3U91 | pdb_00003u91

Structural Determinants of Trimerization Specificity in HIV-1 gp41 Protein

PDB DOI: https://doi.org/10.2210/pdb3U91/pdb

Classification: VIRAL PROTEIN
Organism(s): Human immunodeficiency virus 1
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2011-10-17 Released: 2013-04-24
Deposition Author(s): Liu, J., Lu, M.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.45 Å
R-Value Free:
0.233 (Depositor), 0.228 (DCC)
R-Value Work:
0.192 (Depositor)
R-Value Observed:
0.196 (Depositor)

Starting Model: experimental
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Ligand Structure Quality Assessment

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Literature

Structural Determinants of Trimerization Specificity in HIV-1 gp41 Protein

Liu, J., Li, Q., Dey, A.K., Moore, J.P., Lu, M.

To be published.

Macromolecule Content

Total Structure Weight: 4.53 kDa
Atom Count: 316
Modeled Residue Count: 30
Deposited Residue Count: 33
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Gp41	A	33	Human immunodeficiency virus 1	Mutation(s): 0 Gene Names: env
UniProt
Find proteins for Q7ZC55 (Human immunodeficiency virus type 1) Explore Q7ZC55 Go to UniProtKB: Q7ZC55
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q7ZC55
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
JEF Query on JEF Download:Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	O-(O-(2-AMINOPROPYL)-O'-(2-METHOXYETHYL)POLYPROPYLENE GLYCOL 500) C₃₀ H₆₃ N O₁₀ ICCXIDTYQFYPNV-RUMGZKRTSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.45 Å
R-Value Free: 0.233 (Depositor), 0.228 (DCC)
R-Value Work: 0.192 (Depositor)
R-Value Observed: 0.196 (Depositor)

Space Group: P 3 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.308	α = 90
b = 45.308	β = 90
c = 42.16	γ = 120

Software Package:

Software Name	Purpose
ADSC	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

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Entry History

Deposition Data

Released Date: 2013-04-24

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2013-04-24
Type: Initial release
Version 1.1: 2023-09-13
Changes: Data collection, Database references, Derived calculations, Refinement description

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.