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2mc6

A bacteriophage transcription regulator inhibits bacterial transcription initiation by sigma-factor displacement

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

RNA polymerase inhibitor p7

Xanthomonas phage Xp10

UniProt Q8LTJ5

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 ;DNA-directed RNA polymerase subunit beta' ; × 1 （Q8KTH8） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
2mc5

1 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2mc6 6j9e 6j9f

3 assemblies

View Construct and Data Evidence
UniProt name Q8LTJ5_9CAUD
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–73； UniProt 1–73

;DNA-directed RNA polymerase subunit beta' ;

OrganismNot specified

UniProt Q8KTH8

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 RNA polymerase inhibitor p7 × 1 （Q8LTJ5） Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2mc6

1 assemblies

View Construct and Data Evidence
UniProt name RPOC_XANOR
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 1–10； UniProt 1–10

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_id2mc6
Deposition date deposition_date2013-08-15
Structure title titleA bacteriophage transcription regulator inhibits bacterial transcription initiation by sigma-factor displacement
Keywords keywordsp7, RNAP, sigma factor, beta prime subunit, NTD, TRANSFERASE, TRANSCRIPTION; TRANSCRIPTION
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.

2mc6__assembly_1__model_1

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

Download this curve (.dat)

2mc6__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.

2mc6__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）13.49 Å
Rg (electron density)12.10 Å
Total Rg13.56 Å
Atom count1304
Residues83
Excluded volume11689 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2mc6__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 (2)

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id2mc6A00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology160 — Double Stranded RNA Binding Domain
Homologous superfamily homologous superfamily560 —
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7. Citations (1)