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Potassium in PDB 4mmk: Q8A Hfq From Pseudomonas Aeruginosa

Protein crystallography data

The structure of Q8A Hfq From Pseudomonas Aeruginosa, PDB code: 4mmk was solved by V.N.Murina, V.V.Filimonov, B.S.Melnik, M.Uhlein, U.Mueller, M.Weiss, A.D.Nikulin, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 33.31 / 2.16
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 66.590, 116.540, 66.620, 90.00, 119.98, 90.00
R / Rfree (%) 21.6 / 25.6

Other elements in 4mmk:

The structure of Q8A Hfq From Pseudomonas Aeruginosa also contains other interesting chemical elements:

Zinc (Zn) 23 atoms
Sodium (Na) 3 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the Q8A Hfq From Pseudomonas Aeruginosa (pdb code 4mmk). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 8 binding sites of Potassium where determined in the Q8A Hfq From Pseudomonas Aeruginosa, PDB code: 4mmk:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6; 7; 8;

Potassium binding site 1 out of 8 in 4mmk

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Potassium binding site 1 out of 8 in the Q8A Hfq From Pseudomonas Aeruginosa


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Q8A Hfq From Pseudomonas Aeruginosa within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K103

b:31.4
occ:1.00
 O A:HOH224 2.5 19.8 1.0
OE1 A:GLU18 2.8 18.8 1.0
OE2 A:GLU18 3.1 23.4 1.0
NH1 A:ARG66 3.1 17.1 1.0
CD A:GLU18 3.3 20.7 1.0
CG1 A:VAL68 3.5 27.1 1.0
N A:ARG69 3.9 29.8 1.0
CG A:ARG69 3.9 22.3 1.0
CA A:VAL68 4.0 26.9 1.0
NH2 A:ARG66 4.0 18.2 1.0
CZ A:ARG66 4.0 21.1 1.0
CB A:VAL68 4.1 23.6 1.0
CG2 A:VAL68 4.2 22.2 1.0
O A:HOH227 4.3 25.8 1.0
CG2 A:THR14 4.4 23.4 1.0
C A:VAL68 4.5 27.5 1.0
CG A:GLU18 4.7 18.5 1.0
O A:ARG69 4.7 30.6 1.0
O A:PRO67 4.8 22.9 1.0
CD A:ARG69 4.8 22.5 1.0
CA A:ARG69 4.9 28.7 1.0

Potassium binding site 2 out of 8 in 4mmk

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Potassium binding site 2 out of 8 in the Q8A Hfq From Pseudomonas Aeruginosa


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Q8A Hfq From Pseudomonas Aeruginosa within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K103

b:26.3
occ:1.00
 O B:HOH212 2.6 21.3 1.0
CD B:GLU18 3.5 27.4 1.0
OE2 B:GLU18 3.6 30.1 1.0
OE1 B:GLU18 3.7 29.0 1.0
CG B:GLU18 4.0 26.7 1.0
CG2 B:THR14 4.3 23.5 1.0
NH1 B:ARG66 4.4 19.8 1.0
NH2 B:ARG66 4.6 28.0 1.0
O B:ARG69 4.9 31.9 1.0

Potassium binding site 3 out of 8 in 4mmk

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Potassium binding site 3 out of 8 in the Q8A Hfq From Pseudomonas Aeruginosa


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Q8A Hfq From Pseudomonas Aeruginosa within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K103

b:44.1
occ:1.00
 OD2 C:ASP9 2.7 25.5 1.0
O C:HOH223 2.8 30.4 1.0
CG C:ASP9 3.7 24.2 1.0
OD1 C:ASP9 4.0 31.0 1.0
O C:HOH219 4.1 20.9 1.0
ND2 C:ASN13 4.9 29.7 1.0
CB C:ASP9 4.9 26.9 1.0

Potassium binding site 4 out of 8 in 4mmk

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Potassium binding site 4 out of 8 in the Q8A Hfq From Pseudomonas Aeruginosa


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Q8A Hfq From Pseudomonas Aeruginosa within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K104

b:31.4
occ:1.00
 O C:HOH218 2.5 18.3 1.0
OE2 C:GLU18 2.5 24.6 1.0
O C:ARG69 3.5 32.7 1.0
CD C:GLU18 3.6 18.7 1.0
OE1 C:GLU18 4.0 16.1 1.0
CG2 C:THR14 4.0 28.0 1.0
C C:ARG69 4.3 29.6 1.0
N C:ARG69 4.4 26.8 1.0
O C:HOH224 4.6 39.0 1.0
CG C:GLU18 4.8 20.6 1.0
NH1 C:ARG66 4.9 14.6 1.0
CA C:ARG69 4.9 27.0 1.0

Potassium binding site 5 out of 8 in 4mmk

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Potassium binding site 5 out of 8 in the Q8A Hfq From Pseudomonas Aeruginosa


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Q8A Hfq From Pseudomonas Aeruginosa within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K103

b:26.1
occ:1.00
 O D:HOH216 2.7 26.4 1.0
OE2 D:GLU18 2.7 29.5 1.0
O D:HOH208 2.7 25.7 1.0
OE1 D:GLU18 2.8 22.4 1.0
CD D:GLU18 2.8 25.0 1.0
CG2 D:THR14 3.6 23.8 1.0
CG D:GLU18 3.9 22.8 1.0
O D:ARG69 4.2 40.4 1.0
NH2 D:ARG66 4.6 26.6 1.0
NH1 D:ARG66 4.7 27.9 1.0
CB D:GLU18 5.0 21.9 1.0

Potassium binding site 6 out of 8 in 4mmk

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Potassium binding site 6 out of 8 in the Q8A Hfq From Pseudomonas Aeruginosa


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of Q8A Hfq From Pseudomonas Aeruginosa within 5.0Å range:
probe atom residue distance (Å) B Occ
F:K103

b:29.4
occ:1.00
 OE2 F:GLU18 2.6 27.2 1.0
OE1 F:GLU18 2.8 25.6 1.0
CD F:GLU18 2.8 25.1 1.0
NH1 F:ARG66 3.6 23.4 1.0
CG F:GLU18 4.0 26.6 1.0
N F:ARG69 4.2 30.9 1.0
NH2 F:ARG66 4.4 19.8 1.0
CB F:ARG69 4.5 29.4 1.0
CZ F:ARG66 4.5 20.2 1.0
CG F:ARG69 4.5 33.5 1.0
CA F:VAL68 4.6 32.5 1.0
CG2 F:THR14 4.7 25.2 1.0
C F:VAL68 4.8 33.2 1.0
CA F:ARG69 4.9 33.4 1.0

Potassium binding site 7 out of 8 in 4mmk

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Potassium binding site 7 out of 8 in the Q8A Hfq From Pseudomonas Aeruginosa


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 7 of Q8A Hfq From Pseudomonas Aeruginosa within 5.0Å range:
probe atom residue distance (Å) B Occ
I:K104

b:46.1
occ:1.00
 O K:HOH214 4.5 18.5 1.0
O I:HOH221 4.7 19.4 1.0

Potassium binding site 8 out of 8 in 4mmk

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Potassium binding site 8 out of 8 in the Q8A Hfq From Pseudomonas Aeruginosa


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 8 of Q8A Hfq From Pseudomonas Aeruginosa within 5.0Å range:
probe atom residue distance (Å) B Occ
L:K103

b:38.6
occ:1.00
 O L:HOH218 2.7 29.2 1.0
OD2 L:ASP9 3.5 39.1 1.0
O L:HOH209 3.8 29.7 1.0
O L:HOH214 4.0 28.3 1.0
CE1 L:HIS5 4.4 33.7 1.0
CG L:ASP9 4.5 32.4 1.0
CB L:ASP9 4.9 27.6 1.0

Reference:

V.N.Murina, B.S.Melnik, V.V.Filimonov, M.Uhlein, M.S.Weiss, U.Muller, A.D.Nikulin. Effect of Conserved Intersubunit Amino Acid Substitutions on Hfq Protein Structure and Stability. Biochemistry Mosc. V. 79 469 2014.
ISSN: ISSN 0006-2979
PubMed: 24954598
DOI: 10.1134/S0006297914050113
Page generated: Sat Aug 9 07:28:34 2025

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