General Information of Drug Transporter (DT)
DT ID DTD0527 Transporter Info
Gene Name SCN4A
Protein Name Voltage-gated sodium channel alpha Nav1.4
Gene ID
6329
UniProt ID
P35499
3D Structure

Crystal Structure of This DT

Crystallisation Method: EM

PDB ID: 6AGF

Corresponding Chain: A

Sequence Length: 1-1836

Detail: Struture Info

Inter-species Structural Differences (ISD)
Mus musculus (Mouse)
        Gene Name Scn4a
        UniProt ID
Q9ER60
        UniProt Entry
SCN4A_MOUSE
        3D Structure

Method: Homology modeling

Teplate PDB: 6AGF_A

Sequence Length: 1841

Identity: 91.558%

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        Performance Minimized Score -3071.548 kcal/mol
Ramachandra Favored

Medium

QMEANBrane Quality

Medium

        Ramachandran Plot

Ramz Z Score: -1.38 ± 0.18

Residues in Favored Region: 1769

Ramachandran favored: 96.19%

Number of Outliers: 10

Ramachandran outliers: 0.54%

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        Local Quality

QMEANBrane Score: 0.74

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Rattus norvegicus (Rat)
        Gene Name Scn4a
        UniProt ID
P15390
        UniProt Entry
SCN4A_RAT
        3D Structure

Method: Homology modeling

Teplate PDB: 6AGF_A

Sequence Length: 1840

Identity: 91.775%

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        Performance Minimized Score -3186.327 kcal/mol
Ramachandra Favored

Medium

QMEANBrane Quality

Medium

        Ramachandran Plot

Ramz Z Score: -1.18 ± 0.19

Residues in Favored Region: 1773

Ramachandran favored: 96.46%

Number of Outliers: 11

Ramachandran outliers: 0.60%

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        Local Quality

QMEANBrane Score: 0.74

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        Experimental Structures of This Model Oganism
                PDB ID Scanning Method Resolution Expression System Details Ref
                6MUE X-ray 1.9 Å Escherichia coli
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[ 1]
Structure
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Corresponding chain B
Sequence Length 1716-1744 Mutation No
                5JR0 NMR N.A. Rattus norvegicus
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[ 2]
Structure
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Corresponding chain A
Sequence Length 1567-1594 Mutation Yes
Danio rerio (Zebrafish)
        Gene Name scn4ab
        UniProt ID
Q20JQ7
        UniProt Entry
SC4AB_DANRE
        3D Structure

Method: Homology modeling

Teplate PDB: 5XSY_A

Sequence Length: 1784

Identity: 60.345%

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        Performance Minimized Score -2903.375 kcal/mol
Ramachandra Favored

Medium

QMEANBrane Quality

Medium

        Ramachandran Plot

Ramz Z Score: -1.56 ± 0.19

Residues in Favored Region: 1703

Ramachandran favored: 95.57%

Number of Outliers: 22

Ramachandran outliers: 1.23%

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        Local Quality

QMEANBrane Score: 0.74

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References
1 Crystal structures of Ca(2+)-calmodulin bound to Na(V) C-terminal regions suggest role for EF-hand domain in binding and inactivation. Proc Natl Acad Sci U S A. 2019 May 28;116(22):10763-10772.
2 RCSB PDB: Veratridine binding to a transmembrane segment of mammalian sodium channel Nav1.4 determined by solid-state NMR.

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