8Q53

Crystal structure of truncated human Microtubule-associated proteins 1A/1B light chain 3B (MAP1LC3B) in apo form

• PDB DOI: https://doi.org/10.2210/pdb8Q53/pdb

• Classification: PROTEIN BINDING
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-08-08 Released: 2024-08-21 
• Deposition Author(s): Kumar, A., Knapp, S., Structural Genomics Consortium (SGC)
• Funding Organization(s): European Union (EU)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.36 Å
• R-Value Free: 0.210 
• R-Value Work: 0.190 
• R-Value Observed: 0.192 

Starting Model: experimental

Literature

Crystal structure of truncated human Microtubule-associated proteins 1A/1B light chain 3B in apo form

Kumar, A., Knapp, S.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 15.39 kDa 
• Atom Count: 1,136 
• Modelled Residue Count: 115 
• Deposited Residue Count: 126 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Microtubule-associated proteins 1A/1B light chain 3B	A	126	Homo sapiens	Mutation(s): 0  Gene Names: MAP1LC3B
UniProt & NIH Common Fund Data Resources
Find proteins for Q9GZQ8 (Homo sapiens) Explore Q9GZQ8  Go to UniProtKB:  Q9GZQ8
PHAROS:  Q9GZQ8 GTEx:  ENSG00000140941

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], J [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
CL	K [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.36 Å
• R-Value Free: 0.210 
• R-Value Work: 0.190 
• R-Value Observed: 0.192 
• Space Group: P 4₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 60.255	α = 90
b = 60.255	β = 90
c = 34.927	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-08-21 
Deposition Author(s): Kumar, A., Knapp, S., Structural Genomics Consortium (SGC)

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Funding Organization	Location	Grant Number
European Union (EU)	European Union	875510

Revision History  

• Version 1.0: 2024-08-21
  Type: Initial release