SAXSdb — 2gf1

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

INSULIN-LIKE GROWTH FACTOR I

Homo sapiens

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 monomer Monomer Protein × 1 PDB declaration: monomeric（1） Consistent with protein copy count	Chain A； UniProt 49–118	Not recorded	No other associated polymer	SOLUTION NMR mmCIF provides none of the parsed experimental conditions	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.

Other PDB	Difference from Current Entry 2GF1	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1B9G INSULIN-LIKE-GROWTH-FACTOR-1 Deposited 1999-02-11	Different construct Different experimental conditions	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–57（57 aa）	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 1.9；293 K	Resolution not provided
1GZR Human Insulin-like growth factor; ESRF data Deposited 2002-05-28	Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 49–118（70 aa）	Not recorded	C15 N-DODECYL-N,N-DIMETHYL-3-AMMONIO-1-PROPANESULFONATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；THE PROTEIN WAS CRYSTALLIZED BY THE HANGING DROP METHOD IN WHICH DROPS WERE COMPOSED OF VARIOUS RATIOS OF HIGF-I AT 7MG/ML (IN H2O) WITH RESERVOIR SOLUTION CONSISTING OF 0.1M TRIS.HCL PH 7.5, 12-15% (W/V) PEG 2K AND 5MM SB12 DETERGENT.	Resolution 2.00 Å R-free 0.295
1GZY Human Insulin-like growth factor; In-house data Deposited 2002-06-10	Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 49–118（70 aa）	Not recorded	C15 N-DODECYL-N,N-DIMETHYL-3-AMMONIO-1-PROPANESULFONATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；THE PROTEIN WAS CRYSTALLIZED BY THE HANGING DROP METHOD IN WHICH DROPS WERE COMPOSED OF VARIOUS RATIOS OF HIGF-I AT 7MG/ML (IN H2O) WITH RESERVOIR SOLUTION CONSISTING OF 0.1M TRIS.HCL PH 7.5, 12-15% (W/V) PEG 2K AND 5MM SB12 DETERGENT.	Resolution 2.54 Å R-free 0.265
1GZZ Human Insulin-like growth factor; Hamburg data Deposited 2002-06-10	Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 49–118（70 aa）	Not recorded	C15 N-DODECYL-N,N-DIMETHYL-3-AMMONIO-1-PROPANESULFONATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；THE PROTEIN WAS CRYSTALLIZED BY THE HANGING DROP METHOD IN WHICH DROPS WERE COMPOSED OF VARIOUS RATIOS OF HIGF-I AT 7MG/ML (IN H2O) WITH RESERVOIR SOLUTION CONSISTING OF 0.1M TRIS.HCL PH 7.5, 12-15% (W/V) PEG 2K AND 5MM SB12 DETERGENT.	Resolution 2.30 Å R-free 0.275
1H02 Human Insulin-like growth factor; SRS Daresbury data Deposited 2002-06-11	Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 49–118（70 aa）	Not recorded	C15 N-DODECYL-N,N-DIMETHYL-3-AMMONIO-1-PROPANESULFONATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；THE PROTEIN WAS CRYSTALLIZED BY THE HANGING DROP METHOD IN WHICH DROPS WERE COMPOSED OF VARIOUS RATIOS OF HIGF-I AT 7MG/ML (IN H2O) WITH RESERVOIR SOLUTION CONSISTING OF 0.1M TRIS.HCL PH 7.5, 12-15% (W/V) PEG 2K AND 5MM SB12 DETERGENT.	Resolution 2.00 Å R-free 0.300
1H59 Complex of IGFBP-5 with IGF-I Deposited 2001-05-21	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 49–118（70 aa） Fragment：RESIDUES 49-118	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 5.6；pH 5.60	Resolution 2.10 Å R-free 0.262
1IMX 1.8 Angstrom crystal structure of IGF-1 Deposited 2001-05-11	Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 49–118（70 aa）	Not recorded	BR BROMIDE ION × 1 CPQ N,N-BIS(3-D-GLUCONAMIDOPROPYL)DEOXYCHOLAMIDE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；PEG 3350, deoxy big CHAPS, sodium cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 1.82 Å R-free 0.258
1TGR Crystal Structure of mini-IGF-1(2) Deposited 2004-05-29	Different construct Different mutation/modification Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 49–77（29 aa） Fragment：residues 1-52 Chain A 90–110（21 aa） Fragment：residues 1-52	Mutation：T29K Mutation：T29K	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.65；289 K；Citrate, ethanol, pH 6.65, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 1.42 Å R-free 0.224
1TGR Crystal Structure of mini-IGF-1(2) Deposited 2004-05-29	Different construct Different mutation/modification Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 49–77（29 aa） Fragment：residues 1-52 Chain B 90–110（21 aa） Fragment：residues 1-52	Mutation：T29K Mutation：T29K	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.65；289 K；Citrate, ethanol, pH 6.65, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 1.42 Å R-free 0.224
1TGR Crystal Structure of mini-IGF-1(2) Deposited 2004-05-29	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 3 Protein homooligomer Homooligomer；Protein × 8 PDB declaration: octameric	Chain A 49–77（29 aa） Fragment：residues 1-52 Chain A 90–110（21 aa） Fragment：residues 1-52 Chain B 49–77（29 aa） Fragment：residues 1-52 Chain B 90–110（21 aa） Fragment：residues 1-52	Mutation：T29K Mutation：T29K Mutation：T29K Mutation：T29K	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.65；289 K；Citrate, ethanol, pH 6.65, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 1.42 Å R-free 0.224
3GF1 SOLUTION STRUCTURE OF HUMAN INSULIN-LIKE GROWTH FACTOR 1: A NUCLEAR MAGNETIC RESONANCE AND RESTRAINED MOLECULAR DYNAMICS STUDY Deposited 1991-01-24	Parsed fields agree	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 49–118（70 aa）	Not recorded	No recorded non-water small molecule	SOLUTION NMR mmCIF provides none of the parsed conditions	Resolution not provided

9 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	IGF1A_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； 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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	2gf1
Deposition date deposition_date	1991-01-23
Structure title title	SOLUTION STRUCTURE OF HUMAN INSULIN-LIKE GROWTH FACTOR 1: A NUCLEAR MAGNETIC RESONANCE AND RESTRAINED MOLECULAR DYNAMICS STUDY
Keywords keywords	GROWTH FACTOR; GROWTH FACTOR
Experimental Method method	SOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier	11.99 Å
Radius of gyration Rg (electron density) rg_electron	10.88 Å
Forward intensity I(0) i0	1412340.00
Molecular weight molecular_weight	7656.0 kDa
Excluded volume excluded_volume	9412 Å³
Envelope volume envelope_volume	9810 Å³
Hydration-shell volume shell_volume	7951 Å³
Envelope diameter envelope_diameter	37.2 Å
Shell Rg shell_rg	16.14 Å
Envelope Rg envelope_rg	11.27 Å
Shape Rg shape_rg	10.87 Å
Total Rg total_rg	12.19 Å
Total atoms total_atoms	653
Residues n_residues	70
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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

Maximum dimension Dmax dmax	39.0 Å
Rg (real space) rg_real	11.93 Å
Rg uncertainty (real space) rg_real_error	0.25 Å
I(0) (real space) i0_real	1.4120e+06
I(0) uncertainty (real space) i0_real_error	1.4450e+04
Rg (reciprocal space) rg_reciprocal	11.94 Å
I(0) (reciprocal space) i0_reciprocal	1412000.0000
Solution quality estimate total_estimate	0.8963
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	1
Primary peak position r_peak_primary	38.5 Å
Skewness Skewness skewness	0.181
Kurtosis Kurtosis kurtosis	-0.398
Angular range angular_range	— – 0.5000 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	139500.0000
Real-space data points n_real_points	80
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.897; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.960

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (1)

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7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d2gf1a_
Class class	g — Small proteins
Fold Fold fold	g.1 — Insulin-like
Superfamily Superfamily superfamily	g.1.1 — Insulin-like
Family Family family	g.1.1.1 — Insulin-like

CATH v4.4 (1 domains)

Domain ID domain_id	2gf1A00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	100 — Insulin-like, subunit E
Homologous superfamily homologous superfamily	10 — Insulin-like

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8. Citations (1)

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	1

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Description description	INSULIN-LIKE GROWTH FACTOR I
Molecular weight formula_weight	7663.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	653

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI Class编号 ncbi_taxonomy_id	9606

SOLUTION STRUCTURE OF HUMAN INSULIN-LIKE GROWTH FACTOR 1: A NUCLEAR MAGNETIC RESONANCE AND RESTRAINED MOLECULAR DYNAMICS STUDY

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

INSULIN-LIKE GROWTH FACTOR I

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

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

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

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

6. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)

fit	/app/data/saxs_computation/gf/2gf1/2gf1.fit
pddf	/app/data/pr_computation/gf/2gf1/2gf1.pr.out
profile	/app/data/saxs_computation/gf/2gf1/2gf1.dat