Potassium in PDB 8ti1: Cryo-Em Structure of A SUR1/KIR6.2-Q52R Atp-Sensitive Potassium Channel in the Presence of PIP2 in the Open Conformation
Potassium Binding Sites:
The binding sites of Potassium atom in the Cryo-Em Structure of A SUR1/KIR6.2-Q52R Atp-Sensitive Potassium Channel in the Presence of PIP2 in the Open Conformation
(pdb code 8ti1). This binding sites where shown within
5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the
Cryo-Em Structure of A SUR1/KIR6.2-Q52R Atp-Sensitive Potassium Channel in the Presence of PIP2 in the Open Conformation, PDB code: 8ti1:
Jump to Potassium binding site number:
1;
2;
3;
4;
Potassium binding site 1 out
of 4 in 8ti1
Go back to
Potassium Binding Sites List in 8ti1
Potassium binding site 1 out
of 4 in the Cryo-Em Structure of A SUR1/KIR6.2-Q52R Atp-Sensitive Potassium Channel in the Presence of PIP2 in the Open Conformation
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 1 of Cryo-Em Structure of A SUR1/KIR6.2-Q52R Atp-Sensitive Potassium Channel in the Presence of PIP2 in the Open Conformation within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K402
b:124.0
occ:1.00
|
OG1
|
C:THR130
|
3.2
|
89.9
|
1.0
|
OG1
|
B:THR130
|
3.2
|
93.3
|
1.0
|
OG1
|
D:THR130
|
3.2
|
94.8
|
1.0
|
OG1
|
A:THR130
|
3.2
|
97.6
|
1.0
|
CB
|
B:THR130
|
4.3
|
92.8
|
1.0
|
CB
|
C:THR130
|
4.3
|
90.3
|
1.0
|
CB
|
D:THR130
|
4.3
|
95.1
|
1.0
|
CB
|
A:THR130
|
4.3
|
97.4
|
1.0
|
O
|
A:THR130
|
4.6
|
111.8
|
1.0
|
O
|
B:THR130
|
4.6
|
108.0
|
1.0
|
O
|
D:THR130
|
4.6
|
110.2
|
1.0
|
O
|
C:THR130
|
4.6
|
105.5
|
1.0
|
O
|
C:VAL129
|
4.9
|
90.4
|
1.0
|
O
|
B:VAL129
|
4.9
|
88.8
|
1.0
|
O
|
D:VAL129
|
4.9
|
90.6
|
1.0
|
O
|
A:VAL129
|
4.9
|
95.5
|
1.0
|
|
Potassium binding site 2 out
of 4 in 8ti1
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Potassium Binding Sites List in 8ti1
Potassium binding site 2 out
of 4 in the Cryo-Em Structure of A SUR1/KIR6.2-Q52R Atp-Sensitive Potassium Channel in the Presence of PIP2 in the Open Conformation
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 2 of Cryo-Em Structure of A SUR1/KIR6.2-Q52R Atp-Sensitive Potassium Channel in the Presence of PIP2 in the Open Conformation within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K403
b:88.0
occ:1.00
|
O
|
D:GLY132
|
2.7
|
112.5
|
1.0
|
O
|
A:GLY132
|
2.7
|
106.4
|
1.0
|
O
|
B:GLY132
|
2.7
|
107.5
|
1.0
|
O
|
C:GLY132
|
2.7
|
110.6
|
1.0
|
O
|
A:PHE133
|
2.9
|
85.8
|
1.0
|
O
|
C:PHE133
|
2.9
|
93.9
|
1.0
|
O
|
D:PHE133
|
2.9
|
92.5
|
1.0
|
O
|
B:PHE133
|
2.9
|
88.3
|
1.0
|
C
|
A:PHE133
|
3.5
|
74.9
|
1.0
|
C
|
D:PHE133
|
3.5
|
82.3
|
1.0
|
C
|
C:PHE133
|
3.5
|
85.4
|
1.0
|
C
|
B:PHE133
|
3.5
|
78.1
|
1.0
|
C
|
D:GLY132
|
3.9
|
108.5
|
1.0
|
C
|
A:GLY132
|
3.9
|
101.8
|
1.0
|
C
|
B:GLY132
|
3.9
|
102.5
|
1.0
|
C
|
C:GLY132
|
3.9
|
106.0
|
1.0
|
CA
|
A:PHE133
|
4.0
|
74.1
|
1.0
|
CA
|
D:PHE133
|
4.0
|
81.9
|
1.0
|
CA
|
C:PHE133
|
4.0
|
84.6
|
1.0
|
CA
|
B:PHE133
|
4.0
|
76.8
|
1.0
|
N
|
D:GLY134
|
4.2
|
84.0
|
1.0
|
N
|
C:GLY134
|
4.2
|
84.3
|
1.0
|
N
|
A:GLY134
|
4.3
|
83.0
|
1.0
|
N
|
B:GLY134
|
4.3
|
85.2
|
1.0
|
N
|
D:PHE133
|
4.4
|
82.0
|
1.0
|
N
|
A:PHE133
|
4.5
|
73.2
|
1.0
|
N
|
B:PHE133
|
4.5
|
76.7
|
1.0
|
N
|
C:PHE133
|
4.5
|
84.0
|
1.0
|
CA
|
D:GLY134
|
4.5
|
92.0
|
1.0
|
CA
|
C:GLY134
|
4.5
|
91.8
|
1.0
|
CA
|
B:GLY134
|
4.5
|
93.0
|
1.0
|
CA
|
A:GLY134
|
4.5
|
91.3
|
1.0
|
|
Potassium binding site 3 out
of 4 in 8ti1
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Potassium Binding Sites List in 8ti1
Potassium binding site 3 out
of 4 in the Cryo-Em Structure of A SUR1/KIR6.2-Q52R Atp-Sensitive Potassium Channel in the Presence of PIP2 in the Open Conformation
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 3 of Cryo-Em Structure of A SUR1/KIR6.2-Q52R Atp-Sensitive Potassium Channel in the Presence of PIP2 in the Open Conformation within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K404
b:312.0
occ:1.00
|
O
|
B:ILE131
|
2.8
|
173.6
|
1.0
|
O
|
A:ILE131
|
2.8
|
179.0
|
1.0
|
O
|
D:ILE131
|
2.8
|
181.5
|
1.0
|
O
|
C:ILE131
|
2.8
|
167.1
|
1.0
|
O
|
C:THR130
|
2.8
|
105.5
|
1.0
|
O
|
B:THR130
|
2.8
|
108.0
|
1.0
|
O
|
D:THR130
|
2.8
|
110.2
|
1.0
|
O
|
A:THR130
|
2.8
|
111.8
|
1.0
|
C
|
D:ILE131
|
3.6
|
178.6
|
1.0
|
C
|
B:ILE131
|
3.6
|
170.4
|
1.0
|
C
|
A:ILE131
|
3.6
|
176.0
|
1.0
|
C
|
C:ILE131
|
3.6
|
163.6
|
1.0
|
C
|
C:THR130
|
3.9
|
93.1
|
1.0
|
C
|
B:THR130
|
3.9
|
96.2
|
1.0
|
C
|
A:THR130
|
3.9
|
100.7
|
1.0
|
C
|
D:THR130
|
3.9
|
98.8
|
1.0
|
CA
|
B:ILE131
|
4.0
|
169.1
|
1.0
|
CA
|
D:ILE131
|
4.0
|
177.0
|
1.0
|
CA
|
A:ILE131
|
4.0
|
174.6
|
1.0
|
CA
|
C:ILE131
|
4.0
|
161.7
|
1.0
|
N
|
B:ILE131
|
4.4
|
167.0
|
1.0
|
N
|
D:ILE131
|
4.4
|
175.1
|
1.0
|
N
|
A:ILE131
|
4.4
|
172.7
|
1.0
|
N
|
C:ILE131
|
4.4
|
159.5
|
1.0
|
N
|
D:GLY132
|
4.6
|
108.9
|
1.0
|
N
|
B:GLY132
|
4.6
|
101.2
|
1.0
|
N
|
C:GLY132
|
4.6
|
105.4
|
1.0
|
N
|
A:GLY132
|
4.6
|
101.7
|
1.0
|
CA
|
D:GLY132
|
5.0
|
112.0
|
1.0
|
|
Potassium binding site 4 out
of 4 in 8ti1
Go back to
Potassium Binding Sites List in 8ti1
Potassium binding site 4 out
of 4 in the Cryo-Em Structure of A SUR1/KIR6.2-Q52R Atp-Sensitive Potassium Channel in the Presence of PIP2 in the Open Conformation
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 4 of Cryo-Em Structure of A SUR1/KIR6.2-Q52R Atp-Sensitive Potassium Channel in the Presence of PIP2 in the Open Conformation within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K405
b:177.8
occ:1.00
|
O
|
A:PHE133
|
4.3
|
85.8
|
1.0
|
O
|
B:PHE133
|
4.3
|
88.3
|
1.0
|
O
|
D:PHE133
|
4.3
|
92.5
|
1.0
|
O
|
C:PHE133
|
4.3
|
93.9
|
1.0
|
CA
|
B:GLY134
|
5.0
|
93.0
|
1.0
|
CA
|
C:GLY134
|
5.0
|
91.8
|
1.0
|
CA
|
D:GLY134
|
5.0
|
92.0
|
1.0
|
CA
|
A:GLY134
|
5.0
|
91.3
|
1.0
|
|
Reference:
C.M.Driggers,
Y.Y.Kuo,
P.Zhu,
A.Elsheikh,
S.L.Shyng.
Structure of An Open K Atp Channel Reveals Tandem Pip 2 Binding Sites Mediating the KIR6.2 and SUR1 Regulatory Interface. Nat Commun V. 15 2502 2024.
ISSN: ESSN 2041-1723
PubMed: 38509107
DOI: 10.1038/S41467-024-46751-5
Page generated: Tue Aug 13 00:58:58 2024
|