7n3t

TrkA ECD complex with designed miniprotein ligand

Method: X-RAY DIFFRACTION Dmax: 152.3 Å Quality: GOOD

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

High affinity nerve growth factor receptor

Homo sapiens

UniProt P04629

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 2 其他Polymer 1 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 36–382 Fragment:Extracellular domain, UNP residues 36-382 Designed TrkA-binding miniprotein × 1 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 × 6 EDO 1,2-ETHANEDIOL × 5 SO4 SULFATE ION × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.2;295 K;0.4 M ammonium sulfate, 0.1 M bis-tris pH 6.2, 16% PEG 3350. Resolution 1.84 Å R-free 0.242
2 Other combination Heteromer Protein × 2 其他Polymer 1 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 36–382 Fragment:Extracellular domain, UNP residues 36-382 Designed TrkA-binding miniprotein × 1 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 × 8 EDO 1,2-ETHANEDIOL × 4 SO4 SULFATE ION × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.2;295 K;0.4 M ammonium sulfate, 0.1 M bis-tris pH 6.2, 16% PEG 3350. Resolution 1.84 Å R-free 0.242

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.

59 other PDB entries and 63 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NTRK1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–348; UniProt 36–382 Author chain B; PDBConstruct 2–348; UniProt 36–382

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 7n3t

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7n3t
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7n3t
Deposition date deposition_date2021-06-01
Structure title titleTrkA ECD complex with designed miniprotein ligand
Keywords keywordscomplex, DE NOVO PROTEIN; DE NOVO PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier49.41
Radius of gyration Rg (electron density) rg_electron50.07
Forward intensity I(0) i0145399000.00
Molecular weight molecular_weight94468.0 kDa
Excluded volume excluded_volume116800 ų
Envelope volume envelope_volume198660 ų
Hydration-shell volume shell_volume38075 ų
Envelope diameter envelope_diameter160.8
Shell Rg shell_rg44.63
Envelope Rg envelope_rg48.31
Shape Rg shape_rg50.04
Total Rg total_rg49.91
Total atoms total_atoms6612
Residues n_residues813
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 dmax152.3
Rg (real space) rg_real50.29
Rg uncertainty (real space) rg_real_error1.69
I(0) (real space) i0_real1.4540e+08
I(0) uncertainty (real space) i0_real_error2.7020e+06
Rg (reciprocal space) rg_reciprocal49.42
I(0) (reciprocal space) i0_reciprocal145200000.0000
Solution quality estimate total_estimate0.7580
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary52.3
Skewness Skewness skewness0.462
Kurtosis Kurtosis kurtosis-0.716
Angular range angular_range— – 0.1600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3889000.0000
Real-space data points n_real_points33
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.776; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.525; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id7n3tA01
Class class3 — Alpha Beta
Architecture architecture80 — Alpha-Beta Horseshoe
Topology topology10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Homologous superfamily homologous superfamily10 — Ribonuclease Inhibitor
Domain ID domain_id7n3tA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7n3tA03
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7n3tB01
Class class3 — Alpha Beta
Architecture architecture80 — Alpha-Beta Horseshoe
Topology topology10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Homologous superfamily homologous superfamily10 — Ribonuclease Inhibitor
Domain ID domain_id7n3tB02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7n3tB03
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)