General Information of Drug Transporter (DT)
DT ID DTD0513 Transporter Info
Gene Name KCNQ1
Transporter Name Voltage-gated potassium channel Kv7.1
Gene ID
3784
UniProt ID
P51787
Experimental Structures of This DT
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Detail Information of Experimental Structure
PDB ID 6UZZ [ 1 ]
Method EM
Expression System Homo sapiens
Resolution 3.1 Å
Corresponding chain A/C/E/G
Sequence length 76-620
Mutation No
Publication Year 2020
AlphaFold Protein Structure Database
Experimental Structures of This DT
PDB ID Scanning Method Resolution Expression System Details Ref
3BJ4 X-ray 2 Å Escherichia coli
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[2]
Structure
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Corresponding chain A/B
Sequence Length 574-622 Mutation No
3HFC X-ray 2.45 Å Escherichia coli
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[3]
Structure
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Corresponding chain A/B/C
Sequence Length 583-611 Mutation Yes
3HFE X-ray 1.7 Å Escherichia coli
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[3]
Structure
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Corresponding chain A/B/C
Sequence Length 583-611 Mutation No
4UMO X-ray 3 Å Escherichia coli BL21
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[4]
Structure
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Corresponding chain A/B
Sequence Length 352-539 Mutation Yes
4V0C X-ray 2.86 Å Escherichia coli BL21(DE3)
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[4]
Structure
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Corresponding chain A/B
Sequence Length 352-539 Mutation Yes
6MIE NMR N.A. Escherichia coli
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[5]
Structure
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6V00 EM 3.1 Å Homo sapiens
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[1]
Structure
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Corresponding chain A/D/G/J
Sequence Length 76-620 Mutation No
6V01 EM 3.9 Å Homo sapiens
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[1]
Structure
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Corresponding chain A/D/G/J
Sequence Length 75-620 Mutation No
References
1 Structural Basis of Human KCNQ1 Modulation and Gating. Cell. 2020 Jan 23;180(2):340-347.e9.
2 The KCNQ1 (Kv7.1) COOH terminus, a multitiered scaffold for subunit assembly and protein interaction. J Biol Chem. 2008 Feb 29;283(9):5815-30.
3 Crystal structure of a trimeric form of the K(V)7.1 (KCNQ1) A-domain tail coiled-coil reveals structural plasticity and context dependent changes in a putative coiled-coil trimerization motif. Protein Sci. 2009 Oct;18(10):2100-14.
4 Structural basis of a Kv7.1 potassium channel gating module: studies of the intracellular c-terminal domain in complex with calmodulin. Structure. 2014 Nov 4;22(11):1582-94.
5 Structure and physiological function of the human KCNQ1 channel voltage sensor intermediate state. Elife. 2020 Feb 25;9:e53901.

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