Potassium in PDB 4rdq: Calcium-Activated Chloride Channel Bestrophin-1, From Chicken, in Complex with Fab Antibody Fragments, Chloride and Calcium
Protein crystallography data
The structure of Calcium-Activated Chloride Channel Bestrophin-1, From Chicken, in Complex with Fab Antibody Fragments, Chloride and Calcium, PDB code: 4rdq
was solved by
V.K.Dickson,
L.Pedi,
S.B.Long,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
39.89 /
2.85
|
Space group
|
P 1 21 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
98.540,
242.904,
172.757,
90.00,
93.68,
90.00
|
R / Rfree (%)
|
21.7 /
23.4
|
Other elements in 4rdq:
The structure of Calcium-Activated Chloride Channel Bestrophin-1, From Chicken, in Complex with Fab Antibody Fragments, Chloride and Calcium also contains other interesting chemical elements:
Potassium Binding Sites:
The binding sites of Potassium atom in the Calcium-Activated Chloride Channel Bestrophin-1, From Chicken, in Complex with Fab Antibody Fragments, Chloride and Calcium
(pdb code 4rdq). This binding sites where shown within
5.0 Angstroms radius around Potassium atom.
In total 5 binding sites of Potassium where determined in the
Calcium-Activated Chloride Channel Bestrophin-1, From Chicken, in Complex with Fab Antibody Fragments, Chloride and Calcium, PDB code: 4rdq:
Jump to Potassium binding site number:
1;
2;
3;
4;
5;
Potassium binding site 1 out
of 5 in 4rdq
Go back to
Potassium Binding Sites List in 4rdq
Potassium binding site 1 out
of 5 in the Calcium-Activated Chloride Channel Bestrophin-1, From Chicken, in Complex with Fab Antibody Fragments, Chloride and Calcium
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 1 of Calcium-Activated Chloride Channel Bestrophin-1, From Chicken, in Complex with Fab Antibody Fragments, Chloride and Calcium within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K506
b:87.9
occ:1.00
|
OH
|
A:TYR245
|
2.8
|
96.3
|
1.0
|
O
|
E:LEU14
|
2.9
|
90.1
|
1.0
|
OG
|
E:SER18
|
3.2
|
94.4
|
1.0
|
OE2
|
A:GLU292
|
3.4
|
87.8
|
1.0
|
OE2
|
A:GLU35
|
3.4
|
85.2
|
1.0
|
C
|
E:LEU14
|
4.0
|
82.6
|
1.0
|
CZ
|
A:TYR245
|
4.1
|
95.3
|
1.0
|
CD
|
A:GLU292
|
4.2
|
82.3
|
1.0
|
N
|
E:SER18
|
4.3
|
78.4
|
1.0
|
OE1
|
A:GLU292
|
4.3
|
86.6
|
1.0
|
CA
|
E:GLY15
|
4.4
|
61.8
|
1.0
|
N
|
E:PHE17
|
4.4
|
71.1
|
1.0
|
CD
|
A:GLU35
|
4.4
|
83.0
|
1.0
|
CG
|
A:GLU35
|
4.4
|
73.4
|
1.0
|
NZ
|
A:LYS289
|
4.5
|
58.8
|
1.0
|
CB
|
E:SER18
|
4.5
|
82.3
|
1.0
|
N
|
E:THR16
|
4.5
|
74.9
|
1.0
|
C
|
E:GLY15
|
4.6
|
64.0
|
1.0
|
N
|
E:GLY15
|
4.7
|
60.8
|
1.0
|
CB
|
E:PHE17
|
4.7
|
65.1
|
1.0
|
O
|
E:ARG13
|
4.7
|
81.0
|
1.0
|
CE
|
A:LYS289
|
4.7
|
48.9
|
1.0
|
CE1
|
A:TYR245
|
4.8
|
92.3
|
1.0
|
CA
|
E:PHE17
|
4.9
|
68.3
|
1.0
|
C31
|
E:C6N507
|
5.0
|
0.9
|
1.0
|
|
Potassium binding site 2 out
of 5 in 4rdq
Go back to
Potassium Binding Sites List in 4rdq
Potassium binding site 2 out
of 5 in the Calcium-Activated Chloride Channel Bestrophin-1, From Chicken, in Complex with Fab Antibody Fragments, Chloride and Calcium
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 2 of Calcium-Activated Chloride Channel Bestrophin-1, From Chicken, in Complex with Fab Antibody Fragments, Chloride and Calcium within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:K506
b:88.6
occ:1.00
|
OH
|
B:TYR245
|
2.9
|
0.2
|
1.0
|
O
|
A:LEU14
|
2.9
|
89.2
|
1.0
|
OG
|
A:SER18
|
3.2
|
87.6
|
1.0
|
OE2
|
B:GLU292
|
3.3
|
94.1
|
1.0
|
OE2
|
B:GLU35
|
3.4
|
91.6
|
1.0
|
C
|
A:LEU14
|
4.0
|
79.6
|
1.0
|
CD
|
B:GLU292
|
4.2
|
89.8
|
1.0
|
CZ
|
B:TYR245
|
4.2
|
99.4
|
1.0
|
N
|
A:SER18
|
4.3
|
75.8
|
1.0
|
OE1
|
B:GLU292
|
4.3
|
93.8
|
1.0
|
CA
|
A:GLY15
|
4.3
|
71.0
|
1.0
|
N
|
A:PHE17
|
4.4
|
71.6
|
1.0
|
CD
|
B:GLU35
|
4.4
|
91.1
|
1.0
|
CG
|
B:GLU35
|
4.4
|
82.5
|
1.0
|
CB
|
A:SER18
|
4.5
|
76.4
|
1.0
|
N
|
A:THR16
|
4.5
|
82.2
|
1.0
|
NZ
|
B:LYS289
|
4.5
|
60.4
|
1.0
|
C
|
A:GLY15
|
4.6
|
73.2
|
1.0
|
N
|
A:GLY15
|
4.6
|
68.6
|
1.0
|
CB
|
A:PHE17
|
4.7
|
64.6
|
1.0
|
O
|
A:ARG13
|
4.7
|
74.4
|
1.0
|
CE
|
B:LYS289
|
4.8
|
52.7
|
1.0
|
CE1
|
B:TYR245
|
4.8
|
95.7
|
1.0
|
CA
|
A:PHE17
|
4.9
|
69.3
|
1.0
|
C31
|
A:C6N507
|
5.0
|
0.5
|
1.0
|
CA
|
A:SER18
|
5.0
|
75.3
|
1.0
|
|
Potassium binding site 3 out
of 5 in 4rdq
Go back to
Potassium Binding Sites List in 4rdq
Potassium binding site 3 out
of 5 in the Calcium-Activated Chloride Channel Bestrophin-1, From Chicken, in Complex with Fab Antibody Fragments, Chloride and Calcium
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 3 of Calcium-Activated Chloride Channel Bestrophin-1, From Chicken, in Complex with Fab Antibody Fragments, Chloride and Calcium within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:K506
b:88.5
occ:1.00
|
OH
|
C:TYR245
|
2.8
|
0.7
|
1.0
|
O
|
B:LEU14
|
2.9
|
83.7
|
1.0
|
OG
|
B:SER18
|
3.2
|
99.2
|
1.0
|
OE2
|
C:GLU292
|
3.4
|
86.5
|
1.0
|
OE2
|
C:GLU35
|
3.5
|
89.7
|
1.0
|
C
|
B:LEU14
|
4.0
|
76.2
|
1.0
|
CZ
|
C:TYR245
|
4.2
|
0.1
|
1.0
|
CD
|
C:GLU292
|
4.2
|
82.6
|
1.0
|
N
|
B:SER18
|
4.2
|
84.6
|
1.0
|
OE1
|
C:GLU292
|
4.3
|
87.3
|
1.0
|
CA
|
B:GLY15
|
4.3
|
72.5
|
1.0
|
N
|
B:PHE17
|
4.3
|
71.4
|
1.0
|
CD
|
C:GLU35
|
4.4
|
88.6
|
1.0
|
CB
|
B:SER18
|
4.4
|
86.9
|
1.0
|
N
|
B:THR16
|
4.5
|
86.2
|
1.0
|
CG
|
C:GLU35
|
4.5
|
79.9
|
1.0
|
NZ
|
C:LYS289
|
4.5
|
65.1
|
1.0
|
C
|
B:GLY15
|
4.6
|
75.4
|
1.0
|
N
|
B:GLY15
|
4.6
|
69.9
|
1.0
|
CB
|
B:PHE17
|
4.6
|
65.3
|
1.0
|
O
|
B:ARG13
|
4.7
|
66.5
|
1.0
|
CE
|
C:LYS289
|
4.8
|
57.6
|
1.0
|
CE1
|
C:TYR245
|
4.8
|
1.0
|
1.0
|
CA
|
B:PHE17
|
4.9
|
69.1
|
1.0
|
CA
|
B:SER18
|
4.9
|
85.6
|
1.0
|
C31
|
B:C6N507
|
5.0
|
0.1
|
1.0
|
|
Potassium binding site 4 out
of 5 in 4rdq
Go back to
Potassium Binding Sites List in 4rdq
Potassium binding site 4 out
of 5 in the Calcium-Activated Chloride Channel Bestrophin-1, From Chicken, in Complex with Fab Antibody Fragments, Chloride and Calcium
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 4 of Calcium-Activated Chloride Channel Bestrophin-1, From Chicken, in Complex with Fab Antibody Fragments, Chloride and Calcium within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:K507
b:86.6
occ:1.00
|
OH
|
D:TYR245
|
2.9
|
96.0
|
1.0
|
O
|
C:LEU14
|
2.9
|
80.0
|
1.0
|
OG
|
C:SER18
|
3.1
|
93.9
|
1.0
|
OE2
|
D:GLU292
|
3.3
|
84.0
|
1.0
|
OE2
|
D:GLU35
|
3.5
|
87.0
|
1.0
|
C
|
C:LEU14
|
4.0
|
72.9
|
1.0
|
CD
|
D:GLU292
|
4.2
|
79.3
|
1.0
|
N
|
C:SER18
|
4.2
|
79.8
|
1.0
|
CZ
|
D:TYR245
|
4.2
|
95.2
|
1.0
|
N
|
C:PHE17
|
4.2
|
64.5
|
1.0
|
CA
|
C:GLY15
|
4.3
|
59.9
|
1.0
|
OE1
|
D:GLU292
|
4.3
|
85.5
|
1.0
|
N
|
C:THR16
|
4.4
|
72.7
|
1.0
|
CB
|
C:SER18
|
4.4
|
82.4
|
1.0
|
CD
|
D:GLU35
|
4.5
|
85.5
|
1.0
|
C
|
C:GLY15
|
4.5
|
63.5
|
1.0
|
NZ
|
D:LYS289
|
4.5
|
54.9
|
1.0
|
CG
|
D:GLU35
|
4.5
|
76.5
|
1.0
|
N
|
C:GLY15
|
4.6
|
58.7
|
1.0
|
CB
|
C:PHE17
|
4.6
|
57.7
|
1.0
|
O
|
C:ARG13
|
4.7
|
70.2
|
1.0
|
CE
|
D:LYS289
|
4.8
|
48.6
|
1.0
|
CA
|
C:PHE17
|
4.8
|
61.4
|
1.0
|
CE1
|
D:TYR245
|
4.8
|
91.8
|
1.0
|
CA
|
C:SER18
|
4.9
|
81.6
|
1.0
|
C
|
C:PHE17
|
5.0
|
62.1
|
1.0
|
|
Potassium binding site 5 out
of 5 in 4rdq
Go back to
Potassium Binding Sites List in 4rdq
Potassium binding site 5 out
of 5 in the Calcium-Activated Chloride Channel Bestrophin-1, From Chicken, in Complex with Fab Antibody Fragments, Chloride and Calcium
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 5 of Calcium-Activated Chloride Channel Bestrophin-1, From Chicken, in Complex with Fab Antibody Fragments, Chloride and Calcium within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
E:K506
b:79.4
occ:1.00
|
O
|
D:LEU14
|
2.8
|
81.1
|
1.0
|
OH
|
E:TYR245
|
2.9
|
90.3
|
1.0
|
OG
|
D:SER18
|
3.1
|
94.0
|
1.0
|
OE2
|
E:GLU292
|
3.4
|
78.5
|
1.0
|
OE2
|
E:GLU35
|
3.5
|
81.8
|
1.0
|
C
|
D:LEU14
|
3.9
|
74.9
|
1.0
|
N
|
D:SER18
|
4.2
|
79.9
|
1.0
|
CZ
|
E:TYR245
|
4.2
|
90.2
|
1.0
|
CA
|
D:GLY15
|
4.2
|
66.3
|
1.0
|
CD
|
E:GLU292
|
4.2
|
74.2
|
1.0
|
N
|
D:PHE17
|
4.3
|
64.5
|
1.0
|
OE1
|
E:GLU292
|
4.3
|
80.1
|
1.0
|
N
|
D:THR16
|
4.4
|
73.1
|
1.0
|
CB
|
D:SER18
|
4.4
|
81.4
|
1.0
|
CD
|
E:GLU35
|
4.4
|
79.6
|
1.0
|
C
|
D:GLY15
|
4.5
|
69.8
|
1.0
|
CG
|
E:GLU35
|
4.5
|
70.8
|
1.0
|
N
|
D:GLY15
|
4.5
|
64.7
|
1.0
|
NZ
|
E:LYS289
|
4.6
|
56.4
|
1.0
|
CB
|
D:PHE17
|
4.6
|
60.2
|
1.0
|
O
|
D:ARG13
|
4.7
|
72.5
|
1.0
|
CE
|
E:LYS289
|
4.8
|
50.1
|
1.0
|
CE1
|
E:TYR245
|
4.9
|
87.3
|
1.0
|
CA
|
D:PHE17
|
4.9
|
62.4
|
1.0
|
CA
|
D:SER18
|
4.9
|
80.6
|
1.0
|
C31
|
D:C6N506
|
4.9
|
0.2
|
1.0
|
|
Reference:
V.K.Dickson,
L.Pedi,
S.B.Long.
Structure and Insights Into the Function of A CA2+ -Activated Cl- Channel Nature 2014.
ISSN: ESSN 1476-4687
DOI: 10.1038/NATURE13913
Page generated: Mon Aug 12 11:58:32 2024
|