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3vr2

Crystal structure of nucleotide-free A3B3 complex from Enterococcus hirae V-ATPase [eA3B3]

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

V-type sodium ATPase catalytic subunit A

Enterococcus hirae

UniProt Q08636

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 6 V-type sodium ATPase subunit B × 3 （Q08637） water × 6 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
3vr2 3vr3 3vr4 3vr5 3vr6 5knb 5knc 5knd 5ze9 5zea 5zea 7coq

20 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name NTPA_ENTHR
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 8–600； UniProt 1–593 Author chain B； PDBConstruct 8–600； UniProt 1–593 Author chain C； PDBConstruct 8–600； UniProt 1–593

V-type sodium ATPase subunit B

Enterococcus hirae

UniProt Q08637

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 6 V-type sodium ATPase catalytic subunit A × 3 （Q08636） water × 6 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
3vr2 3vr3 3vr4 3vr5 3vr6 5knb 5knc 5knd 5ze9 5zea 5zea 7coq

20 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name NTPB_ENTHR
Isoform —
PDB entities 2
Chains and sequence ranges Author chain D； PDBConstruct 8–465； UniProt 1–458 Author chain E； PDBConstruct 8–465； UniProt 1–458 Author chain F； PDBConstruct 8–465； UniProt 1–458

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_id3vr2
Deposition date deposition_date2012-04-03
Structure title titleCrystal structure of nucleotide-free A3B3 complex from Enterococcus hirae V-ATPase [eA3B3]
Keywords keywordsV-ATPase, Enterococcus hirae, Rotary motor, P-loop, Hydrolase, Na(+)-ATPase, ATP Binding; HYDROLASE
Experimental Method methodX-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.

3vr2__assembly_1__model_1

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

Download this curve (.dat)

3vr2__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

3vr2__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）45.17 Å
Rg (electron density)44.35 Å
Total Rg44.66 Å
Atom count23964
Residues2992
Excluded volume427610 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3vr2__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 (3)

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6. Fold Classification (SCOP + CATH) 21 domains

SCOP 2.08 (9 domains)

Domain ID domain_idd3vr2d1
Class classb — All beta proteins
Fold Fold foldb.49 — Domain of alpha and beta subunits of F1 ATP synthase-like
Superfamily Superfamily superfamilyb.49.1 — N-terminal domain of alpha and beta (or A/B) subunits of rotary ATPases
Family Family familyb.49.1.0 — automated matches
Domain ID domain_idd3vr2d2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.0 — automated matches
Domain ID domain_idd3vr2d3
Class classa — All alpha proteins
Fold Fold folda.69 — Left-handed superhelix
Superfamily Superfamily superfamilya.69.1 — C-terminal domain of alpha and beta (or A/B) subunits of rotary ATPases
Family Family familya.69.1.0 — automated matches
Domain ID domain_idd3vr2e1
Class classb — All beta proteins
Fold Fold foldb.49 — Domain of alpha and beta subunits of F1 ATP synthase-like
Superfamily Superfamily superfamilyb.49.1 — N-terminal domain of alpha and beta (or A/B) subunits of rotary ATPases
Family Family familyb.49.1.0 — automated matches
Domain ID domain_idd3vr2e2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.0 — automated matches
Domain ID domain_idd3vr2e3
Class classa — All alpha proteins
Fold Fold folda.69 — Left-handed superhelix
Superfamily Superfamily superfamilya.69.1 — C-terminal domain of alpha and beta (or A/B) subunits of rotary ATPases
Family Family familya.69.1.0 — automated matches
Domain ID domain_idd3vr2f1
Class classb — All beta proteins
Fold Fold foldb.49 — Domain of alpha and beta subunits of F1 ATP synthase-like
Superfamily Superfamily superfamilyb.49.1 — N-terminal domain of alpha and beta (or A/B) subunits of rotary ATPases
Family Family familyb.49.1.0 — automated matches
Domain ID domain_idd3vr2f2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.0 — automated matches
Domain ID domain_idd3vr2f3
Class classa — All alpha proteins
Fold Fold folda.69 — Left-handed superhelix
Superfamily Superfamily superfamilya.69.1 — C-terminal domain of alpha and beta (or A/B) subunits of rotary ATPases
Family Family familya.69.1.0 — automated matches

CATH v4.4 (12 domains)

Domain ID domain_id3vr2A02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id3vr2A03
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain
Domain ID domain_id3vr2A04
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1140 — Bovine Mitochondrial F1-ATPase, ATP Synthase Beta Chain; Chain D, domain3
Homologous superfamily homologous superfamily10 — Bovine Mitochondrial F1-atpase; Atp Synthase Beta Chain; Chain D, domain 3
Domain ID domain_id3vr2B02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id3vr2B03
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain
Domain ID domain_id3vr2B04
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1140 — Bovine Mitochondrial F1-ATPase, ATP Synthase Beta Chain; Chain D, domain3
Homologous superfamily homologous superfamily10 — Bovine Mitochondrial F1-atpase; Atp Synthase Beta Chain; Chain D, domain 3
Domain ID domain_id3vr2C02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id3vr2C03
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain
Domain ID domain_id3vr2C04
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1140 — Bovine Mitochondrial F1-ATPase, ATP Synthase Beta Chain; Chain D, domain3
Homologous superfamily homologous superfamily10 — Bovine Mitochondrial F1-atpase; Atp Synthase Beta Chain; Chain D, domain 3
Domain ID domain_id3vr2D00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily12240 —
Domain ID domain_id3vr2E00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily12240 —
Domain ID domain_id3vr2F00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily12240 —
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7. Citations (1)