SAXSdb — 1vyt

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

CALCIUM CHANNEL BETA-3 SUBUNIT

RATTUS NORVEGICUS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	VOLTAGE-DEPENDENT L-TYPE CALCIUM CHANNEL ALPHA-1C SUBUNIT × 1 （P22002） water × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	VOLTAGE-DEPENDENT L-TYPE CALCIUM CHANNEL ALPHA-1C SUBUNIT × 1 （P22002） water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CCB3_RAT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–351； UniProt 16–366 Author chain B； PDBConstruct 1–351； UniProt 16–366

VOLTAGE-DEPENDENT L-TYPE CALCIUM CHANNEL ALPHA-1C SUBUNIT

RATTUS NORVEGICUS

UniProt P22002

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	CALCIUM CHANNEL BETA-3 SUBUNIT × 1 （P54287） water × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	CALCIUM CHANNEL BETA-3 SUBUNIT × 1 （P54287） water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CCAC_RAT
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain E； PDBConstruct 1–25； UniProt 452–476 Author chain F； PDBConstruct 1–25； UniProt 452–476

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	1vyt
Deposition date deposition_date	2004-05-07
Structure title title	beta3 subunit complexed with aid
Keywords keywords	;TRANSPORT PROTEIN, ION TRANSPORT-COMPLEX, CALCIUM CHANNEL BETA SUBUNIT, AID DOAMIN, ION TRANSPORT, IONIC CHANNEL, VOLTAGE-GATED CHANNEL, SH3 DOMAIN ;; TRANSPORT PROTEIN
Experimental Method method	X-RAY DIFFRACTION

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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.

1vyt__assembly_1__model_1

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

Download this curve (.dat)

1vyt__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1vyt__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.43 Å
Rg (electron density)	23.51 Å
Total Rg	24.41 Å
Atom count	2401
Residues	299
Excluded volume	42847 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1vyt__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1vyt__assembly_2__model_1`	dimeric （2）	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 (3)

Entity 1 Entity 1 polymer

Description description	CALCIUM CHANNEL BETA-3 SUBUNIT
Molecular weight formula_weight	39494.9 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	4962

GSADSYTSRPSLDSDVSLEEDRESARREVESQAQQQLERAKHKPVAFAVRTNVSYCGVLDEECPVQGSGVNFEAKDFLHIKEKYSNDWWIGRLVKEGGDIAFIPSPQRLESIRLKQEQKARRSGNPSSLSDIGNRRSPPPSLAKQKQKQAEHVPPYDVVPSMRPVVLVGPSLKGYEVTDMMQKALFDFLKHRFDGRISITRVTADLSLAKRSVLNNPGKRTIIERSSARSSIAEVQSEIERIFELAKSLQLVVLDADTINHPAQLAKTSLAPIIVFVKVSSPKVLQRLIRSRGKSQMKHLTVQMMAYDKLVQCPPESFDVILDENQLDDACEHLAEYLEVYWRATHHPAPG

Source Source

Source organism organism	RATTUS NORVEGICUS
Common name common_name	RAT
NCBI taxonomy ID ncbi_taxonomy_id	10116
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 polymer

Description description	VOLTAGE-DEPENDENT L-TYPE CALCIUM CHANNEL ALPHA-1C SUBUNIT
Molecular weight formula_weight	3081.4 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E,F

QKLREKQQLEEDLKGYLDWITQAED

Source Source

Source organism organism	RATTUS NORVEGICUS
Common name common_name	RAT
NCBI taxonomy ID ncbi_taxonomy_id	10116
Host organism host_organism	ESCHERICHIA COLI

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	77

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6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (6 domains)

Domain ID domain_id	d1vyta1
Class class	b — All beta proteins
Fold Fold fold	b.34 — SH3-like barrel
Superfamily Superfamily superfamily	b.34.2 — SH3-domain
Family Family family	b.34.2.1 — SH3-domain

Domain ID domain_id	d1vyta2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.1 — Nucleotide and nucleoside kinases

Domain ID domain_id	d1vytb1
Class class	b — All beta proteins
Fold Fold fold	b.34 — SH3-like barrel
Superfamily Superfamily superfamily	b.34.2 — SH3-domain
Family Family family	b.34.2.1 — SH3-domain

Domain ID domain_id	d1vytb2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.1 — Nucleotide and nucleoside kinases

Domain ID domain_id	d1vyte_
Class class	j — Peptides
Fold Fold fold	j.68 — Fragments of the L-type calcium channel alpha subunit Cav.1 (dihydropyridine receptor)
Superfamily Superfamily superfamily	j.68.1 — Fragments of the L-type calcium channel alpha subunit Cav.1 (dihydropyridine receptor)
Family Family family	j.68.1.1 — Fragments of the L-type calcium channel alpha subunit Cav.1 (dihydropyridine receptor)

Domain ID domain_id	d1vytf_
Class class	j — Peptides
Fold Fold fold	j.68 — Fragments of the L-type calcium channel alpha subunit Cav.1 (dihydropyridine receptor)
Superfamily Superfamily superfamily	j.68.1 — Fragments of the L-type calcium channel alpha subunit Cav.1 (dihydropyridine receptor)
Family Family family	j.68.1.1 — Fragments of the L-type calcium channel alpha subunit Cav.1 (dihydropyridine receptor)

CATH v4.4 (4 domains)

Domain ID domain_id	1vytA01
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	30 — SH3 type barrels.
Homologous superfamily homologous superfamily	40 — SH3 Domains

Domain ID domain_id	1vytA02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	1vytB01
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	30 — SH3 type barrels.
Homologous superfamily homologous superfamily	40 — SH3 Domains

Domain ID domain_id	1vytB02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

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Unit-cell length a length_a	252.300 Å
Unit-cell length b length_b	69.000 Å
Unit-cell length c length_c	60.700 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	96.70 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.600 Å
Low-resolution limit resolution_low	30.000 Å
R factor r_factor	0.2310
R_work r_work	0.2310
R_free r_free	0.2720

beta3 subunit complexed with aid

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

CALCIUM CHANNEL BETA-3 SUBUNIT

State in the Current Structure

Other States of the Same Protein in the Database

VOLTAGE-DEPENDENT L-TYPE CALCIUM CHANNEL ALPHA-1C SUBUNIT

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

1vyt__assembly_1__model_1

1vyt__assembly_1__model_1 | I(q)

1vyt__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (6 domains)

CATH v4.4 (4 domains)

7. Citations (1)

beta3 subunit complexed with aid

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

CALCIUM CHANNEL BETA-3 SUBUNIT

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

VOLTAGE-DEPENDENT L-TYPE CALCIUM CHANNEL ALPHA-1C SUBUNIT

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

1vyt__assembly_1__model_1

1vyt__assembly_1__model_1 | I(q)

1vyt__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (6 domains)

CATH v4.4 (4 domains)

7. Citations (1)