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1l1c

Structure of the LicT Bacterial Antiterminator Protein in Complex with its RNA Target

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Transcription antiterminator licT

Bacillus subtilis

UniProt P39805

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Homooligomer Protein 2 RNA 1 licT mRNA antiterminator hairpin × 1 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer

None

Homodimer
1h99 1tlv

2 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1l1c

1 assemblies

View Construct and Data Evidence
UniProt name LICT_BACSU
Isoform —
PDB entities 2
Chains and sequence ranges Author chain A； PDBConstruct 1–55； UniProt 1–55 Author chain B； PDBConstruct 1–55； UniProt 1–55

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_id1l1c
Deposition date deposition_date2002-02-15
Structure title titleStructure of the LicT Bacterial Antiterminator Protein in Complex with its RNA Target
Keywords keywordsprotein RNA complex, antiterminator complex, RNA hairpin, TRANSCRIPTION-RNA COMPLEX; TRANSCRIPTION/RNA
Experimental Method methodSOLUTION NMR
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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.

1l1c__assembly_1__model_1

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

Download this curve (.dat)

1l1c__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.

1l1c__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）18.05 Å
Rg (electron density)17.09 Å
Total Rg17.92 Å
Atom count2678
Residues139
Excluded volume24047 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1l1c__assembly_1__model_1 trimeric （3） 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 (2)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1l1ca_
Class classb — All beta proteins
Fold Fold foldb.35 — GroES-like
Superfamily Superfamily superfamilyb.35.2 — SacY-like RNA-binding domain
Family Family familyb.35.2.1 — BglG-like antiterminator proteins
Domain ID domain_idd1l1cb_
Class classb — All beta proteins
Fold Fold foldb.35 — GroES-like
Superfamily Superfamily superfamilyb.35.2 — SacY-like RNA-binding domain
Family Family familyb.35.2.1 — BglG-like antiterminator proteins

CATH v4.4 (2 domains)

Domain ID domain_id1l1cA00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology24 — Transcription Regulation, Sacy; Chain A
Homologous superfamily homologous superfamily10 — CAT RNA-binding domain
Domain ID domain_id1l1cB00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology24 — Transcription Regulation, Sacy; Chain A
Homologous superfamily homologous superfamily10 — CAT RNA-binding domain
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7. Citations (1)