Target Binding Site Detail

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Target General Information
Ligand General Information
Drug Binding Sites of Target
References
Target General Information  Top
Target ID T55916 Target Info
Target Name Voltage-gated potassium channel Kv7.4 (KCNQ4)
Synonyms Voltage-gated potassium channel subunit Kv7.4; Potassium channel alpha subunit KvLQT4; KQT-like 4; KCNQ4
Target Type Literature-reported Target
Gene Name KCNQ4
Biochemical Class Voltage-gated ion channel
UniProt ID
KCNQ4_HUMAN
Ligand General Information  Top
Ligand Name (1S,2S,4R)-N-(2,4,6-trimethylphenyl)bicyclo[2.2.1]heptane-2-carboxamid Ligand Info
Canonical SMILES CC1=CC(=C(C(=C1)C)NC(=O)C2CC3CCC2C3)C
InChI 1S/C17H23NO/c1-10-6-11(2)16(12(3)7-10)18-17(19)15-9-13-4-5-14(15)8-13/h6-7,13-15H,4-5,8-9H2,1-3H3,(H,18,19)/t13-,14+,15+/m1/s1
InChIKey SIQGKPGBLYKQBB-ILXRZTDVSA-N
PubChem Compound ID 98142401
Drug Binding Sites of Target  Top
PDB ID: 7VNP      Structure of human KCNQ4-ML213 complex with PIP2
Method Electron microscopy Resolution 2.79 Å Mutation No [1]
PDB Sequence
SAAHKRYRRL
83
QNWVYNVLER
93
PRGWAFVYHV
103
FIFLLVFSCL
113
VLSVLSTIQE
123

HQELANECLL
133
ILEFVMIVVF
143
GLEYIVRVWS
153
AGCCCRYRGW
163
QGRFRFARKP
173

FCVIDFIVFV
183
ASVAVIAATS
201
ALRSMRFLQI
211
LRMVRMDRRG
221
GTWKLLGSVV
231

YAHSKELITA
241
WYIGFLVLIF
251
ASFLVYLAEK
261
DANSDFSSYA
271
DSLWWGTITL
281

TTIGYGDKTP
291
HTWLGRVLAA
301
GFALLGISFF
311
ALPAGILGSG
321
FALKVQEQHR
331

QKHFEKRRMP
341
AANLIQAAWR
351
LYSTDPAVKT
532
VIRSIRILKF
542
LVAKRKFKET
552

LRPYDVKDVI
562
EQYSAGHLDM
572
LGRIKSLQTR
582
VD
Residue
Distance (Å)
LEU227
4.592
VAL231
3.630
LEU238
4.588
ALA241
3.600
TRP242
2.778
TYR243
4.809
GLY245
4.123
PHE246
3.892
Residue
Distance (Å)
LEU305
3.250
LEU306
2.280
SER309
2.323
PHE310
3.309
PHE311
3.074
PRO314
2.664
LEU318
3.241
PDB ID: 7VNR      Structure of human KCNQ4-ML213 complex in digitonin
Method Electron microscopy Resolution 2.80 Å Mutation No [1]
PDB Sequence
SAAHKRYRRL
83
QNWVYNVLER
93
PRGWAFVYHV
103
FIFLLVFSCL
113
VLSVLSTIQE
123

HQELANECLL
133
ILEFVMIVVF
143
GLEYIVRVWS
153
AGCCCRYRGW
163
QGRFRFARKP
173

FCVIDFIVFV
183
ASVAVIAAAT
200
SALRSMRFLQ
210
ILRMVRMDRR
220
GGTWKLLGSV
230

VYAHSKELIT
240
AWYIGFLVLI
250
FASFLVYLAE
260
KDANSDFSSY
270
ADSLWWGTIT
280

LTTIGYGDKT
290
PHTWLGRVLA
300
AGFALLGISF
310
FALPAGILGS
320
GFALKVQEQH
330

RQKHFEKRRM
340
PAANLIQAAW
350
RLYSTDTVIR
535
SIRILKFLVA
545
KRKFKETLRP
555

YDVKDVIEQY
565
SAGHLDMLGR
575
IKSLQTRVDQ
585
IVG
Residue
Distance (Å)
VAL231
4.177
LEU238
4.379
ALA241
4.033
TRP242
2.409
TYR243
4.700
GLY245
4.171
Residue
Distance (Å)
PHE246
4.008
PHE310
4.852
PHE311
2.498
PRO314
2.939
ALA315
4.792
LEU318
3.398
PDB ID: 7VNQ      Structure of human KCNQ4-ML213 complex in nanodisc
Method Electron microscopy Resolution 2.96 Å Mutation No [1]
PDB Sequence
SAAHKRYRRL
83
QNWVYNVLER
93
PRGWAFVYHV
103
FIFLLVFSCL
113
VLSVLSTIQE
123

HQELANECLL
133
ILEFVMIVVF
143
GLEYIVRVWS
153
AGCCCRYRGW
163
QGRFRFARKP
173

FCVIDFIVFV
183
ASVAVIAAGT
193
ATSALRSMRF
208
LQILRMVRMD
218
RRGGTWKLLG
228

SVVYAHSKEL
238
ITAWYIGFLV
248
LIFASFLVYL
258
AEKDANSDFS
268
SYADSLWWGT
278

ITLTTIGYGD
288
KTPHTWLGRV
298
LAAGFALLGI
308
SFFALPAGIL
318
GSGFALKVQE
328

QHRQKHFEKR
338
RMPAANLIQA
348
AWRLYSTDMS
358
RATVIRSIRI
539
LKFLVAKRKF
549

KETLRPYDVK
559
DVIEQYSAGH
569
LDMLGRIKSL
579
QTRVDQIVG
Residue
Distance (Å)
LEU227
4.182
VAL231
3.680
LEU238
3.832
ALA241
4.723
TRP242
2.286
TYR243
4.807
GLY245
4.499
Residue
Distance (Å)
PHE246
4.168
PHE310
4.373
PHE311
2.733
ALA312
4.533
PRO314
2.406
ALA315
4.720
LEU318
2.714
References  Top
REF 1 Structural insights into the lipid and ligand regulation of a human neuronal KCNQ channel. Neuron. 2022 Jan 19;110(2):237-247.e4.

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