SAXSdb — 3h00

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

Envelope glycoprotein gp160

Human immunodeficiency virus type 1 lw12.3 isolate

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ENV_HV1LW
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–39； UniProt 636–674 Author chain B； PDBConstruct 1–39； UniProt 636–674 Author chain C； PDBConstruct 1–39； UniProt 636–674 Author chain D； PDBConstruct 1–39； UniProt 636–674

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	3h00
Deposition date deposition_date	2009-04-08
Structure title title	Structure of the C-terminal Domain of a Putative HIV-1 gp41 Fusion Intermediate
Keywords keywords	;viral membrane fusion, HIV-1, gp41, envelope protein, neutralizing antibodies, AIDS, Apoptosis, Cell membrane, Cleavage on pair of basic residues, Disulfide bond, 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.

3h00__assembly_2__model_1

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

Download this curve (.dat)

3h00__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3h00__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	17.31 Å
Rg (electron density)	17.86 Å
Total Rg	18.13 Å
Atom count	633
Residues	74
Excluded volume	10988 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3h00__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3h00__assembly_2__model_1`	dimeric （2）	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 (2)

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Unit-cell length a length_a	120.764 Å
Unit-cell length b length_b	47.499 Å
Unit-cell length c length_c	74.824 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	128.32 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	16

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	40.100 Å
R factor r_factor	0.2140
R_work r_work	0.2118
R_free r_free	0.2553

Description description	Envelope glycoprotein gp160
Molecular weight formula_weight	4796.2 kDa
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	1402

Structure of the C-terminal Domain of a Putative HIV-1 gp41 Fusion Intermediate

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

3h00__assembly_2__model_1

3h00__assembly_2__model_1 | I(q)

3h00__assembly_2__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

7. Citations (1)

Source organism organism	Human immunodeficiency virus type 1 lw12.3 isolate
Common name common_name	HIV-1
NCBI taxonomy ID ncbi_taxonomy_id	82834
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	93

Structure of the C-terminal Domain of a Putative HIV-1 gp41 Fusion Intermediate

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

3h00__assembly_2__model_1

3h00__assembly_2__model_1 | I(q)

3h00__assembly_2__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

7. Citations (1)