SAXSdb — 3f4y

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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	Mutant peptide derived from HIV gp41 CHR domain × 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 Author chain B； PDBConstruct 2–37； UniProt 545–580 Author chain C； 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	3f4y
Deposition date deposition_date	2008-11-03
Structure title title	HIV gp41 six-helix bundle containing a mutant CHR alpha-peptide sequence
Keywords keywords	;helix bundle, AIDS, Apoptosis, Cell membrane, Cleavage on pair of basic residues, Coiled coil, Envelope protein, Fusion protein, Glycoprotein, Host-virus interaction, Lipoprotein, Membrane, Palmitate, Transmembrane, Viral immunoevasion, Virion, VIRAL PROTEIN ;; 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.

3f4y__assembly_1__model_1

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

Download this curve (.dat)

3f4y__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3f4y__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	20.07 Å
Rg (electron density)	19.13 Å
Total Rg	20.08 Å
Atom count	3683
Residues	222
Excluded volume	32348 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3f4y__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 (3)

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	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	4225

XSGIVQQQNNLLRAIEAQQHLLQLTVWGIKQLQARILX

Entity 2 Entity 2 polymer

Description description	Mutant peptide derived from HIV gp41 CHR domain
Molecular weight formula_weight	4444.9 kDa
Mutation mutation	M1T, M4E, E5A, E9A, N11A, N12E, T14A, S15A, L16R, H18E, S19A, N21E, Q33A, E34A, L36R
Source method src_method	syn
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D,E,F

XTTWEAWDRAIAEYAARIEALIRAAQEQQEKNEAALRELX

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	152

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Unit-cell length a length_a	37.611 Å
Unit-cell length b length_b	179.038 Å
Unit-cell length c length_c	33.075 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	12

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	25.000 Å
R factor r_factor	0.2120
R_work r_work	0.2090
R_free r_free	0.2600

HIV gp41 six-helix bundle containing a mutant CHR alpha-peptide sequence

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

3f4y__assembly_1__model_1

3f4y__assembly_1__model_1 | I(q)

3f4y__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 water

7. Citations (1)

HIV gp41 six-helix bundle containing a mutant CHR alpha-peptide sequence

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

3f4y__assembly_1__model_1

3f4y__assembly_1__model_1 | I(q)

3f4y__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 water

7. Citations (1)