6ff3

Crystal structure of Drosophila neural ectodermal development factor Imp-L1 with Human IGF-I

Method: X-RAY DIFFRACTION Dmax: 68.2 Å Quality: GOOD

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

Neural/ectodermal development factor IMP-L2

Drosophila melanogaster

UniProt Q09024

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 26–267 Not recorded Insulin-like growth factor I × 1 (P05019) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 7.5;291 K;cp 10 mg/ml, 4-8% w/v PEG 6K, 5-20 mM MgCl2, 5 mM SB12, 0.1 M TRIS pH 7.5 Resolution 2.57 Å R-free 0.285

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 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name IMPL2_DROME
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–242; UniProt 26–267

Insulin-like growth factor I

Homo sapiens

UniProt P05019

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 49–118 Not recorded Neural/ectodermal development factor IMP-L2 × 1 (Q09024) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 7.5;291 K;cp 10 mg/ml, 4-8% w/v PEG 6K, 5-20 mM MgCl2, 5 mM SB12, 0.1 M TRIS pH 7.5 Resolution 2.57 Å R-free 0.285

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.

21 other PDB entries and 23 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name IGF1_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–70; UniProt 49–118

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 6ff3

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6ff3
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6ff3
Deposition date deposition_date2018-01-03
Structure title titleCrystal structure of Drosophila neural ectodermal development factor Imp-L1 with Human IGF-I
Keywords keywordsIGF-I, insulin binding protein, Drosophila, imaginal morphogenesis, PEPTIDE BINDING PROTEIN; PEPTIDE BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.38
Radius of gyration Rg (electron density) rg_electron19.46
Forward intensity I(0) i013737300.00
Molecular weight molecular_weight26900.0 kDa
Excluded volume excluded_volume33314 ų
Envelope volume envelope_volume40491 ų
Hydration-shell volume shell_volume17830 ų
Envelope diameter envelope_diameter69.2
Shell Rg shell_rg25.20
Envelope Rg envelope_rg19.68
Shape Rg shape_rg19.46
Total Rg total_rg20.30
Total atoms total_atoms1886
Residues n_residues247
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 dmax68.2
Rg (real space) rg_real20.35
Rg uncertainty (real space) rg_real_error0.51
I(0) (real space) i0_real1.3740e+07
I(0) uncertainty (real space) i0_real_error1.7290e+05
Rg (reciprocal space) rg_reciprocal20.36
I(0) (reciprocal space) i0_reciprocal13740000.0000
Solution quality estimate total_estimate0.8080
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary25.3
Skewness Skewness skewness0.303
Kurtosis Kurtosis kurtosis-0.350
Angular range angular_range— – 0.3900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3224000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.841; Stabil: 0.996; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id6ff3B00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology100 — Insulin-like, subunit E
Homologous superfamily homologous superfamily10 — Insulin-like

8. Citations (1)

9. Files and Curves (10)