Potassium in PDB 6jxk: Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type)
Enzymatic activity of Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type)
All present enzymatic activity of Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type):
7.2.2.19;
Protein crystallography data
The structure of Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type), PDB code: 6jxk
was solved by
K.Abe,
K.Irie,
K.Yamamoto,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
47.79 /
4.30
|
Space group
|
C 1 2 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
191.510,
106.430,
250.960,
90.00,
107.79,
90.00
|
R / Rfree (%)
|
26.3 /
33.8
|
Other elements in 6jxk:
The structure of Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type) also contains other interesting chemical elements:
Potassium Binding Sites:
The binding sites of Potassium atom in the Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type)
(pdb code 6jxk). This binding sites where shown within
5.0 Angstroms radius around Potassium atom.
In total 6 binding sites of Potassium where determined in the
Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type), PDB code: 6jxk:
Jump to Potassium binding site number:
1;
2;
3;
4;
5;
6;
Potassium binding site 1 out
of 6 in 6jxk
Go back to
Potassium Binding Sites List in 6jxk
Potassium binding site 1 out
of 6 in the Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type)
 Mono view
 Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 1 of Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K1104
b:0.8
occ:1.00
|
O
|
A:ALA746
|
3.9
|
0.9
|
1.0
|
CB
|
A:SER748
|
4.0
|
0.4
|
1.0
|
O
|
A:ASP726
|
4.4
|
0.8
|
1.0
|
N
|
A:SER748
|
4.5
|
0.7
|
1.0
|
CA
|
A:GLY727
|
4.6
|
87.3
|
1.0
|
OG
|
A:SER225
|
4.6
|
0.2
|
1.0
|
CA
|
A:SER748
|
4.7
|
0.6
|
1.0
|
OG
|
A:SER748
|
4.8
|
0.8
|
1.0
|
ND2
|
A:ASN393
|
5.0
|
0.9
|
1.0
|
OD2
|
A:ASP726
|
5.0
|
0.2
|
1.0
|
|
Potassium binding site 2 out
of 6 in 6jxk
Go back to
Potassium Binding Sites List in 6jxk
Potassium binding site 2 out
of 6 in the Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type)
 Mono view
 Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 2 of Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K1105
b:0.5
occ:1.00
|
O
|
A:LYS735
|
2.7
|
0.2
|
1.0
|
OD2
|
A:ASP756
|
2.7
|
0.3
|
1.0
|
OD1
|
A:ASP756
|
2.9
|
0.4
|
1.0
|
O
|
A:ALA737
|
2.9
|
67.9
|
1.0
|
CG
|
A:ASP756
|
3.1
|
0.6
|
1.0
|
O
|
A:LEU734
|
3.6
|
0.2
|
1.0
|
C
|
A:LYS735
|
3.7
|
0.7
|
1.0
|
C
|
A:ALA737
|
4.1
|
73.1
|
1.0
|
CA
|
A:LYS735
|
4.1
|
0.7
|
1.0
|
N
|
A:GLY740
|
4.4
|
0.2
|
1.0
|
N
|
A:ALA737
|
4.5
|
54.8
|
1.0
|
CB
|
A:ASP756
|
4.6
|
98.7
|
1.0
|
C
|
A:LEU734
|
4.6
|
0.4
|
1.0
|
CA
|
A:ALA737
|
4.8
|
71.8
|
1.0
|
N
|
A:LYS736
|
4.8
|
67.3
|
1.0
|
N
|
A:LYS735
|
4.9
|
0.1
|
1.0
|
C
|
A:ASP738
|
4.9
|
72.1
|
1.0
|
C
|
A:LYS736
|
4.9
|
51.4
|
1.0
|
C
|
A:ILE739
|
5.0
|
0.7
|
1.0
|
O
|
A:ALA754
|
5.0
|
0.5
|
1.0
|
CA
|
A:ILE739
|
5.0
|
86.2
|
1.0
|
|
Potassium binding site 3 out
of 6 in 6jxk
Go back to
Potassium Binding Sites List in 6jxk
Potassium binding site 3 out
of 6 in the Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type)
 Mono view
 Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 3 of Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K1106
b:0.8
occ:1.00
|
OE2
|
A:GLU795
|
2.6
|
1.0
|
1.0
|
O
|
A:VAL338
|
2.7
|
0.3
|
1.0
|
O
|
A:VAL341
|
2.7
|
0.2
|
1.0
|
OE1
|
A:GLU343
|
2.7
|
1.0
|
1.0
|
CG
|
A:GLU820
|
3.1
|
0.7
|
1.0
|
O
|
A:ALA339
|
3.2
|
0.1
|
1.0
|
CD
|
A:GLU820
|
3.5
|
0.3
|
1.0
|
OE1
|
A:GLU820
|
3.5
|
0.3
|
1.0
|
ND2
|
A:ASN792
|
3.6
|
0.4
|
1.0
|
CD
|
A:GLU343
|
3.7
|
1.0
|
1.0
|
CD
|
A:GLU795
|
3.7
|
0.9
|
1.0
|
C
|
A:ALA339
|
3.7
|
0.7
|
1.0
|
C
|
A:VAL341
|
3.8
|
0.4
|
1.0
|
CG2
|
A:ILE816
|
3.8
|
0.7
|
1.0
|
C
|
A:VAL338
|
3.8
|
0.4
|
1.0
|
OE2
|
A:GLU343
|
3.9
|
0.8
|
1.0
|
CA
|
A:ALA339
|
4.0
|
0.5
|
1.0
|
CA
|
A:PRO342
|
4.2
|
0.9
|
1.0
|
OE1
|
A:GLU795
|
4.3
|
0.2
|
1.0
|
OE2
|
A:GLU820
|
4.3
|
0.9
|
1.0
|
CB
|
A:GLU820
|
4.3
|
0.5
|
1.0
|
N
|
A:ALA339
|
4.4
|
0.0
|
1.0
|
N
|
A:PRO342
|
4.4
|
0.3
|
1.0
|
N
|
A:GLU343
|
4.4
|
0.9
|
1.0
|
N
|
A:VAL341
|
4.6
|
0.8
|
1.0
|
N
|
A:TYR340
|
4.6
|
0.3
|
1.0
|
C
|
A:TYR340
|
4.7
|
0.8
|
1.0
|
CA
|
A:VAL341
|
4.8
|
1.0
|
1.0
|
CG
|
A:GLU795
|
4.8
|
0.2
|
1.0
|
CB
|
A:GLU795
|
4.8
|
0.9
|
1.0
|
C
|
A:PRO342
|
4.9
|
0.4
|
1.0
|
CG
|
A:ASN792
|
4.9
|
0.4
|
1.0
|
O
|
A:TYR340
|
5.0
|
0.8
|
1.0
|
CA
|
A:VAL338
|
5.0
|
0.9
|
1.0
|
|
Potassium binding site 4 out
of 6 in 6jxk
Go back to
Potassium Binding Sites List in 6jxk
Potassium binding site 4 out
of 6 in the Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type)
 Mono view
 Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 4 of Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type) within 5.0Å range:
|
Potassium binding site 5 out
of 6 in 6jxk
Go back to
Potassium Binding Sites List in 6jxk
Potassium binding site 5 out
of 6 in the Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type)
 Mono view
 Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 5 of Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
E:K1104
b:0.8
occ:1.00
|
OD2
|
E:ASP756
|
2.7
|
0.1
|
1.0
|
O
|
E:LYS735
|
2.7
|
0.6
|
1.0
|
O
|
E:ALA737
|
2.9
|
0.4
|
1.0
|
OD1
|
E:ASP756
|
3.0
|
0.9
|
1.0
|
CG
|
E:ASP756
|
3.2
|
0.2
|
1.0
|
O
|
E:LEU734
|
3.4
|
0.2
|
1.0
|
C
|
E:LYS735
|
3.5
|
0.5
|
1.0
|
CA
|
E:LYS735
|
3.7
|
0.0
|
1.0
|
O
|
E:ASP738
|
4.0
|
0.9
|
1.0
|
C
|
E:ALA737
|
4.1
|
0.9
|
1.0
|
C
|
E:LEU734
|
4.3
|
1.0
|
1.0
|
N
|
E:LYS735
|
4.5
|
0.6
|
1.0
|
C
|
E:ASP738
|
4.5
|
0.1
|
1.0
|
N
|
E:LYS736
|
4.7
|
0.2
|
1.0
|
CB
|
E:ASP756
|
4.7
|
1.0
|
1.0
|
N
|
E:GLY740
|
4.7
|
0.7
|
1.0
|
N
|
E:ALA737
|
4.8
|
0.6
|
1.0
|
CB
|
E:LYS735
|
4.8
|
0.3
|
1.0
|
O
|
E:ALA754
|
4.8
|
0.8
|
1.0
|
CD
|
E:LYS735
|
4.9
|
0.7
|
1.0
|
C
|
E:LYS736
|
4.9
|
0.7
|
1.0
|
CA
|
E:ALA737
|
5.0
|
0.1
|
1.0
|
|
Potassium binding site 6 out
of 6 in 6jxk
Go back to
Potassium Binding Sites List in 6jxk
Potassium binding site 6 out
of 6 in the Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type)
 Mono view
 Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 6 of Rb+-Bound E2-Mgf State of the Gastric Proton Pump (Wild-Type) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
E:K1105
b:0.6
occ:1.00
|
OE2
|
E:GLU795
|
2.6
|
0.8
|
1.0
|
O
|
E:VAL338
|
2.6
|
0.2
|
1.0
|
O
|
E:VAL341
|
2.6
|
0.4
|
1.0
|
OE1
|
E:GLU343
|
2.7
|
0.7
|
1.0
|
O
|
E:ALA339
|
2.7
|
0.4
|
1.0
|
CG
|
E:GLU820
|
3.1
|
0.0
|
1.0
|
OE1
|
E:GLU820
|
3.3
|
0.6
|
1.0
|
CD
|
E:GLU820
|
3.3
|
0.2
|
1.0
|
C
|
E:ALA339
|
3.3
|
0.4
|
1.0
|
ND2
|
E:ASN792
|
3.4
|
0.9
|
1.0
|
CG2
|
E:ILE816
|
3.4
|
0.9
|
1.0
|
CD
|
E:GLU343
|
3.4
|
0.6
|
1.0
|
OE2
|
E:GLU343
|
3.5
|
0.0
|
1.0
|
CA
|
E:ALA339
|
3.6
|
0.8
|
1.0
|
C
|
E:VAL338
|
3.7
|
0.9
|
1.0
|
CD
|
E:GLU795
|
3.8
|
0.2
|
1.0
|
C
|
E:VAL341
|
3.8
|
0.7
|
1.0
|
OE2
|
E:GLU820
|
4.1
|
0.5
|
1.0
|
N
|
E:ALA339
|
4.1
|
0.9
|
1.0
|
CB
|
E:GLU820
|
4.3
|
0.6
|
1.0
|
N
|
E:TYR340
|
4.3
|
0.6
|
1.0
|
N
|
E:VAL341
|
4.4
|
0.5
|
1.0
|
C
|
E:TYR340
|
4.4
|
0.6
|
1.0
|
OE1
|
E:GLU795
|
4.4
|
0.9
|
1.0
|
N
|
E:GLU343
|
4.6
|
0.4
|
1.0
|
CA
|
E:PRO342
|
4.6
|
0.5
|
1.0
|
N
|
E:PRO342
|
4.6
|
0.5
|
1.0
|
O
|
E:TYR340
|
4.7
|
0.1
|
1.0
|
CA
|
E:VAL341
|
4.7
|
0.5
|
1.0
|
CG
|
E:ASN792
|
4.7
|
0.6
|
1.0
|
CB
|
E:GLU795
|
4.7
|
0.6
|
1.0
|
CG
|
E:GLU795
|
4.8
|
0.9
|
1.0
|
CA
|
E:TYR340
|
4.9
|
0.7
|
1.0
|
CG
|
E:GLU343
|
4.9
|
0.6
|
1.0
|
CB
|
E:ILE816
|
4.9
|
0.3
|
1.0
|
CB
|
E:ALA339
|
4.9
|
0.7
|
1.0
|
|
Reference:
K.Yamamoto,
V.Dubey,
K.Irie,
H.Nakanishi,
H.Khandelia,
Y.Fujiyoshi,
K.Abe.
A Single K+-Binding Site in the Crystal Structure of the Gastric Proton Pump. Elife V. 8 2019.
ISSN: ESSN 2050-084X
PubMed: 31436534
DOI: 10.7554/ELIFE.47701
Page generated: Mon Aug 12 16:44:55 2024
|