1szt

ATOMIC STRUCTURE OF A THERMOSTABLE SUBDOMAIN OF HIV-1 GP41

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

HIV-1 ENVELOPE GLYCOPROTEIN GP41

Human immunodeficiency virus 1

UniProt P04582

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 3 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ENV_HV1B8
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–34; UniProt 541–574

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_id1szt
Deposition date deposition_date1997-07-28
Structure title titleATOMIC STRUCTURE OF A THERMOSTABLE SUBDOMAIN OF HIV-1 GP41
Keywords keywordsCOAT PROTEIN, HIV-1 ENVELOPE GLYCOPROTEIN, Viral protein; VIRAL PROTEIN
Experimental Method methodX-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.

1szt__assembly_1__model_1

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

Download this curve (.dat)

1szt__assembly_1__model_1 | I(q)

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

1szt__assembly_1__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)19.29 Å
Rg (electron density)17.96 Å
Total Rg19.02 Å
Atom count1665
Residues204
Excluded volume29066 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1szt__assembly_1__model_1 trimeric (3) 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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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1szta_
Class classh — Coiled coil proteins
Fold Fold foldh.3 — Stalk segment of viral fusion proteins
Superfamily Superfamily superfamilyh.3.2 — Virus ectodomain
Family Family familyh.3.2.1 — Virus ectodomain

CATH v4.4 (1 domains)

Domain ID domain_id1sztA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily210 —
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7. Citations (4)