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1wrq

Crystal Structure of HutP-Antitermination complex

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

Hut operon positive regulatory protein

Bacillus subtilis

UniProt P10943

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Homooligomer Protein 6 RNA 6 5'-R(*UP*UP*UP*AP*GP*UP*U)-3' × 6 MAGNESIUM ION × 6 HISTIDINE × 6 water × 12 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers
1vea 1wps 1wpt 1wpv 1wrn 1wro 4h4l 4h4l

8 assemblies

Heteromeric or nucleic-acid complex
1wmq 1wpu 1wrq 3boy

4 assemblies

View Construct and Data Evidence
UniProt name HUTP_BACSU
Isoform —
PDB entities 2
Chains and sequence ranges Author chain A； PDBConstruct 1–147； UniProt 1–147 Author chain B； PDBConstruct 1–147； UniProt 1–147

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_id1wrq
Deposition date deposition_date2004-10-25
Structure title titleCrystal Structure of HutP-Antitermination complex
Keywords keywordsHutP, RNA binding protein, Antitermination, L-histidine, metal ions, conformational change, TRANSCRIPTION-RNA COMPLEX; TRANSCRIPTION/RNA
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.

1wrq__assembly_1__model_1

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

Download this curve (.dat)

1wrq__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.

1wrq__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）28.35 Å
Rg (electron density)26.92 Å
Total Rg27.73 Å
Atom count7527
Residues900
Excluded volume131190 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1wrq__assembly_1__model_1 dodecameric （12） 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 (5)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1wrqa_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.275 — Hut operon positive regulatory protein HutP
Superfamily Superfamily superfamilyd.275.1 — Hut operon positive regulatory protein HutP
Family Family familyd.275.1.1 — Hut operon positive regulatory protein HutP
Domain ID domain_idd1wrqb_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.275 — Hut operon positive regulatory protein HutP
Superfamily Superfamily superfamilyd.275.1 — Hut operon positive regulatory protein HutP
Family Family familyd.275.1.1 — Hut operon positive regulatory protein HutP

CATH v4.4 (2 domains)

Domain ID domain_id1wrqA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1510 — Hut operon positive regulatory protein HutP
Homologous superfamily homologous superfamily10 — Hut operon regulatory protein HutP
Domain ID domain_id1wrqB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1510 — Hut operon positive regulatory protein HutP
Homologous superfamily homologous superfamily10 — Hut operon regulatory protein HutP
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7. Citations (4)