core Domain From A SPP1-Like Bacteriophage (Crystal Form 3)

The structure of Crystal Structure of the Small Terminase Oligomerization Core Domain From A SPP1-Like Bacteriophage (Crystal Form 3), PDB code: 3zqo was solved by C.R.Buttner, M.Chechik, M.Ortiz-Lombardia, C.Smits, V.Chechik, G.Jeschke, E.Dykeman, S.Benini, J.C.Alonso, A.A.Antson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	22.10 / 1.68
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	59.202, 198.201, 59.202, 90.00, 90.81, 90.00
R / Rfree (%)	18.289 / 23.357

The binding sites of Potassium atom in the Crystal Structure of the Small Terminase Oligomerization Core Domain From A SPP1-Like Bacteriophage (Crystal Form 3) (pdb code 3zqo). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Crystal Structure of the Small Terminase Oligomerization Core Domain From A SPP1-Like Bacteriophage (Crystal Form 3), PDB code: 3zqo:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Crystal Structure of the Small Terminase Oligomerization Core Domain From A SPP1-Like Bacteriophage (Crystal Form 3)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of the Small Terminase Oligomerization Core Domain From A SPP1-Like Bacteriophage (Crystal Form 3) within 5.0Å range: probe atom residue distance (Å) B Occ R:K1121 b:26.2 occ:1.00 OG1 R:THR99 3.2 23.1 1.0 N R:LYS100 3.5 14.1 1.0 O R:HOH2014 3.7 22.0 1.0 CB R:LYS100 3.9 15.0 1.0 CG R:LYS100 3.9 14.9 1.0 CD R:LYS100 3.9 17.1 1.0 CA R:THR99 4.1 13.6 1.0 CB R:THR99 4.2 15.0 1.0 C R:THR99 4.3 14.0 1.0 SE Q:MSE91 4.3 22.4 1.0 CA R:LYS100 4.3 13.3 1.0 CE Q:MSE91 4.5 18.2 1.0 CE R:LYS100 4.7 17.9 1.0

Potassium binding site 2 out of 2 in the Crystal Structure of the Small Terminase Oligomerization Core Domain From A SPP1-Like Bacteriophage (Crystal Form 3)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of the Small Terminase Oligomerization Core Domain From A SPP1-Like Bacteriophage (Crystal Form 3) within 5.0Å range: probe atom residue distance (Å) B Occ K:K1121 b:51.2 occ:1.00 O K:HOH2009 3.4 33.9 1.0 O J:HOH2033 4.1 28.3 1.0 CB J:SER106 4.1 18.0 1.0 O K:HOH2010 4.3 24.2 1.0 CG1 K:VAL89 4.5 17.2 1.0 O K:GLN88 4.5 14.9 1.0 OE1 K:GLU87 4.6 17.5 1.0 OG J:SER106 5.0 15.9 1.0 O J:HOH2041 5.0 19.4 1.0

C.R.Buttner, M.Chechik, M.Ortiz-Lombardia, C.Smits, I.O.Ebong, V.Chechik, G.Jeschke, E.Dykeman, S.Benini, C.V.Robinson, J.C.Alonso, A.A.Antson. Structural Basis For Dna Recognition and Loading Into A Viral Packaging Motor. Proc.Natl.Acad.Sci.Usa V. 109 811 2012.
ISSN: ISSN 0027-8424
PubMed: 22207627
DOI: 10.1073/PNAS.1110270109