7mn6

Structure of the HER2 S310F/HER3/NRG1b Heterodimer Extracellular Domain

Method: ELECTRON MICROSCOPY Dmax: 136.8 Å Quality: EXCELLENT

1. Protein Identity and Related Structures Protein Identity & Related Structures

Receptor tyrosine-protein kinase erbB-3

Homo sapiens

UniProt P21860

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 3 其他Polymer 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 1–1021 Fragment:Extracellular Domain Receptor tyrosine-protein kinase erbB-2,Maltose/maltodextrin-binding periplasmic protein × 1 (P04626,P0AEX9) Isoform 6 of Pro-neuregulin-1, membrane-bound isoform × 1 (Q02297-6) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.09 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

22 other PDB entries and 35 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ERBB3_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–1021; UniProt 1–1021

Receptor tyrosine-protein kinase erbB-2,Maltose/maltodextrin-binding periplasmic protein

Escherichia coli

UniProt P04626

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 3 其他Polymer 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 1–1029 Fragment:Extracellular Domain Mutation:S310F Receptor tyrosine-protein kinase erbB-3 × 1 (P21860) Isoform 6 of Pro-neuregulin-1, membrane-bound isoform × 1 (Q02297-6) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.09 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

57 other PDB entries and 80 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ERBB2_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–1029; UniProt 1–1029

Receptor tyrosine-protein kinase erbB-2,Maltose/maltodextrin-binding periplasmic protein

Escherichia coli

UniProt P0AEX9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 3 其他Polymer 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 27–392 Fragment:Extracellular Domain Mutation:S310F Receptor tyrosine-protein kinase erbB-3 × 1 (P21860) Isoform 6 of Pro-neuregulin-1, membrane-bound isoform × 1 (Q02297-6) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.09 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

366 other PDB entries and 491 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MALE_ECOLI
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1049–1414; UniProt 27–392

Isoform 6 of Pro-neuregulin-1, membrane-bound isoform

Homo sapiens

UniProt Q02297-6

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 3 其他Polymer 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain H; UniProt 177–236 Fragment:EGF-like Domain Receptor tyrosine-protein kinase erbB-3 × 1 (P21860) Receptor tyrosine-protein kinase erbB-2,Maltose/maltodextrin-binding periplasmic protein × 1 (P04626,P0AEX9) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.09 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NRG1-6_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain H; PDBConstruct 3–62; UniProt 177–236

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.

SAXS scattering curve SAXS Profile

SAXS profile for 7mn6

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7mn6
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7mn6
Deposition date deposition_date2021-04-30
Structure title titleStructure of the HER2 S310F/HER3/NRG1b Heterodimer Extracellular Domain
Keywords keywordsComplex, Receptor Tyrosine Kinase, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier43.46
Radius of gyration Rg (electron density) rg_electron42.87
Forward intensity I(0) i0321693000.00
Molecular weight molecular_weight138400.0 kDa
Excluded volume excluded_volume169780 ų
Envelope volume envelope_volume260000 ų
Hydration-shell volume shell_volume51657 ų
Envelope diameter envelope_diameter137.2
Shell Rg shell_rg46.69
Envelope Rg envelope_rg41.89
Shape Rg shape_rg42.87
Total Rg total_rg43.09
Total atoms total_atoms9649
Residues n_residues1227
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax136.8
Rg (real space) rg_real43.39
Rg uncertainty (real space) rg_real_error1.63
I(0) (real space) i0_real3.2170e+08
I(0) uncertainty (real space) i0_real_error6.3100e+06
Rg (reciprocal space) rg_reciprocal43.46
I(0) (reciprocal space) i0_reciprocal321700000.0000
Solution quality estimate total_estimate0.9002
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary53.2
Skewness Skewness skewness0.111
Kurtosis Kurtosis kurtosis-0.807
Angular range angular_range— – 0.1800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha18420000.0000
Real-space data points n_real_points37
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.962; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.987; Smooth: 0.824

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id7mn6B01
Class class3 — Alpha Beta
Architecture architecture80 — Alpha-Beta Horseshoe
Topology topology20 — 24 nucleotide stem-loop, u2 snrnp hairpin iv. U2 a'; Chain A
Homologous superfamily homologous superfamily20 — Receptor L-domain

8. Citations (1)

9. Files and Curves (10)