2ks1

Heterodimeric association of Transmembrane domains of ErbB1 and ErbB2 receptors Enabling Kinase Activation

Method: SOLUTION NMR Dmax: 81.7 Å Quality: GOOD

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

Receptor tyrosine-protein kinase erbB-2

Homo sapiens

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 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 641–684 Fragment:ErbB2TM domain, UNP residues 641-684 Epidermal growth factor receptor × 1 (P00533) SOLUTION NMR NMR measurement conditions:pH 4.5;313 K;Ionic strength (raw mmCIF value) 10;Pressure ambient NMR sample composition:1 mM [U-100% 15N] ErbB1TM-1, 1 mM [U-100% 15N] ErbB2TM-2, 12 mM DMPC-3, 48 mM DHPC-4, 95% H2O/5% D2O | 95% H2O/5% D2O NMR sample composition:1 mM [U-100% 13C; U-100% 15N] ErbB1TM-5, 1 mM ErbB2TM-6, 12 mM [U-2H] DMPC-7, 48 mM [U-2H] DHPC-8, 100% D2O | 100% D2O NMR sample composition:1 mM ErbB1TM-9, 1 mM [U-100% 13C; U-100% 15N] ErbB2TM-10, 12 mM [U-2H] DMPC-11, 48 mM [U-2H] DHPC-12, 95% H2O/5% D2O | 95% H2O/5% D2O NMR sample composition:1 mM [U-100% 13C; U-100% 15N] ErbB1TM-13, 1 mM ErbB2TM-14, 12 mM [U-2H] DMPC-15, 48 mM [U-2H] DHPC-16, 95% H2O/5% D2O | 95% H2O/5% D2O Resolution not provided

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 1
Chains and sequence ranges Author chain A; PDBConstruct 1–44; UniProt 641–684

Epidermal growth factor receptor

Homo sapiens

UniProt P00533

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 634–677 Fragment:ErbB1TM domain, UNP residues 634-677 Receptor tyrosine-protein kinase erbB-2 × 1 (P04626) SOLUTION NMR NMR measurement conditions:pH 4.5;313 K;Ionic strength (raw mmCIF value) 10;Pressure ambient NMR sample composition:1 mM [U-100% 15N] ErbB1TM-1, 1 mM [U-100% 15N] ErbB2TM-2, 12 mM DMPC-3, 48 mM DHPC-4, 95% H2O/5% D2O | 95% H2O/5% D2O NMR sample composition:1 mM [U-100% 13C; U-100% 15N] ErbB1TM-5, 1 mM ErbB2TM-6, 12 mM [U-2H] DMPC-7, 48 mM [U-2H] DHPC-8, 100% D2O | 100% D2O NMR sample composition:1 mM ErbB1TM-9, 1 mM [U-100% 13C; U-100% 15N] ErbB2TM-10, 12 mM [U-2H] DMPC-11, 48 mM [U-2H] DHPC-12, 95% H2O/5% D2O | 95% H2O/5% D2O NMR sample composition:1 mM [U-100% 13C; U-100% 15N] ErbB1TM-13, 1 mM ErbB2TM-14, 12 mM [U-2H] DMPC-15, 48 mM [U-2H] DHPC-16, 95% H2O/5% D2O | 95% H2O/5% D2O Resolution not provided

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.

383 other PDB entries and 565 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name EGFR_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–44; UniProt 634–677

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 2ks1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2ks1
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id2ks1
Deposition date deposition_date2009-12-24
Structure title titleHeterodimeric association of Transmembrane domains of ErbB1 and ErbB2 receptors Enabling Kinase Activation
Keywords keywordsErbB1, ErbB2, transmembrane, heterodimer, complex, tyrosine kinase receptor, bicelles, TRANSFERASE; TRANSFERASE
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier21.00
Radius of gyration Rg (electron density) rg_electron19.89
Forward intensity I(0) i0154025000.00
Molecular weight molecular_weight113180.0 kDa
Excluded volume excluded_volume147050 ų
Envelope volume envelope_volume50450 ų
Hydration-shell volume shell_volume18052 ų
Envelope diameter envelope_diameter88.2
Shell Rg shell_rg30.39
Envelope Rg envelope_rg24.93
Shape Rg shape_rg19.85
Total Rg total_rg20.52
Total atoms total_atoms16968
Residues n_residues1056
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 dmax81.7
Rg (real space) rg_real21.32
Rg uncertainty (real space) rg_real_error1.23
I(0) (real space) i0_real1.5400e+08
I(0) uncertainty (real space) i0_real_error2.4260e+06
Rg (reciprocal space) rg_reciprocal21.26
I(0) (reciprocal space) i0_reciprocal154000000.0000
Solution quality estimate total_estimate0.7566
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary18.9
Skewness Skewness skewness0.468
Kurtosis Kurtosis kurtosis-0.444
Angular range angular_range— – 0.3800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha92820.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.543; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.210; Smooth: 0.994

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id2ks1A00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily100 — Cytochrome c1, transmembrane anchor, C-terminal
Domain ID domain_id2ks1B01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily420 — Immunoglobulin FC, subunit C

8. Citations (1)

9. Files and Curves (10)