← Back to search
1qn5

Crystal structure of the G(-26) Adenovirus major late promoter TATA box variant bound to wild-type TBP (Arabidopsis thaliana TBP isoform 2). TATA element recognition by the TATA box-binding protein has been conserved throughout evolution.

Method: X-RAY DIFFRACTION
▼

1. Protein Identity and Related Structures Protein Identity & Related Structures

TRANSCRIPTION INITIATION FACTOR TFIID-1

ARABIDOPSIS THALIANA

UniProt P28147

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Monomer Protein 1 DNA 2 ;DNA (5'-D(*GP*CP*TP*AP*TP*AP*AP*GP*AP*GP*GP*GP*CP*A)-3') ; × 1 ;DNA (5'-D(*TP*GP*CP*CP*CP*TP*CP*TP*TP*AP*TP*AP*GP*C)-3') ; × 1 water × 3 Consistent with all polymers
2 Protein–DNA Monomer Protein 1 DNA 2 ;DNA (5'-D(*GP*CP*TP*AP*TP*AP*AP*GP*AP*GP*GP*GP*CP*A)-3') ; × 1 ;DNA (5'-D(*TP*GP*CP*CP*CP*TP*CP*TP*TP*AP*TP*AP*GP*C)-3') ; × 1 water × 3 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer
1vok 1vok 9ow8 9ow8 9ow8 9ow8 9owi 9owi 9owi 9owi

10 assemblies

Homodimer
1vok 1vok

2 assemblies

Homotetramer
1vok 1vok

2 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex
1qn3 1qn3 1qn4 1qn4 1qn5 1qn5 1qn6 1qn6 1qn7 1qn7 1qn8 1qn8

49 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name TF21_ARATH
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–200； UniProt 1–200 Author chain B； PDBConstruct 1–200； UniProt 1–200

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id1qn5
Deposition date deposition_date1999-10-14
Structure title titleCrystal structure of the G(-26) Adenovirus major late promoter TATA box variant bound to wild-type TBP (Arabidopsis thaliana TBP isoform 2). TATA element recognition by the TATA box-binding protein has been conserved throughout evolution.
Keywords keywordsTATA BOX-BINDING PROTEIN (TBP), ADENOVIRUS MAJOR LATE PROMOTER (ADMLP) TATA BOX, TBP-TATA ELEMENT COMPLEX, G(-26) TATA BOX VARIANT; TATA BOX-BINDING PROTEIN (TBP)
Experimental Method methodX-RAY DIFFRACTION
▼

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.

1qn5__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1qn5__assembly_2__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1qn5__assembly_2__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）19.87 Å
Rg (electron density)19.64 Å
Total Rg20.33 Å
Atom count2036
Residues214
Excluded volume35111 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1qn5__assembly_1__model_1 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 1qn5__assembly_2__model_1 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (4)

▼

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1qn5a1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.129 — TBP-like
Superfamily Superfamily superfamilyd.129.1 — TATA-box binding protein-like
Family Family familyd.129.1.1 — TATA-box binding protein (TBP), C-terminal domain
Domain ID domain_idd1qn5a2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.129 — TBP-like
Superfamily Superfamily superfamilyd.129.1 — TATA-box binding protein-like
Family Family familyd.129.1.1 — TATA-box binding protein (TBP), C-terminal domain
Domain ID domain_idd1qn5b1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.129 — TBP-like
Superfamily Superfamily superfamilyd.129.1 — TATA-box binding protein-like
Family Family familyd.129.1.1 — TATA-box binding protein (TBP), C-terminal domain
Domain ID domain_idd1qn5b2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.129 — TBP-like
Superfamily Superfamily superfamilyd.129.1 — TATA-box binding protein-like
Family Family familyd.129.1.1 — TATA-box binding protein (TBP), C-terminal domain

CATH v4.4 (4 domains)

Domain ID domain_id1qn5A01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology310 — TATA-Binding Protein
Homologous superfamily homologous superfamily10 — TATA-Binding Protein
Domain ID domain_id1qn5A02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology310 — TATA-Binding Protein
Homologous superfamily homologous superfamily10 — TATA-Binding Protein
Domain ID domain_id1qn5B01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology310 — TATA-Binding Protein
Homologous superfamily homologous superfamily10 — TATA-Binding Protein
Domain ID domain_id1qn5B02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology310 — TATA-Binding Protein
Homologous superfamily homologous superfamily10 — TATA-Binding Protein
▶

7. Citations (1)