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Potassium in PDB 3lqx: Srp Ribonucleoprotein Core Complexed with Cobalt Hexammine

Protein crystallography data

The structure of Srp Ribonucleoprotein Core Complexed with Cobalt Hexammine, PDB code: 3lqx was solved by R.T.Batey, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 20.00 / 1.93
Space group C 1 2 1
Cell size a, b, c (Å), α, β, γ (°) 136.818, 77.765, 32.735, 90.00, 94.08, 90.00
R / Rfree (%) 24.4 / 25.9

Other elements in 3lqx:

The structure of Srp Ribonucleoprotein Core Complexed with Cobalt Hexammine also contains other interesting chemical elements:

Cobalt (Co) 8 atoms
Chlorine (Cl) 1 atom

Potassium Binding Sites:

The binding sites of Potassium atom in the Srp Ribonucleoprotein Core Complexed with Cobalt Hexammine (pdb code 3lqx). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Srp Ribonucleoprotein Core Complexed with Cobalt Hexammine, PDB code: 3lqx:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in 3lqx

Go back to Potassium Binding Sites List in 3lqx
Potassium binding site 1 out of 2 in the Srp Ribonucleoprotein Core Complexed with Cobalt Hexammine


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Srp Ribonucleoprotein Core Complexed with Cobalt Hexammine within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K1

b:23.6
occ:1.00
O6 B:G165 2.8 23.2 1.0
O B:HOH12 2.8 20.4 1.0
O2 B:C147 2.8 29.9 1.0
N3 B:C147 2.8 30.0 1.0
OP2 B:C163 3.1 25.4 1.0
C2 B:C147 3.1 30.1 1.0
N7 B:A164 3.2 23.0 1.0
O4 B:U146 3.3 29.2 1.0
C5 B:C163 3.4 23.5 1.0
C6 B:G165 3.7 23.4 1.0
C6 B:C163 3.8 23.4 1.0
O B:HOH78 3.9 29.2 1.0
N3 B:U146 3.9 29.3 1.0
C4 B:C147 3.9 30.0 1.0
C4 B:U146 3.9 29.4 1.0
C8 B:A164 4.0 23.1 1.0
O5' B:C163 4.1 24.9 1.0
N7 B:G165 4.1 23.5 1.0
C4 B:C163 4.2 23.5 1.0
C5 B:G165 4.2 23.3 1.0
P B:C163 4.2 25.4 1.0
K B:K2 4.3 35.1 1.0
N4 B:C147 4.3 29.7 1.0
C5 B:A164 4.4 23.1 1.0
N1 B:C147 4.4 30.3 1.0
N6 B:A164 4.5 23.0 1.0
OP2 B:A164 4.5 22.9 1.0
N4 B:C163 4.5 23.4 1.0
N1 B:G165 4.7 23.2 1.0
N1 B:C163 4.8 23.4 1.0
C6 B:A164 4.9 23.1 1.0
O6 B:G145 5.0 30.6 1.0

Potassium binding site 2 out of 2 in 3lqx

Go back to Potassium Binding Sites List in 3lqx
Potassium binding site 2 out of 2 in the Srp Ribonucleoprotein Core Complexed with Cobalt Hexammine


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Srp Ribonucleoprotein Core Complexed with Cobalt Hexammine within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K2

b:35.1
occ:1.00
O B:HOH78 2.7 29.2 1.0
O4 B:U146 2.7 29.2 1.0
OP2 B:C163 2.9 25.4 1.0
OP1 B:C163 3.0 25.2 1.0
P B:C163 3.4 25.4 1.0
O B:HOH64 3.8 32.8 1.0
C4 B:U146 3.9 29.4 1.0
N4 B:C147 4.1 29.7 1.0
N3 B:NCO180 4.2 34.2 1.0
K B:K1 4.3 23.6 1.0
O6 B:G145 4.4 30.6 1.0
O5' B:C163 4.5 24.9 1.0
N7 B:G145 4.5 31.0 1.0
C5 B:U146 4.6 29.4 1.0
O B:HOH98 4.6 36.5 1.0
O3' B:G162 4.6 25.9 1.0
C4 B:C147 4.8 30.0 1.0
N3 B:C147 4.9 30.0 1.0
O B:HOH12 4.9 20.4 1.0
N3 B:U146 4.9 29.3 1.0

Reference:

R.T.Batey, J.A.Doudna. Structural and Energetic Analysis of Metal Ions Essential to Srp Signal Recognition Domain Assembly Biochemistry V. 41 11703 2002.
ISSN: ISSN 0006-2960
PubMed: 12269812
Page generated: Sun Dec 13 23:20:21 2020

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