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6y9a

Structure of full-length CD20 in complex with Obinutuzumab Fab

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

B-lymphocyte antigen CD20

Homo sapiens

UniProt P11836

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 Obinutuzumab Fab heavy chain × 1 Obinutuzumab Fab Light chain × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
3bky

1 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2osl 2osl 3bky 3pp4 6vja 6y90 6y92 6y97 6y9a 8vgn 8vgo

11 assemblies

View Construct and Data Evidence
UniProt name CD20_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–169； UniProt 45–213 Author chain B； PDBConstruct 1–169； UniProt 45–213

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_id6y9a
Deposition date deposition_date2020-03-06
Structure title titleStructure of full-length CD20 in complex with Obinutuzumab Fab
Keywords keywordsCancer immunotherapy, Therapeutic antibody, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY
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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.

6y9a__assembly_1__model_1

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

Download this curve (.dat)

6y9a__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

6y9a__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）39.47 Å
Rg (electron density)40.65 Å
Total Rg40.98 Å
Atom count5948
Residues776
Excluded volume107300 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 6y9a__assembly_1__model_1 tetrameric （4） 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 (3)

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7. Citations (1)