General Information of Drug Transporter (DT)
DT ID DTD0545 Transporter Info
Gene Name KCNK2
Protein Name Potassium channel subfamily K member 2
Gene ID
3776
UniProt ID
O95069
3D Structure

Crystal Structure of This DT

Crystallisation Method: X-ray

PDB ID: 4TWK

Corresponding Chain: A/B

Sequence Length: 41-315

Detail: Struture Info

Inter-species Structural Differences (ISD)
Mus musculus (Mouse)
        Gene Name Kcnk2
        UniProt ID
P97438
        UniProt Entry
KCNK2_MOUSE
        3D Structure

Crystallisation Method: X-ray

Expression System: Komagataella pastoris

PDB ID: 6V37

Corresponding Chain: A/B

Sequence Length: 35-338

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        Experimental Structures of This Model Oganism
                PDB ID Scanning Method Resolution Expression System Details Ref
                6V36 X-ray 3.4 Å Komagataella pastoris
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[ 1]
Structure
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Corresponding chain A/B
Sequence Length 35-338 Mutation No
                6V3C X-ray 3.51 Å Komagataella pastoris
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[ 1]
Structure
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Corresponding chain A/B
Sequence Length 35-338 Mutation No
                6V3I X-ray 3.4 Å Komagataella pastoris
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[ 1]
Structure
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Corresponding chain A/B
Sequence Length 35-338 Mutation No
                6CQ6 X-ray 3.1 Å Komagataella pastoris
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[ 2]
Structure
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Corresponding chain A/B
Sequence Length 35-337 Mutation Yes
                6CQ8 X-ray 3 Å Komagataella pastoris
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[ 2]
Structure
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Corresponding chain A/B
Sequence Length 35-337 Mutation Yes
                6CQ9 X-ray 2.8 Å Komagataella pastoris
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[ 2]
Structure
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Corresponding chain A/B
Sequence Length 35-339 Mutation Yes
Rattus norvegicus (Rat)
        Gene Name Kcnk2
        UniProt ID
Q920B6
        UniProt Entry
KCNK2_RAT
        3D Structure

Method: Homology modeling

Teplate PDB: 6CQ6_A

Sequence Length: 305

Identity: 93.77%

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        Performance Minimized Score -672.849 kcal/mol
Ramachandra Favored

Excellent

QMEANBrane Quality

High

        Ramachandran Plot

Ramz Z Score: 0.19 ± 0.43

Residues in Favored Region: 299

Ramachandran favored: 98.68%

Number of Outliers: 0

Ramachandran outliers: 0.00%

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        Local Quality

QMEANBrane Score: 0.8

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References
1 Polynuclear Ruthenium Amines Inhibit K(2P) Channels via a "Finger in the Dam" Mechanism. Cell Chem Biol. 2020 May 21;27(5):511-524.e4.
2 K(2P)2.1 (TREK-1)-activator complexes reveal a cryptic selectivity filter binding site. Nature. 2017 Jul 20;547(7663):364-368.

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