← Back to search
2p81

Engrailed homeodomain helix-turn-helix motif

Method: SOLUTION NMR
▼

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

Segmentation polarity homeobox protein engrailed

Drosophila melanogaster

UniProt P02836

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

Monomer
1enh 1p7i 1p7i 1p7i 1p7i 1p7j 1p7j 1p7j 1p7j 1ztr 2jwt 2p81

13 assemblies; showing the first 12

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1du0 1hdd 2hdd 2hos 2hot 3hdd 6m3d 9yzq

8 assemblies

View Construct and Data Evidence
UniProt name HMEN_DROME
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–44； UniProt 469–512

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_id2p81
Deposition date deposition_date2007-03-21
Structure title titleEngrailed homeodomain helix-turn-helix motif
Keywords keywordshelix-turn-helix motif, motif, engrailed, homeodomain, DNA binding, protein folding, intermediate, native, TRANSCRIPTION; TRANSCRIPTION
Experimental Method methodSOLUTION NMR
▼

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.

2p81__assembly_1__model_7

Assembly 1 · Model 7 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2p81__assembly_1__model_7 | I(q)

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

2p81__assembly_1__model_7 | 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）14.02 Å
Rg (electron density)13.00 Å
Total Rg14.28 Å
Atom count780
Residues44
Excluded volume6757 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2p81__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2p81__assembly_1__model_2 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2p81__assembly_1__model_3 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2p81__assembly_1__model_4 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2p81__assembly_1__model_5 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2p81__assembly_1__model_6 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2p81__assembly_1__model_7 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2p81__assembly_1__model_8 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2p81__assembly_1__model_9 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2p81__assembly_1__model_10 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2p81__assembly_1__model_11 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2p81__assembly_1__model_12 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2p81__assembly_1__model_13 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2p81__assembly_1__model_14 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2p81__assembly_1__model_15 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2p81__assembly_1__model_16 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2p81__assembly_1__model_17 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2p81__assembly_1__model_18 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2p81__assembly_1__model_19 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 2p81__assembly_1__model_20 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 21 2p81__assembly_1__model_21 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 22 2p81__assembly_1__model_22 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 23 2p81__assembly_1__model_23 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 24 2p81__assembly_1__model_24 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 25 2p81__assembly_1__model_25 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (1)

▼

6. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2p81a_
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.1 — Homeodomain-like
Family Family familya.4.1.1 — Homeodomain
▶

7. Citations (1)