SAXSdb — 3f50

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

Envelope glycoprotein gp160

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 6	alpha/beta-peptide analogue of the HIV gp41 CHR domain × 3 GLYCEROL × 3 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ENV_HV1Z6
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–37； UniProt 545–580

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_id	3f50
Deposition date deposition_date	2008-11-03
Structure title title	HIV gp41 six-helix bundle composed of an alpha/beta-peptide analogue of the CHR domain in complex with an NHR domain alpha-peptide
Keywords keywords	;alpha/beta-peptide, helix bundle, VIRAL PROTEIN, AIDS, Apoptosis, Cell membrane, Cleavage on pair of basic residues, Envelope protein, Fusion protein, Glycoprotein, Host-virus interaction, Lipoprotein, Membrane, Palmitate, Transmembrane, Viral immunoevasion, Virion ;; VIRAL PROTEIN
Experimental Method method	X-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.

3f50__assembly_1__model_1

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

Download this curve (.dat)

3f50__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3f50__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	19.00 Å
Rg (electron density)	17.98 Å
Total Rg	18.90 Å
Atom count	1560
Residues	180
Excluded volume	27818 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3f50__assembly_1__model_1`	hexameric （6）	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)

Entity 1 Entity 1 polymer

Description description	Envelope glycoprotein gp160
Molecular weight formula_weight	4150.9 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	531

XSGIVQQQNNLLRAIEAQQHLLQLTVWGIKQLQARILX

Entity 2 Entity 2 polymer

Description description	alpha/beta-peptide analogue of the HIV gp41 CHR domain
Molecular weight formula_weight	4526.1 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

XXTWEXWDXAIAEYAXRIEXLIXAAQEQQEKNEXALXELX

Entity 3 Entity 3 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	5

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Unit-cell length a length_a	84.945 Å
Unit-cell length b length_b	84.945 Å
Unit-cell length c length_c	84.945 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	24

Space group space_group	P 41 3 2
Space-group number int_tables_number	213
Crystal system crystal_system	—

Resolution resolution	2.800 Å
Low-resolution limit resolution_low	25.000 Å
R factor r_factor	0.2681
R_work r_work	0.2665
R_free r_free	0.3065

HIV gp41 six-helix bundle composed of an alpha/beta-peptide analogue of the CHR domain in complex with an NHR domain alpha-peptide

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

Envelope glycoprotein gp160

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

3f50__assembly_1__model_1

3f50__assembly_1__model_1 | I(q)

3f50__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Citations (1)

HIV gp41 six-helix bundle composed of an alpha/beta-peptide analogue of the CHR domain in complex with an NHR domain alpha-peptide

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

Envelope glycoprotein gp160

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

3f50__assembly_1__model_1

3f50__assembly_1__model_1 | I(q)

3f50__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Citations (1)