← Back to search
2ksd

Backbone structure of the membrane domain of E. coli histidine kinase receptor ArcB, Center for Structures of Membrane Proteins (CSMP) target 4310C

Method: SOLUTION NMR
▼

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

Aerobic respiration control sensor protein arcB

Escherichia coli

UniProt P0AEC3

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer
2ksd

1 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name ARCB_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–115； UniProt 1–115

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id2ksd
Deposition date deposition_date2010-01-02
Structure title titleBackbone structure of the membrane domain of E. coli histidine kinase receptor ArcB, Center for Structures of Membrane Proteins (CSMP) target 4310C
Keywords keywords;methods development, Histidine kinase receptor, membrane domain, two-helical hairpin, cell-free synthesis, Cell inner membrane, Cell membrane, Kinase, Transcription, Transcription regulation, Transferase, Transmembrane, Two-component regulatory system, Structural Genomics, PSI-2, Protein Structure Initiative, Center for Structures of Membrane Proteins, CSMP ;; TRANSFERASE
Experimental Method methodSOLUTION NMR
▼

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.

2ksd__assembly_1__model_1

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

Download this curve (.dat)

2ksd__assembly_1__model_1 | I(q)

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

2ksd__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）16.98 Å
Rg (electron density)15.81 Å
Total Rg17.12 Å
Atom count1239
Residues75
Excluded volume11025 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2ksd__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2ksd__assembly_1__model_2 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2ksd__assembly_1__model_3 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2ksd__assembly_1__model_4 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2ksd__assembly_1__model_5 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2ksd__assembly_1__model_6 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2ksd__assembly_1__model_7 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2ksd__assembly_1__model_8 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2ksd__assembly_1__model_9 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2ksd__assembly_1__model_10 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2ksd__assembly_1__model_11 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2ksd__assembly_1__model_12 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2ksd__assembly_1__model_13 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2ksd__assembly_1__model_14 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2ksd__assembly_1__model_15 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2ksd__assembly_1__model_16 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2ksd__assembly_1__model_17 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2ksd__assembly_1__model_18 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2ksd__assembly_1__model_19 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 2ksd__assembly_1__model_20 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (1)

▼

6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id2ksdA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily970 — His Kinase A (phosphoacceptor) domain
▶

7. Citations (1)