8t6l

Cryo-EM structure of rat cardiac sodium channel NaV1.5 with batrachotoxin analog BTX-B

Method: ELECTRON MICROSCOPY

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Sodium channel protein type 5 subunit alpha,Green fluorescent protein

Aequorea victoria

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Monomer	Protein 1 其他Polymer 4	;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine × 10 CHOLESTEROL HEMISUCCINATE × 11 (3beta,14beta,17beta,25R)-3-[4-methoxy-3-(methoxymethyl)butoxy]spirost-5-en × 2 ;(1R)-1-[(5aR,7aR,9R,11aS,11bS,12R,13aR)-9,12-dihydroxy-2,11a-dimethyl-1,2,3,4,7a,8,9,10,11,11a,12,13-dodecahydro-7H-9,11b-epoxy-13a,5a-prop[1]enophenanthro[2,1-f][1,4]oxazepin-14-yl]ethyl benzoate ; × 2 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SCN5A_RAT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–1613； UniProt 1–1931

Sodium channel protein type 5 subunit alpha,Green fluorescent protein

Aequorea victoria

UniProt P42212

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Monomer	Protein 1 其他Polymer 4	;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine × 10 CHOLESTEROL HEMISUCCINATE × 11 (3beta,14beta,17beta,25R)-3-[4-methoxy-3-(methoxymethyl)butoxy]spirost-5-en × 2 ;(1R)-1-[(5aR,7aR,9R,11aS,11bS,12R,13aR)-9,12-dihydroxy-2,11a-dimethyl-1,2,3,4,7a,8,9,10,11,11a,12,13-dodecahydro-7H-9,11b-epoxy-13a,5a-prop[1]enophenanthro[2,1-f][1,4]oxazepin-14-yl]ethyl benzoate ; × 2 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GFP_AEQVI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1628–1864； UniProt 2–238

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	8t6l
Deposition date deposition_date	2023-06-16
Structure title title	Cryo-EM structure of rat cardiac sodium channel NaV1.5 with batrachotoxin analog BTX-B
Keywords keywords	Ion channel, Sodium channel, Voltage-gated channel, Sodium transport, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method method	ELECTRON MICROSCOPY

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

8t6l__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

8t6l__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8t6l__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	37.81 Å
Rg (electron density)	36.41 Å
Total Rg	36.86 Å
Atom count	10979
Residues	1237
Excluded volume	203490 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8t6l__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (10)

Entity 1 Entity 1 polymer

Description description	Sodium channel protein type 5 subunit alpha,Green fluorescent protein
Molecular weight formula_weight	213523.9 kDa
Mutation mutation	A33T,G214D
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	10988

MANLLLPRGTSSFRRFTRESLAAIEKRMAEKQTRGGSATSQESREGLQEEEAPRPQLDLQASKKLPDLYGNPPRELIGEPLEDLDPFYSTQKTFIVLNKGKTIFRFSATNALYVLSPFHPVRRAAVKILVHSLFSMLIMCTILTNCVFMAQHDPPPWTKYVEYTFTAIYTFESLVKILARGFCLHAFTFLRDPWNWLDFSVIVMAYTTEFVDLDNVSALRTFRVLRALKTISVISGLKTIVGALIQSVKKLADVMVLTVFCLSVFALIGLQLFMGNLRHKCVRNFTELNGTNGSVEADGLVWNSLDVYLNDPANYLLKNGTTDVLLCGNSSDAGTCPEGYRCLKAGENPDHGYTSFDSFAWAFLALFRLMTQDCWERLYQQTLRSAGKIYMIFFMLVIFLGSFYLVNLILAVVAMAYEEQNQATIAETEEKEKRFQEAMEMLKKEHEALTIRGVDTVSRSSRQRALSAVSVLTSALEELEESHRKCPPCWNRFAQHYLIWECCPLWMSIKQKVKFVVMDPFADLTITMCIVLNTLFMALEHYNMTAEFEEMLQVGNLVFTGIFTAEMTFKIIALDPYYYFQQGWNIFDSIIVILSLMELGLSRMGNLSVLRSFRLLRVFKLAKSWPTLNTLIKIIGNSVGALGNLTLVLAIIVFIFAVVGMQLFGKNYSELRHRISDSGLLPRWHMMDFFHAFLIIFRILCGEWIETMWDCMEVSGQSLCLLVFLLVMVIGNLVVLNLFLALLLSSFSADNLTAPDEDGEMNNLQLALARIQRGLRFVKRTTWDFCCGILRRRPKKPAALATHSQLPSCITAPRSPPPPEVEKVPPARKETRFEEDKRPGQGTPGDSEPVCVPIAVAESDTEDQEEDEENSGKVWWRLRKTCYRIVEHSWFETFIIFMILLSSGALAFEDIYLEERKTIKVLLEYADKMFTYVFVLEMLLKWVAYGFKKYFTNAWCWLDFLIVDVSLVSLVANTLGFAEMGPIKSLRTLRALRPLRALSRFEGMRVVVNALVGAIPSIMNVLLVCLIFWLIFSIMGVNLFAGKFGRCINQTEGDLPLNYTIVNNKSECESFNVTGELYWTKVKVNFDNVGAGYLALLQVATFKGWMDIMYAAVDSRGYEEQPQWEDNLYMYIYFVVFIIFGSFFTLNLFIGVIIDNFNQQKKKLGGQDIFMTEEQKKYYNAMKKLGSKKPQKPIPRPLNKYQGFIFDIVTKQAFDVTIMFLICLNMVTMMVETDDQSPEKVNILAKINLLFVAIFTGECIVKMAALRHYYFTNSWNIFDFVVVILSIVGTVLSDIIQKYFFSPTLFRVIRLARIGRILRLIRGAKGIRTLLFALMMSLPALFNIGLLLFLVMFIYSIFGMANFAYVKWEAGIDDMFNFQTFANSMLCLFQITTSAGWDGLLSPILNTGPPYCDPNLPNSNGSRGNCGSPAVGILFFTTYIIISFLIVVNMYIAIILENFSVATEESTEPLSEDDFDMFYEIWEKFDPEATQFIEYLALSDFADALSEPLRIAKPNQISLINMDLPMVSGDRIHCMDILFAFTKRVLGESGEMDALKIQMEEKFMAANPSKISYEPITTTLRRKHEEVSATVIQRAFRRHLLQRSVKHASFLFRVDLEVLFQGPGSMVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKFICTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYVQERTIFFKDDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNGIKVNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLLEFVTAAGITLGMDELYKGSDYKDDDDK

Source Source

Source organism organism	Aequorea victoria
NCBI taxonomy ID ncbi_taxonomy_id	6100
Host organism host_organism	Homo sapiens

Entity 2 Entity 2 branched

Description description	;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	748.7 kDa
Source method src_method	man
Copy count entity_count	1

Entity 3 Entity 3 branched

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	424.4 kDa
Source method src_method	man
Copy count entity_count	2

Entity 4 Entity 4 branched

Description description	;alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	910.8 kDa
Source method src_method	man
Copy count entity_count	1

Entity 5 Entity 5 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 6 Entity 6 non-polymer

Description description	1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine
Molecular weight formula_weight	760.1 kDa
Source method src_method	syn
Copy count entity_count	10

Entity 7 Entity 7 non-polymer

Description description	CHOLESTEROL HEMISUCCINATE
Molecular weight formula_weight	486.7 kDa
Source method src_method	syn
Copy count entity_count	11

Entity 8 Entity 8 non-polymer

Description description	(3beta,14beta,17beta,25R)-3-[4-methoxy-3-(methoxymethyl)butoxy]spirost-5-en
Molecular weight formula_weight	544.8 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 9 Entity 9 non-polymer

Description description	;(1R)-1-[(5aR,7aR,9R,11aS,11bS,12R,13aR)-9,12-dihydroxy-2,11a-dimethyl-1,2,3,4,7a,8,9,10,11,11a,12,13-dodecahydro-7H-9,11b-epoxy-13a,5a-prop[1]enophenanthro[2,1-f][1,4]oxazepin-14-yl]ethyl benzoate ;
Molecular weight formula_weight	521.6 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 10 Entity 10 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	triclinic

Resolution resolution	3.30 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	86763

Cryo-EM structure of rat cardiac sodium channel NaV1.5 with batrachotoxin analog BTX-B

1. Protein Identity and Related Structures Protein Identity & Related Structures

Sodium channel protein type 5 subunit alpha,Green fluorescent protein

State in the Current Structure

Other States of the Same Protein in the Database

Sodium channel protein type 5 subunit alpha,Green fluorescent protein

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

8t6l__assembly_1__model_1

8t6l__assembly_1__model_1 | I(q)

8t6l__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (10)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 branched

Entity 3 Entity 3 branched

Entity 4 Entity 4 branched

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

Entity 9 Entity 9 non-polymer

Entity 10 Entity 10 water

7. Citations (1)

Cryo-EM structure of rat cardiac sodium channel NaV1.5 with batrachotoxin analog BTX-B

1. Protein Identity and Related Structures Protein Identity & Related Structures

Sodium channel protein type 5 subunit alpha,Green fluorescent protein

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Sodium channel protein type 5 subunit alpha,Green fluorescent protein

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

8t6l__assembly_1__model_1

8t6l__assembly_1__model_1 | I(q)

8t6l__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (10)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 branched

Entity 3 Entity 3 branched

Entity 4 Entity 4 branched

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

Entity 9 Entity 9 non-polymer

Entity 10 Entity 10 water

7. Citations (1)