7TKW

Crystal structure of R14A human Galectin-7 mutant

• PDB DOI: https://doi.org/10.2210/pdb7TKW/pdb

• Classification: SUGAR BINDING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2022-01-17 Released: 2023-01-25 
• Deposition Author(s): Pham, N.T.H., Calmettes, C., Doucet, N.
• Funding Organization(s): Natural Sciences and Engineering Research Council (NSERC, Canada), National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS), Fonds de Recherche du Quebec - Sante (FRQS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.231 
• R-Value Work: 0.193 
• R-Value Observed: 0.195 

Starting Model: experimental

Literature

Crystal structure of R14A human Galectin-7 mutant

Pham, N.T.H., Calmettes, C., Doucet, N.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 30.34 kDa 
• Atom Count: 2,357 
• Modelled Residue Count: 265 
• Deposited Residue Count: 270 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Galectin-7	A, B	135	Homo sapiens	Mutation(s): 1  Gene Names: LGALS7, PIG1, LGALS7B
UniProt & NIH Common Fund Data Resources
Find proteins for P47929 (Homo sapiens) Explore P47929  Go to UniProtKB:  P47929
PHAROS:  P47929 GTEx:  ENSG00000178934 ENSG00000205076

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PEG	D [auth A], E [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
GOL	C [auth A], F [auth A], G [auth A], H [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.231 
• R-Value Work: 0.193 
• R-Value Observed: 0.195 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.75	α = 90
b = 64.95	β = 90
c = 70.41	γ = 90

Software Package:

Software Name	Purpose
MOSFLM	data reduction
Aimless	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-01-25 
Deposition Author(s): Pham, N.T.H., Calmettes, C., Doucet, N.

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Funding Organization	Location	Grant Number
Natural Sciences and Engineering Research Council (NSERC, Canada)	Canada	RGPIN 2016-05557
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	Canada	R01GM105978
Fonds de Recherche du Quebec - Sante (FRQS)	Canada	FRQ-S Research Scholar Senior Career Award (281993)
Fonds de Recherche du Quebec - Sante (FRQS)	Canada	FRQ-S Junior 1 (251848)
Natural Sciences and Engineering Research Council (NSERC, Canada)	Canada	RGPIN-2017-06091
Fonds de Recherche du Quebec - Sante (FRQS)	Canada	FRQ-S Doctoral Training scholarship (287239)

Revision History  

• Version 1.0: 2023-01-25
  Type: Initial release
  
• Version 1.1: 2023-10-25
  Changes: Data collection, Refinement description