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8q7k

IRGQ LIR2 peptide in complex with LC3B

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Microtubule-associated proteins 1A/1B light chain 3B

Homo sapiens

UniProt Q9GZQ8

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Immunity-related GTPase family Q protein × 1 （Q8WZA9） water × 2 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 2 Immunity-related GTPase family Q protein × 1 （Q8WZA9） 1,2-ETHANEDIOL × 1 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1v49 2zjd 2zjd 3vtu 3x0w 3x0w 5dcn 5ms6 5ms6 7elg 7ga8 7ga9

33 assemblies; showing the first 12

Homodimer
4waa 5v4k 6j04 6j04

4 assemblies

Homotetramer
5xac 5xae

2 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex
2lue 2n9x 2zjd 2zjd 3vtv 3vtw 3vtw 3vtw 3wao 3wao 3wao 3wao

26 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name MLP3B_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–125； UniProt 1–125 Author chain B； PDBConstruct 1–125； UniProt 1–125

Immunity-related GTPase family Q protein

OrganismNot specified

UniProt Q8WZA9

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Microtubule-associated proteins 1A/1B light chain 3B × 1 （Q9GZQ8） water × 2 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 2 Microtubule-associated proteins 1A/1B light chain 3B × 1 （Q9GZQ8） 1,2-ETHANEDIOL × 1 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
8q6q 8q6q 8q7k 8q7k

4 assemblies

View Construct and Data Evidence
UniProt name IRGQ_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain C； PDBConstruct 1–9； UniProt 417–425 Author chain D； PDBConstruct 1–9； UniProt 417–425

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id8q7k
Deposition date deposition_date2023-08-16
Structure title titleIRGQ LIR2 peptide in complex with LC3B
Keywords keywordsAutophagy, LC3B, LIR, IRGQ, PROTEIN BINDING; PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

8q7k__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

8q7k__assembly_1__model_1 | I(q)

10-2 10-1 105 106 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

8q7k__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）15.77 Å
Rg (electron density)14.20 Å
Total Rg15.42 Å
Atom count2078
Residues124
Excluded volume18539 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8q7k__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 8q7k__assembly_2__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (4)

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7. Citations (1)