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Potassium in PDB 1xgk: Crystal Structure of N12G and A18G Mutant Nmra

Protein crystallography data

The structure of Crystal Structure of N12G and A18G Mutant Nmra, PDB code: 1xgk was solved by H.K.Lamb, J.Ren, A.Park, C.Johnson, K.Leslie, S.Cocklin, P.Thompson, C.Mee, A.Cooper, D.K.Stammers, A.R.Hawkins, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 24.38 / 1.40
Space group P 32 2 1
Cell size a, b, c (Å), α, β, γ (°) 76.610, 76.610, 103.820, 90.00, 90.00, 120.00
R / Rfree (%) 19.3 / 23.8

Other elements in 1xgk:

The structure of Crystal Structure of N12G and A18G Mutant Nmra also contains other interesting chemical elements:

Chlorine (Cl) 5 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the Crystal Structure of N12G and A18G Mutant Nmra (pdb code 1xgk). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the Crystal Structure of N12G and A18G Mutant Nmra, PDB code: 1xgk:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in 1xgk

Go back to Potassium Binding Sites List in 1xgk
Potassium binding site 1 out of 4 in the Crystal Structure of N12G and A18G Mutant Nmra


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 N12G and A18G Mutant Nmra within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K503

b:22.6
occ:1.00
 O A:VAL53 2.5 14.5 1.0
O A:GLN48 2.6 19.6 1.0
O A:ILE50 2.7 21.7 1.0
O A:HOH2010 2.7 39.9 1.0
O A:HOH1373 2.8 37.8 1.0
O A:HOH1396 2.8 49.7 1.0
O A:PRO51 3.5 27.1 1.0
C A:ILE50 3.5 19.7 1.0
C A:VAL53 3.7 17.1 1.0
C A:GLN48 3.7 21.0 1.0
C A:PRO51 3.9 22.2 1.0
CA A:PRO51 4.0 26.2 1.0
O A:HOH1149 4.0 30.9 1.0
O A:HOH1066 4.0 26.0 1.0
N A:PRO51 4.1 28.6 1.0
N A:VAL53 4.1 14.0 1.0
N A:ILE50 4.2 17.4 1.0
CA A:VAL53 4.3 12.5 1.0
O A:HOH1023 4.4 19.8 1.0
CA A:GLN48 4.5 18.9 1.0
CB A:VAL53 4.5 17.1 1.0
C A:ALA49 4.5 22.2 1.0
O A:LEU47 4.5 16.6 1.0
CA A:ILE50 4.6 16.5 1.0
N A:ALA49 4.6 15.1 1.0
O A:HOH2009 4.7 46.5 1.0
N A:THR54 4.8 13.2 1.0
CA A:ALA49 4.8 17.4 1.0
N A:ASN52 4.9 16.7 1.0
O A:HOH1108 4.9 48.1 1.0
O A:HOH1201 5.0 30.0 1.0

Potassium binding site 2 out of 4 in 1xgk

Go back to Potassium Binding Sites List in 1xgk
Potassium binding site 2 out of 4 in the Crystal Structure of N12G and A18G Mutant Nmra


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 N12G and A18G Mutant Nmra within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K504

b:23.6
occ:1.00
 O A:HOH1006 2.6 16.9 1.0
O A:LEU141 2.7 19.4 1.0
O A:ARG139 2.9 22.8 1.0
O A:HOH1084 3.8 24.4 1.0
O A:LEU143 3.8 28.1 1.0
C A:ARG139 3.9 22.8 1.0
C A:LEU141 3.9 19.8 1.0
N A:LEU141 4.4 18.9 1.0
CA A:ARG139 4.6 23.9 1.0
OD1 A:ASN212 4.6 15.2 1.0
C A:GLY142 4.6 25.5 1.0
O A:VAL138 4.6 21.2 1.0
CA A:GLY142 4.6 18.9 1.0
C A:LEU143 4.7 24.9 1.0
C A:GLN140 4.7 24.9 1.0
N A:GLN140 4.7 20.8 1.0
N A:GLY142 4.7 16.6 1.0
N A:LEU143 4.8 20.4 1.0
ND2 A:ASN212 4.8 19.3 1.0
CA A:LEU141 4.8 20.4 1.0
CA A:GLN140 4.9 27.8 1.0
OG A:SER145 4.9 19.4 1.0
O A:GLY142 5.0 45.9 1.0

Potassium binding site 3 out of 4 in 1xgk

Go back to Potassium Binding Sites List in 1xgk
Potassium binding site 3 out of 4 in the Crystal Structure of N12G and A18G Mutant Nmra


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Crystal Structure of N12G and A18G Mutant Nmra within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K965

b:29.0
occ:1.00
 O A:GLN140 2.7 22.7 1.0
O A:HOH1497 3.0 44.5 1.0
C A:GLN140 3.9 24.9 1.0
CA A:LEU141 4.3 20.4 1.0
N A:GLY142 4.4 16.6 1.0
N A:LEU141 4.6 18.9 1.0
C A:LEU141 4.6 19.8 1.0
CD2 A:LEU141 5.0 32.2 1.0
CA A:GLN140 5.0 27.8 1.0

Potassium binding site 4 out of 4 in 1xgk

Go back to Potassium Binding Sites List in 1xgk
Potassium binding site 4 out of 4 in the Crystal Structure of N12G and A18G Mutant Nmra


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Crystal Structure of N12G and A18G Mutant Nmra within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K966

b:28.7
occ:1.00
 O A:HOH1064 2.7 25.3 1.0
O A:SER112 2.7 12.6 1.0
OG A:SER111 2.8 15.2 1.0
N A:ALA150 2.9 11.5 1.0
O A:VAL148 3.2 11.5 1.0
CB A:ALA150 3.6 11.3 1.0
CA A:TYR149 3.6 15.9 1.0
N A:SER112 3.7 12.7 1.0
C A:TYR149 3.7 12.0 1.0
C A:SER112 3.7 12.4 1.0
SD A:MET113 3.7 14.8 1.0
CA A:ALA150 3.8 12.2 1.0
C A:SER111 3.9 13.0 1.0
O A:HOH2046 4.0 35.5 1.0
CG A:MET113 4.0 12.4 1.0
CB A:SER111 4.0 16.2 1.0
C A:VAL148 4.0 12.4 1.0
CA A:SER111 4.1 14.9 1.0
N A:TYR149 4.2 13.1 1.0
CA A:SER112 4.3 12.4 1.0
O A:SER111 4.4 14.2 1.0
OE1 A:GLN17 4.4 19.1 1.0
NE2 A:GLN17 4.6 15.1 1.0
O A:HOH1247 4.7 26.8 1.0
N A:MET113 4.8 13.9 1.0
O A:ALA150 4.8 16.0 1.0
C A:ALA150 4.8 12.3 1.0
CB A:TYR149 4.8 14.1 1.0
O A:TYR149 4.9 14.1 1.0
CD A:GLN17 4.9 17.1 1.0

Reference:

H.K.Lamb, J.Ren, A.Park, C.Johnson, K.Leslie, S.Cocklin, P.Thompson, C.Mee, A.Cooper, D.K.Stammers, A.R.Hawkins. Modulation of the Ligand Binding Properties of the Transcription Repressor Nmra By Gata-Containing Dna and Site-Directed Mutagenesis Protein Sci. V. 13 3127 2004.
ISSN: ISSN 0961-8368
PubMed: 15537757
DOI: 10.1110/PS.04958904
Page generated: Sat Aug 9 02:54:29 2025

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