2mao

NMR structure of region 2 of E. coli sigmaE

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

RNA polymerase sigma factor

Escherichia coli

UniProt C9R146

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

View Construct and Data Evidence
UniProt name C9R146_ECOD1
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–92; UniProt 1–92

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_id2mao
Deposition date deposition_date2013-07-16
Structure title titleNMR structure of region 2 of E. coli sigmaE
Keywords keywordsECF sigma factor, 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.

2mao__assembly_1__model_13

Assembly 1 · Model 13 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2mao__assembly_1__model_13 | I(q)

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

2mao__assembly_1__model_13 | 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)19.18 Å
Rg (electron density)18.14 Å
Total Rg18.91 Å
Atom count1726
Residues106
Excluded volume15303 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2mao__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2mao__assembly_1__model_2 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2mao__assembly_1__model_3 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2mao__assembly_1__model_4 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2mao__assembly_1__model_5 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2mao__assembly_1__model_6 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2mao__assembly_1__model_7 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2mao__assembly_1__model_8 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2mao__assembly_1__model_9 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2mao__assembly_1__model_10 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2mao__assembly_1__model_11 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2mao__assembly_1__model_12 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2mao__assembly_1__model_13 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2mao__assembly_1__model_14 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2mao__assembly_1__model_15 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2mao__assembly_1__model_16 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2mao__assembly_1__model_17 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2mao__assembly_1__model_18 monomeric (1) 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 (1)

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id2maoA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1740 — Rna Polymerase Sigma Factor; Chain: A
Homologous superfamily homologous superfamily10 — RNA polymerase sigma factor, region 2, helix turn helix motif
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7. Citations (1)