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8a3u

Crystal structure of a chimeric LOV-Histidine kinase SB2F1 (symmetrical variant, trigonal form with short c-axis)

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

Putative Sensory box protein,Sensor protein FixL

Bradyrhizobium diazoefficiens USDA 110

UniProt P23222

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Homooligomer Protein 2 ADENOSINE-5'-TRIPHOSPHATE × 2 FLAVIN MONONUCLEOTIDE × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1dp6 1dp8 1dp9 1drm 1lsv 1lsw 1lsx 1lt0 1xj2 1xj3 1xj4 1xj4

17 assemblies; showing the first 12

Homodimer
1xj4 1xj4 1xj6 1xj6 2vv6 2vv6 8js5 8js5 8js5 8js5 8js5 8js6

21 assemblies; showing the first 12

Homotetramer
1xj4 1xj4 1xj6 1xj6 2vv7 2vv8

6 assemblies

Other homooligomers
2cmn

1 assemblies

Heteromeric or nucleic-acid complex
4gcz 8a3u 8a52 8a6x 8a7f 8a7h

6 assemblies

View Construct and Data Evidence
UniProt name FIXL_BRADU
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 141–388； UniProt 258–505

Putative Sensory box protein,Sensor protein FixL

Bradyrhizobium diazoefficiens USDA 110

UniProt Q88JB0

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Homooligomer Protein 2 ADENOSINE-5'-TRIPHOSPHATE × 2 FLAVIN MONONUCLEOTIDE × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
2yon

1 assemblies

Homodimer
7a6p

1 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
8a3u 8a52 8a6x 8a7f 8a7h

5 assemblies

View Construct and Data Evidence
UniProt name Q88JB0_PSEPK
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 21–140； UniProt 4–123

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_id8a3u
Deposition date deposition_date2022-06-09
Structure title titleCrystal structure of a chimeric LOV-Histidine kinase SB2F1 (symmetrical variant, trigonal form with short c-axis)
Keywords keywords;LOV domain, PAS domain, Photocycle, Dimerization, Signaling blue light photoreceptor, sensory histidine kinase, chimeric, De Novo Protein, SIGNALING PROTEIN ;; SIGNALING PROTEIN
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.

8a3u__assembly_1__model_1

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

Download this curve (.dat)

8a3u__assembly_1__model_1 | I(q)

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

8a3u__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）33.54 Å
Rg (electron density)33.54 Å
Total Rg33.77 Å
Atom count5782
Residues710
Excluded volume101500 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8a3u__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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7. Citations (1)