34WX | pdb_000034wx

GAL-3 protein with galactose

PDB DOI: https://doi.org/10.2210/pdb34WX/pdb

Classification: SUGAR BINDING PROTEIN
Organism(s): Homo sapiens
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2026-10-09 Released: 2026-10-21
Deposition Author(s): Plewka, J., Barnowski, K.
Funding Organization(s): Polish National Science Centre

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.03 Å
R-Value Free:
0.183 (Depositor), 0.183 (DCC)
R-Value Work:
0.171 (Depositor), 0.171 (DCC)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

GAL-3 with galactose

Barnowski, K., Plewka, J.

To be published.

Macromolecule Content

Total Structure Weight: 16.21 kDa
Atom Count: 1,416
Modeled Residue Count: 139
Deposited Residue Count: 141
Unique protein chains: 1

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Galectin-3	A	141	Homo sapiens	Mutation(s): 0 Gene Names: LGALS3, MAC2
UniProt & NIH Common Fund Data Resources
Find proteins for P17931 (Homo sapiens) Explore P17931 Go to UniProtKB: P17931
PHAROS: P17931 GTEx: ENSG00000131981
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P17931
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
GAL (Subject of Investigation/LOI) Query on GAL 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]	beta-D-galactopyranose C₆ H₁₂ O₆ WQZGKKKJIJFFOK-FPRJBGLDSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.03 Å
R-Value Free: 0.183 (Depositor), 0.183 (DCC)
R-Value Work: 0.171 (Depositor), 0.171 (DCC)

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.122	α = 90
b = 58.217	β = 90
c = 62.643	γ = 90

Software Package:

Software Name	Purpose
Aimless	data scaling
gemmi	data extraction
REFMAC	refinement
XDS	data reduction
PHASER	phasing

Structure Validation

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Ligand Structure Quality Assessment

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-10-21

Deposition Author(s):

Funding Organization	Location	Grant Number
Polish National Science Centre	Poland	UMO-2024/55/D/NZ7/01736

Revision History (Full details and data files)

Version 1.0: 2026-10-21
Type: Initial release