General Information of Drug Transporter (DT)
DT ID DTD0512 Transporter Info
Gene Name KCNMA1
Transporter Name Calcium-activated potassium channel subunit alpha-1
Gene ID
3778
UniProt ID
Q12960
Experimental Structures of This DT
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Detail Information of Experimental Structure
PDB ID 6V22 [ 1 ]
Method EM
Expression System Homo sapiens
Resolution 3.2 Å
Corresponding chain A/B/C/D
Sequence length 66-1179
Mutation No
Publication Year 2019
AlphaFold Protein Structure Database
Experimental Structures of This DT
PDB ID Scanning Method Resolution Expression System Details Ref
2K44 NMR N.A. N.A.
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[2]
Structure
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3MT5 X-ray 3 Å Spodoptera frugiperda
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[3]
Structure
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Corresponding chain A
Sequence Length 406-1179 Mutation No
3NAF X-ray 3.1 Å Spodoptera frugiperda
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[4]
Structure
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Corresponding chain A
Sequence Length 395-681; 782-1182 Mutation No
6ND0 EM 3.5 Å Homo sapiens
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[5]
Structure
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Corresponding chain A/B/C/D
Sequence Length 292-1175 Mutation No
6V35 EM 3.5 Å Homo sapiens
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[1]
Structure
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Corresponding chain A/B/C/D
Sequence Length 66-1179 Mutation No
6V38 EM 3.8 Å Homo sapiens
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[1]
Structure
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Corresponding chain A/B/C/D
Sequence Length 66-1179 Mutation No
6V3G EM 4 Å Homo sapiens
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[1]
Structure
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Corresponding chain A/B/C/D
Sequence Length 66-1179 Mutation No
6V5A X-ray 2 Å Komagataella pastoris
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[6]
Structure
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Corresponding chain A
Sequence Length 406-1179 Mutation Yes
References
1 Molecular structures of the human Slo1 K(+) channel in complex with 4. Elife. 2019 Dec 9;8:e51409.
2 Solution structure of the HsapBK K+ channel voltage-sensor paddle sequence. Biochemistry. 2009 Jun 30;48(25):5813-21.
3 Structure of the human BK channel Ca2+-activation apparatus at 3.0 A resolution. Science. 2010 Jul 9;329(5988):182-6.
4 Structure of the gating ring from the human large-conductance Ca(2+)-gated K(+) channel. Nature. 2010 Jul 15;466(7304):393-7.
5 RCSB PDB: Broken symmetry in the human BK channel
6 Coupling of Ca(2+) and voltage activation in BK channels through the B helix/voltage sensor interface. Proc Natl Acad Sci U S A. 2020 Jun 23;117(25):14512-14521.

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