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9qbg

HER2/ErbB2 extracellular domain (ECD) in extended conformation in complex with trastuzumab (TZB) antibody

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

Receptor tyrosine-protein kinase erbB-2,Green fluorescent protein

Aequorea victoria

UniProt P04626

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Monomer Protein 1 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer
3pp0 3pp0 3rcd 3rcd 3rcd 3rcd 7jxh 7jxh 7jxh 7jxh 7jxh 7jxh

17 assemblies; showing the first 12

Homodimer
2jwa 2n2a 3rcd 3rcd 5ob4

5 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1mw4 1n8z 1qr1 1qr1 1s78 1s78 2a91 2ks1 2l4k 3be1 3h3b 3h3b

59 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name ERBB2_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 57–1063； UniProt 23–1029

Receptor tyrosine-protein kinase erbB-2,Green fluorescent protein

Aequorea victoria

UniProt P42212

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Monomer Protein 1 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1bfp 1c4f 1cv7 1ema 1emb 1emg 1f09 1f0b 1gfl 1gfl 1h6r 1h6r

379 assemblies; showing the first 12

Homodimer
1eme 1emf 1emk 1eml 1emm 1kp5 1kp5 1kp5 1myw 2b3q 2b3q 2emd

31 assemblies; showing the first 12

Homotetramer
1b9c 1emc 1hcj 1hcj 1kp5 1kp5 1w7s 1w7t 2ah8 5mse

10 assemblies

Other homooligomers
1w7u 5hbd 5hge 5hw9 6as9 6mdr

6 assemblies

Heteromeric or nucleic-acid complex
2jad 3ek4 3ek7 3ek8 3ekh 3ekj 3evr 3evu 3evv 3g9a 3k1k 3k1k

319 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name GFP_AEQVI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1074–1311； UniProt 1–238

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_id9qbg
Deposition date deposition_date2025-03-02
Last revision last_revision2025-08-06
Structure title titleHER2/ErbB2 extracellular domain (ECD) in extended conformation in complex with trastuzumab (TZB) antibody
Keywords keywordsReceptor, tyrosine kinase, transmembrane, HER2, SIGNALING PROTEIN; SIGNALING 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.

9qbg__assembly_1__model_1

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

Download this curve (.dat)

9qbg__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.

9qbg__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）26.53 Å
Rg (electron density)25.41 Å
Total Rg26.23 Å
Atom count7684
Residues508
Excluded volume68995 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9qbg__assembly_1__model_1 monomeric （1） 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 (1)

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7. Citations (1)