6vqa

Mammalian V-ATPase from rat brain soluble V1 region rotational state 2 with SidK and ADP (from focused refinement)

Method: ELECTRON MICROSCOPY

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

ATPase H+-transporting V1 subunit A

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 16	V-type proton ATPase subunit B, brain isoform × 3 （P62815） ATPase H+-transporting V1 subunit D × 1 （Q6P503） V-type proton ATPase subunit E 1 × 3 （Q6PCU2） V-type proton ATPase subunit G × 3 （Q8R2H0） Effector protein SidK × 3 （Q5ZWW6） ADENOSINE-5'-DIPHOSPHATE × 1 MAGNESIUM ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	D4A133_RAT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–617； UniProt 1–617 Author chain B； PDBConstruct 1–617； UniProt 1–617 Author chain C； PDBConstruct 1–617； UniProt 1–617

V-type proton ATPase subunit B, brain isoform

OrganismNot specified

UniProt P62815

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 16	ATPase H+-transporting V1 subunit A × 3 （D4A133） ATPase H+-transporting V1 subunit D × 1 （Q6P503） V-type proton ATPase subunit E 1 × 3 （Q6PCU2） V-type proton ATPase subunit G × 3 （Q8R2H0） Effector protein SidK × 3 （Q5ZWW6） ADENOSINE-5'-DIPHOSPHATE × 1 MAGNESIUM ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	VATB2_RAT
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain D； PDBConstruct 1–511； UniProt 1–511 Author chain E； PDBConstruct 1–511； UniProt 1–511 Author chain F； PDBConstruct 1–511； UniProt 1–511

ATPase H+-transporting V1 subunit D

OrganismNot specified

UniProt Q6P503

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 16	ATPase H+-transporting V1 subunit A × 3 （D4A133） V-type proton ATPase subunit B, brain isoform × 3 （P62815） V-type proton ATPase subunit E 1 × 3 （Q6PCU2） V-type proton ATPase subunit G × 3 （Q8R2H0） Effector protein SidK × 3 （Q5ZWW6） ADENOSINE-5'-DIPHOSPHATE × 1 MAGNESIUM ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q6P503_RAT
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain H； PDBConstruct 1–247； UniProt 1–247

V-type proton ATPase subunit E 1

OrganismNot specified

UniProt Q6PCU2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 16	ATPase H+-transporting V1 subunit A × 3 （D4A133） V-type proton ATPase subunit B, brain isoform × 3 （P62815） ATPase H+-transporting V1 subunit D × 1 （Q6P503） V-type proton ATPase subunit G × 3 （Q8R2H0） Effector protein SidK × 3 （Q5ZWW6） ADENOSINE-5'-DIPHOSPHATE × 1 MAGNESIUM ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	VATE1_RAT
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain I； PDBConstruct 1–226； UniProt 1–226 Author chain J； PDBConstruct 1–226； UniProt 1–226 Author chain K； PDBConstruct 1–226； UniProt 1–226

V-type proton ATPase subunit G

OrganismNot specified

UniProt Q8R2H0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 16	ATPase H+-transporting V1 subunit A × 3 （D4A133） V-type proton ATPase subunit B, brain isoform × 3 （P62815） ATPase H+-transporting V1 subunit D × 1 （Q6P503） V-type proton ATPase subunit E 1 × 3 （Q6PCU2） Effector protein SidK × 3 （Q5ZWW6） ADENOSINE-5'-DIPHOSPHATE × 1 MAGNESIUM ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8R2H0_RAT
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain M； PDBConstruct 1–118； UniProt 1–118 Author chain N； PDBConstruct 1–118； UniProt 1–118 Author chain O； PDBConstruct 1–118； UniProt 1–118

Effector protein SidK

Legionella pneumophila subsp. pneumophila (strain Philadelphia 1 / ATCC 33152 / DSM 7513)

UniProt Q5ZWW6

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 16	ATPase H+-transporting V1 subunit A × 3 （D4A133） V-type proton ATPase subunit B, brain isoform × 3 （P62815） ATPase H+-transporting V1 subunit D × 1 （Q6P503） V-type proton ATPase subunit E 1 × 3 （Q6PCU2） V-type proton ATPase subunit G × 3 （Q8R2H0） ADENOSINE-5'-DIPHOSPHATE × 1 MAGNESIUM ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q5ZWW6_LEGPH
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain Q； PDBConstruct 2–279； UniProt 1–278 Author chain R； PDBConstruct 2–279； UniProt 1–278 Author chain S； PDBConstruct 2–279； UniProt 1–278

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	6vqa
Deposition date deposition_date	2020-02-04
Structure title title	Mammalian V-ATPase from rat brain soluble V1 region rotational state 2 with SidK and ADP (from focused refinement)
Keywords keywords	membrane protein complex, rotary atpase, PROTON TRANSPORT; PROTON TRANSPORT
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.

6vqa__assembly_1__model_1

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

Download this curve (.dat)

6vqa__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6vqa__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	51.70 Å
Rg (electron density)	51.24 Å
Total Rg	51.52 Å
Atom count	36114
Residues	4578
Excluded volume	646080 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6vqa__assembly_1__model_1`	hexadecameric （16）	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	ATPase H+-transporting V1 subunit A
Molecular weight formula_weight	68341.8 kDa
Source method src_method	nat
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	36114

MDFSKLPKIRDEDKESTFGYVHGVSGPVVTACDMAGAAMYELVRVGHSELVGEIIRLEGDMATIQVYEETSGVSVGDPVLRTGKPLSVELGPGIMGAIFDGIQRPLSDISSQTQSIYIPRGVNVSALSRDIKWEFIPSKNLRVGSHITGGDIYGIVNENSLIKHKIMLPPRSRGSVTYIAPPGNYDASDVVLELEFEGVKEKLSMVQVWPVRQVRPVTEKLPANHPLLTGQRVLDALFPCVQGGTTAIPGAFGCGKTVISQSLSKYSNSDVIIYVGCGERGNEMSEVLRDFPELTMEVDGKVESIMKRTALVANTSNMPVAAREASIYTGITLSEYFRDMGYHVSMMADSTSRWAEALREISGRLAEMPADSGYPAYLGARLASFYERAGRVKCLGNPEREGSVSIVGAVSPPGGDFSDPVTSATLGIVQVFWGLDKKLAQRKHFPSVNWLISYSKYMRALDEYYDKHFTEFVPLRTKAKEILQEEEDLAEIVQLVGKASLAETDKITLEVAKLIKDDFLQQNGYTPYDRFCPFYKTVGMLSNMISFYDMARRAVETTAQSDNKITWSIIREHMGEILYKLSSMKFKDPVKDGEAKIKADYAQLLEDMQNAFRSLED

Entity 2 Entity 2 polymer

Description description	V-type proton ATPase subunit B, brain isoform
Molecular weight formula_weight	56611.6 kDa
Source method src_method	nat
Copy count entity_count	3

Polymer Polymer

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

MALRAMRGIVNGAAPELPVPTGGPMAGAREQALAVSRNYLSQPRLTYKTVSGVNGPLVILDHVKFPRYAEIVHLTLPDGTKRSGQVLEVSGSKAVVQVFEGTSGIDAKKTSCEFTGDILRTPVSEDMLGRVFNGSGKPIDRGPVVLAEDFLDIMGQPINPQCRIYPEEMIQTGISAIDGMNSIARGQKIPIFSAAGLPHNEIAAQICRQAGLVKKSKDVVDYSEENFAIVFAAMGVNMETARFFKSDFEENGSMDNVCLFLNLANDPTIERIITPRLALTTAEFLAYQCEKHVLVILTDMSSYAEALREVSAAREEVPGRRGFPGYMYTDLATIYERAGRVEGRNGSITQIPILTMPNDDITHPIPDLTGYITEGQIYVDRQLHNRQIYPPINVLPSLSRLMKSAIGEGMTRKDHADVSNQLYACYAIGKDVQAMKAVVGEEALTSDDLLYLEFLQKFEKNFITQGPYENRTVYETLDIGWQLLRIFPKEMLKRIPQSTLSEFYPRDSAKH

Entity 3 Entity 3 polymer

Description description	ATPase H+-transporting V1 subunit D
Molecular weight formula_weight	28359.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

MSGKDRIEIFPSRMAQTIMKARLKGAQTGRNLLKKKSDALTLRFRQILKKIIETKMLMGEVMREAAFSLAEAKFTAGDFSTTVIQNVNKAQVKIRAKKDNVAGVTLPVFEHYHEGTDSYELTGLARGGEQLAKLKRNYAKAVELLVELASLQTSFVTLDEAIKITNRRVNAIEHVIIPRIERTLAYIITELDEREREEFYRLKKIQEKKKIIKEKSEKDLERRRAAGEVMEPANLLAEEKDEDLLFE

Entity 4 Entity 4 polymer

Description description	V-type proton ATPase subunit E 1
Molecular weight formula_weight	26167.5 kDa
Source method src_method	nat
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I,J,K

MALSDADVQKQIKHMMAFIEQEANEKAEEIDAKAEEEFNIEKGRLVQTQRLKIMEYYEKKEKQIEQQKKIQMSNLMNQARLKVLRARDDLITDLLNEAKQRLSKVVKDTTRYQVLLDGLVLQGLYQLLEPRMIVRCRKQDFPLVKAAVQKAIPMYKIATKKDVDVQIDLEAYLPEDIAGGVEIYNGDRKIKVSNTLESRLDLIAQQMMPEVRGALFGANANRKFLD

Entity 5 Entity 5 polymer

Description description	V-type proton ATPase subunit G
Molecular weight formula_weight	13690.5 kDa
Source method src_method	nat
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M,N,O

MASQSQGIQQLLQAEKRAAEKVADARKRKARRLKQAKEEAQMEVEQYRREREQEFQSKQQAAMGSQGNLSAEVEQATRRQVQGMQSSQQRNRERVLTQLLGMVCDVRPQVHPNYRITV

Entity 6 Entity 6 polymer

Description description	Effector protein SidK
Molecular weight formula_weight	34693.6 kDa
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Q,R,S

GMSFIKVGIKMGGLTSEQYHSQVVGKIGYIARCMQTIDPENNLKKIREDYQDVLIWAEKNYRFEEILEASKSGKCPNDLDALSRRSLILQELLRLVSSISPFKMKLDLIESQYEKMKQHVNLWKSDYHVKLNQLNQLTDYLKNAAPTPKNNFLRAMTSVLQMQIAQYGITEDNEGINQLFKLGLHLLAMANEKIDEQYHLFKGYVKDQPEESPFEGILPAEDQKILVKTMIDYAMPKLSSKVLQDKLSALSSSDVLTKTLLDSIDRIVKENEKLNALSKDYKDHDGDYKDHDIDYKDDDDK

Source Source

Source organism organism	Legionella pneumophila subsp. pneumophila (strain Philadelphia 1 / ATCC 33152 / DSM 7513)
NCBI taxonomy ID ncbi_taxonomy_id	272624
Host organism host_organism	Escherichia coli

Entity 7 Entity 7 non-polymer

Description description	ADENOSINE-5'-DIPHOSPHATE
Molecular weight formula_weight	427.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 8 Entity 8 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

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6. Fold Classification (SCOP + CATH) 9 domains

CATH v4.4 (9 domains)

Domain ID domain_id	6vqaA02
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	6vqaA03
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily	100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain

Domain ID domain_id	6vqaB02
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	6vqaB03
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily	100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain

Domain ID domain_id	6vqaC02
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	6vqaC03
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily	100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain

Domain ID domain_id	6vqaD00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	12240 —

Domain ID domain_id	6vqaE00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	12240 —

Domain ID domain_id	6vqaF00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	12240 —

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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	3.70 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	74789

Mammalian V-ATPase from rat brain soluble V1 region rotational state 2 with SidK and ADP (from focused refinement)

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

ATPase H+-transporting V1 subunit A

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

V-type proton ATPase subunit B, brain isoform

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

ATPase H+-transporting V1 subunit D

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

V-type proton ATPase subunit E 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

V-type proton ATPase subunit G

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Effector protein SidK

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

6vqa__assembly_1__model_1

6vqa__assembly_1__model_1 | I(q)

6vqa__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

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 polymer

Polymer Polymer

Entity 5 Entity 5 polymer

Polymer Polymer

Entity 6 Entity 6 polymer

Polymer Polymer

Source Source

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

6. Fold Classification (SCOP + CATH) 9 domains

CATH v4.4 (9 domains)

7. Citations (1)