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2zp8

The Nature of the TRAP:Anti-TRAP complex

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

Transcription attenuation protein mtrB

Bacillus stearothermophilus

UniProt Q9X6J6

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 30 Tryptophan RNA-binding attenuator protein-inhibitory protein × 18 （O31466） TRYPTOPHAN × 12 ZINC ION × 18 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers
1c9s 1gtf 1gtn 1qaw 1utd 2exs 2ext 2zcz 2zcz 2zd0 3aqd 3aqd

31 assemblies; showing the first 12

Heteromeric or nucleic-acid complex
1c9s 1gtf 1gtn 1utd 2zp8 2zp9 2zp9 4v4f 4v4f 5eeu 5eev 5eew

19 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name MTRB_BACST
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–74； UniProt 1–74 Author chain B； PDBConstruct 1–74； UniProt 1–74 Author chain C； PDBConstruct 1–74； UniProt 1–74 Author chain D； PDBConstruct 1–74； UniProt 1–74

Tryptophan RNA-binding attenuator protein-inhibitory protein

Bacillus subtilis

UniProt O31466

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 30 Transcription attenuation protein mtrB × 12 （Q9X6J6） TRYPTOPHAN × 12 ZINC ION × 18 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers
2bx9

1 assemblies

Heteromeric or nucleic-acid complex
2zp8 2zp9 2zp9

3 assemblies

View Construct and Data Evidence
UniProt name RTPA_BACSU
Isoform —
PDB entities 2
Chains and sequence ranges Author chain E； PDBConstruct 1–53； UniProt 1–53 Author chain F； PDBConstruct 1–53； UniProt 1–53 Author chain G； PDBConstruct 1–53； UniProt 1–53 Author chain H； PDBConstruct 1–53； UniProt 1–53 Author chain I； PDBConstruct 1–53； UniProt 1–53 Author chain J； PDBConstruct 1–53； UniProt 1–53

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_id2zp8
Deposition date deposition_date2008-07-08
Structure title titleThe Nature of the TRAP:Anti-TRAP complex
Keywords keywordsPROTEIN-PROTEIN COMPLEX, TRANSCRIPTION, RNA-binding, Transcription regulation, RNA BINDING PROTEIN-TRANSCRIPTION COMPLEX; RNA BINDING PROTEIN/TRANSCRIPTION
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.

2zp8__assembly_1__model_1

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

Download this curve (.dat)

2zp8__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.

2zp8__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）44.90 Å
Rg (electron density)44.28 Å
Total Rg45.12 Å
Atom count13677
Residues1779
Excluded volume244620 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2zp8__assembly_1__model_1 30-meric （30） 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 (4)

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6. Fold Classification (SCOP + CATH) 10 domains

CATH v4.4 (10 domains)

Domain ID domain_id2zp8A00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily50 — TRAP-like
Domain ID domain_id2zp8B00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily50 — TRAP-like
Domain ID domain_id2zp8C00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily50 — TRAP-like
Domain ID domain_id2zp8D00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily50 — TRAP-like
Domain ID domain_id2zp8E00
Class class6 — Special
Architecture architecture20 — Other non-globular
Topology topology20 — Chaperone, DNAj Protein; Chain A
Homologous superfamily homologous superfamily10 —
Domain ID domain_id2zp8F00
Class class6 — Special
Architecture architecture20 — Other non-globular
Topology topology20 — Chaperone, DNAj Protein; Chain A
Homologous superfamily homologous superfamily10 —
Domain ID domain_id2zp8G00
Class class6 — Special
Architecture architecture20 — Other non-globular
Topology topology20 — Chaperone, DNAj Protein; Chain A
Homologous superfamily homologous superfamily10 —
Domain ID domain_id2zp8H00
Class class6 — Special
Architecture architecture20 — Other non-globular
Topology topology20 — Chaperone, DNAj Protein; Chain A
Homologous superfamily homologous superfamily10 —
Domain ID domain_id2zp8I00
Class class6 — Special
Architecture architecture20 — Other non-globular
Topology topology20 — Chaperone, DNAj Protein; Chain A
Homologous superfamily homologous superfamily10 —
Domain ID domain_id2zp8J00
Class class6 — Special
Architecture architecture20 — Other non-globular
Topology topology20 — Chaperone, DNAj Protein; Chain A
Homologous superfamily homologous superfamily10 —
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7. Citations (1)