6vn7

Cryo-EM structure of an activated VIP1 receptor-G protein complex

Method: ELECTRON MICROSCOPY

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

Pituitary adenylate cyclase-activating polypeptide

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 6	Vasoactive intestinal polypeptide receptor 1 × 1 Guanine nucleotide-binding protein G(s) subunit alpha isoforms short × 1 （P63092） Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 （P62873） Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 （P59768） Nanobody 35 × 1 CHOLESTEROL × 6 PALMITIC ACID × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PACA_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain L； PDBConstruct 1–27； UniProt 132–158

Guanine nucleotide-binding protein G(s) subunit alpha isoforms short

Homo sapiens

UniProt P63092

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 6	Vasoactive intestinal polypeptide receptor 1 × 1 Pituitary adenylate cyclase-activating polypeptide × 1 （P18509） Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 （P62873） Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 （P59768） Nanobody 35 × 1 CHOLESTEROL × 6 PALMITIC ACID × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GNAS2_HUMAN
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain A； PDBConstruct 1–394； UniProt 1–394

Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

Homo sapiens

UniProt P62873

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 6	Vasoactive intestinal polypeptide receptor 1 × 1 Pituitary adenylate cyclase-activating polypeptide × 1 （P18509） Guanine nucleotide-binding protein G(s) subunit alpha isoforms short × 1 （P63092） Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 （P59768） Nanobody 35 × 1 CHOLESTEROL × 6 PALMITIC ACID × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GBB1_HUMAN
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain B； PDBConstruct 13–351； UniProt 2–340

Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

Homo sapiens

UniProt P59768

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 6	Vasoactive intestinal polypeptide receptor 1 × 1 Pituitary adenylate cyclase-activating polypeptide × 1 （P18509） Guanine nucleotide-binding protein G(s) subunit alpha isoforms short × 1 （P63092） Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 （P62873） Nanobody 35 × 1 CHOLESTEROL × 6 PALMITIC ACID × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GBG2_HUMAN
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain G； PDBConstruct 1–71； UniProt 1–71

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	6vn7
Deposition date deposition_date	2020-01-29
Structure title title	Cryo-EM structure of an activated VIP1 receptor-G protein complex
Keywords keywords	Vasoactive intestinal polypeptide receptor, VIP1R, G protein-coupled receptor, Gs protein, cryo-EM structure, SIGNALING PROTEIN; SIGNALING 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.

6vn7__assembly_1__model_1

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

Download this curve (.dat)

6vn7__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6vn7__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	35.41 Å
Rg (electron density)	35.84 Å
Total Rg	36.33 Å
Atom count	8620
Residues	1052
Excluded volume	155120 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6vn7__assembly_1__model_1`	hexameric （6）	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 (8)

Entity 1 Entity 1 polymer

Description description	Vasoactive intestinal polypeptide receptor 1
Molecular weight formula_weight	66245.2 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	R
Atom count atom_count	8620

DYKDDDDVDHHHHHHHHARLQEECDYVQMIEVQHKQCLEEAQLENETIGCSKMWDNLTCWPATPRGQVVVLACPLIFKLFSSIQGRNVSRSCTDEGWTHLEPGPYPIACGLDDKAASLDEQQTMFYGSVKTGYTIGYGLSLATLLVATAILSLFRKLHCTRNYIHMHLFISFILRAAAVFIKDLALFDSGESDQCSEGSVGCKAAMVFFQYCVMANFFWLLVEGLYLYTLLAVSFFSERKYFWGYILIGWGVPSTFTMVWTIARIHFEDYGCWDTINSSLWWIIKGPILTSILVNFILFICIIRILLQKLRPPDIRKSDSSPYSRLARSTLLLIPLFGVHYIMFAFFPDNFKPEVKMVFELVVGSFQGFVVAILYCFLNGEVQAELRRKWRRWHLQGVLGWNPKYRHPSGGSNGATCSTQVSMLVFTLEDFVGDWEQTAAYNLDQVLEQGGVSSLLQNLAVSVTPIQRIVRSGENALKIDIHVIIPYEGLSADQMAQIEEVFKVVYPVDDHHFKVILPYGTLVIDGVTPNMLNYFGRPYEGIAVFDGKKITVTGTLWNGNKIIDERLITPDGSMLFRVTINS

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Spodoptera frugiperda

Entity 2 Entity 2 polymer

Description description	Pituitary adenylate cyclase-activating polypeptide
Molecular weight formula_weight	3154.6 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

HSDGIFTDSYSRYRKQMAVKKYLAAVL

Entity 3 Entity 3 polymer

Description description	Guanine nucleotide-binding protein G(s) subunit alpha isoforms short
Molecular weight formula_weight	45727.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A

MGCLGNSKTEDQRNEEKAQREANKKIEKQLQKDKQVYRATHRLLLLGAGESGKNTIVKQMRILHVNGFNGEGGEEDPQAARSNSDGEKATKVQDIKNNLKEAIETIVAAMSNLVPPVELANPENQFRVDYILSVMNVPDFDFPPEFYEHAKALWEDEGVRACYERSNEYQLIDCAQYFLDKIDVIKQDDYVPSDQDLLRCRVLTSGIFETKFQVDKVNFHMFDVGAQRDERRKWIQCFNDVTAIIFVVASSSYNMVIREDNQTNRLQAALKLFDSIWNNKWLRDTSVILFLNKQDLLAEKVLAGKSKIEDYFPEFARYTTPEDATPEPGEDPRVTRAKYFIRDEFLRISTASGDGRHYCYPHFTCAVDTENIRRVFNDCRDIIQRMHLRQYELL

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Spodoptera frugiperda

Entity 4 Entity 4 polymer

Description description	Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
Molecular weight formula_weight	41055.9 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MHHHHHHGSLLQSELDQLRQEAEQLKNQIRDARKACADATLSQITNNIDPVGRIQMRTRRTLRGHLAKIYAMHWGTDSRLLVSASQDGKLIIWDSYTTNKVHAIPLRSSWVMTCAYAPSGNYVACGGLDNICSIYNLKTREGNVRVSRELAGHTGYLSCCRFLDDNQIVTSSGDTTCALWDIETGQQTTTFTGHTGDVMSLSLAPDTRLFVSGACDASAKLWDVREGMCRQTFTGHESDINAICFFPNGNAFATGSDDATCRLFDLRADQELMTYSHDNIICGITSVSFSKSGRLLLAGYDDFNCNVWDALKADRAGVLAGHDNRVSCLGVTDDGMAVATGSWDSFLKIWNGSSGGGGSGGGGSSGVSGWRLFKKIS

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Spodoptera frugiperda

Entity 5 Entity 5 polymer

Description description	Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
Molecular weight formula_weight	7861.1 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G

MASNNTASIAQARKLVEQLKMEANIDRIKVSKAAADLMAYCEAHAKEDPLLTPVPASENPFREKKFFCAIL

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Spodoptera frugiperda

Entity 6 Entity 6 polymer

Description description	Nanobody 35
Molecular weight formula_weight	14714.3 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	N

QVQLQESGGGLVQPGGSLRLSCAASGFTFSNYKMNWVRQAPGKGLEWVSDISQSGASISYTGSVKGRFTISRDNAKNTLYLQMNSLKPEDTAVYYCARCPAPFTRDCFDVTSTTYAYRGQGTQVTVSSHHHHHH

Source Source

Source organism organism	synthetic construct
NCBI taxonomy ID ncbi_taxonomy_id	32630
Host organism host_organism	Escherichia coli

Entity 7 Entity 7 non-polymer

Description description	CHOLESTEROL
Molecular weight formula_weight	386.7 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 8 Entity 8 non-polymer

Description description	PALMITIC ACID
Molecular weight formula_weight	256.4 kDa
Source method src_method	syn
Copy count entity_count	4

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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	—

Resolution resolution	3.20 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	131263

Cryo-EM structure of an activated VIP1 receptor-G protein complex

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

Pituitary adenylate cyclase-activating polypeptide

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Guanine nucleotide-binding protein G(s) subunit alpha isoforms short

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

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

6vn7__assembly_1__model_1

6vn7__assembly_1__model_1 | I(q)

6vn7__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 (8)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 polymer

Polymer Polymer

Source Source

Entity 5 Entity 5 polymer

Polymer Polymer

Source Source

Entity 6 Entity 6 polymer

Polymer Polymer

Source Source

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

7. Citations (1)