6lbe

Crystal structure of bony fish MHC class I binding beta2M-2 for 2.6 angstrom

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

MHC class I antigen

Ctenopharyngodon idella

UniProt Q65XY8

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 Beta-2-microglobulin × 1 (A0A3G2VUI3) 9-mer peptide from RNA-DIRECTED RNA POLYMERASE L × 1 water × 3 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 3 Beta-2-microglobulin × 1 (A0A3G2VUI3) 9-mer peptide from RNA-DIRECTED RNA POLYMERASE L × 1 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Q65XY8_CTEID
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–275; UniProt 17–291 Author chain C; PDBConstruct 1–275; UniProt 17–291

Beta-2-microglobulin

Ctenopharyngodon idella

UniProt A0A3G2VUI3

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 MHC class I antigen × 1 (Q65XY8) 9-mer peptide from RNA-DIRECTED RNA POLYMERASE L × 1 water × 3 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 3 MHC class I antigen × 1 (Q65XY8) 9-mer peptide from RNA-DIRECTED RNA POLYMERASE L × 1 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name A0A3G2VUI3_CTEID
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 2–99; UniProt 20–117 Author chain D; PDBConstruct 2–99; UniProt 20–117

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_id6lbe
Deposition date deposition_date2019-11-14
Structure title titleCrystal structure of bony fish MHC class I binding beta2M-2 for 2.6 angstrom
Keywords keywordsImmunoglobulin-like, MHC class I, Peptide-binding protein, Antigen presentation, IMMUNE SYSTEM; IMMUNE SYSTEM
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.

6lbe__assembly_1__model_1

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

Download this curve (.dat)

6lbe__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

6lbe__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)24.23 Å
Rg (electron density)23.33 Å
Total Rg24.17 Å
Atom count3073
Residues381
Excluded volume54078 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 6lbe__assembly_1__model_1 trimeric (3) Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 6lbe__assembly_2__model_1 trimeric (3) 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)