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1vlt

LIGAND BINDING DOMAIN OF THE WILD-TYPE ASPARTATE RECEPTOR WITH ASPARTATE

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

ASPARTATE RECEPTOR

Salmonella typhimurium

UniProt P02941

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 ASPARTIC ACID × 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1jmw 1lih 1was

3 assemblies

Homodimer
1vls 1vlt 1wat 2lig

4 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name MCP2_SALTY
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 2–146； UniProt 36–180 Author chain B； PDBConstruct 2–146； UniProt 36–180

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_id1vlt
Deposition date deposition_date1996-09-17
Structure title titleLIGAND BINDING DOMAIN OF THE WILD-TYPE ASPARTATE RECEPTOR WITH ASPARTATE
Keywords keywordsCOMPLEX (CHEMOTAXIS-PEPTIDE), CHEMOTAXIS, BACTERIAL CHEMOTAXIS RECEPTOR, BOUND, COMPLEX (CHEMOTAXIS-PEPTIDE) complex; COMPLEX (CHEMOTAXIS/PEPTIDE)
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.

1vlt__assembly_1__model_1

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

Download this curve (.dat)

1vlt__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1vlt__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）20.82 Å
Rg (electron density)20.05 Å
Total Rg20.88 Å
Atom count2247
Residues285
Excluded volume39349 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1vlt__assembly_1__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)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1vlta_
Class classa — All alpha proteins
Fold Fold folda.24 — Four-helical up-and-down bundle
Superfamily Superfamily superfamilya.24.2 — Aspartate receptor, ligand-binding domain
Family Family familya.24.2.1 — Aspartate receptor, ligand-binding domain
Domain ID domain_idd1vltb_
Class classa — All alpha proteins
Fold Fold folda.24 — Four-helical up-and-down bundle
Superfamily Superfamily superfamilya.24.2 — Aspartate receptor, ligand-binding domain
Family Family familya.24.2.1 — Aspartate receptor, ligand-binding domain

CATH v4.4 (2 domains)

Domain ID domain_id1vltA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily30 — Aspartate receptor, ligand-binding domain
Domain ID domain_id1vltB00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily30 — Aspartate receptor, ligand-binding domain
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7. Citations (3)