8FTB | pdb_00008ftb

Crystal structure of integrin beta-2 tail bound to the FERM-folded talin head domain with a K306Q mutation

PDB DOI: https://doi.org/10.2210/pdb8FTB/pdb

Classification: CELL ADHESION
Organism(s): Mus musculus
Expression System: Escherichia coli BL21(DE3)
Mutation(s): Yes

Deposited: 2023-01-11 Released: 2024-07-03
Deposition Author(s): Wu, J., Gao, T.
Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.97 Å
R-Value Free:
0.211 (Depositor), 0.210 (DCC)
R-Value Work:
0.183 (Depositor), 0.180 (DCC)
R-Value Observed:
0.185 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

This is version 1.1 of the entry. See complete history.

Literature

Molecular basis of beta 2 integrin activation by talin unveils subunit-specific mechanisms of integrin signaling

Gao, T., Maskalenko, N.A., Kabir, S., Campbell, K.S., Wu, J.

(2025) Cell Rep 44: 115607

DOI: https://doi.org/10.1016/j.celrep.2025.115607

Macromolecule Content

Total Structure Weight: 47.41 kDa
Atom Count: 3,539
Modeled Residue Count: 378
Deposited Residue Count: 411
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Integrin beta-2,Talin-1	A [auth B]	411	Mus musculus	Mutation(s): 1 Gene Names: Itgb2, Tln1, Tln
UniProt
Find proteins for P11835 (Mus musculus) Explore P11835 Go to UniProtKB: P11835
Find proteins for P26039 (Mus musculus) Explore P26039 Go to UniProtKB: P26039
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Groups	P11835P26039
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.97 Å
R-Value Free: 0.211 (Depositor), 0.210 (DCC)
R-Value Work: 0.183 (Depositor), 0.180 (DCC)
R-Value Observed: 0.185 (Depositor)

Space Group: P 2₁ 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.006	α = 90
b = 68.394	β = 90
c = 110.617	γ = 90

Software Package:

Software Name	Purpose
XDS	data scaling
PHENIX	refinement
XDS	data reduction
PHENIX	phasing

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2024-07-03

Deposition Author(s):

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	--

Revision History (Full details and data files)

Version 1.0: 2024-07-03
Type: Initial release
Version 1.1: 2025-05-07
Changes: Database references, Structure summary

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.