1IGR

Type 1 Insulin-like growth factor receptor (DOMAINS 1-3)

• PDB DOI: https://doi.org/10.2210/pdb1IGR/pdb

• Classification: HORMONE RECEPTOR
• Organism(s): Homo sapiens
• Expression System: Cricetulus griseus
• Mutation(s): No 


• Deposited: 1998-09-28 Released: 1999-09-27 
• Deposition Author(s): Garrett, T.P.J., Mckern, N.M., Lou, M., Frenkel, M.J., Bentley, J.D., Lovrecz, G.O., Elleman, T.C., Cosgrove, L.J., Ward, C.W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.304 
• R-Value Work: 0.237 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 57.07 kDa 
• Atom Count: 3,900 
• Modelled Residue Count: 471 
• Deposited Residue Count: 478 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
INSULIN-LIKE GROWTH FACTOR RECEPTOR 1	A	478	Homo sapiens	Mutation(s): 0  EC: 2.7.10.1
UniProt & NIH Common Fund Data Resources
Find proteins for P08069 (Homo sapiens) Explore P08069  Go to UniProtKB:  P08069
PHAROS:  P08069 GTEx:  ENSG00000140443

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	B	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G21290RB GlyCosmos:  G21290RB GlyGen:  G21290RB

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	C	5		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42466VF GlyCosmos:  G42466VF GlyGen:  G42466VF

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	D [auth A], E [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
SO4	F [auth A], G [auth A], H [auth A], I [auth A], J [auth A], K [auth A], L [auth A], M [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.304 
• R-Value Work: 0.237 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.39	α = 90
b = 99.72	β = 90
c = 120.29	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PROTEIN	model building
MLPHARE	phasing
DM	model building
REFMAC	refinement
PROTEIN	phasing
DM	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1999-09-27 
Deposition Author(s): Garrett, T.P.J., Mckern, N.M., Lou, M., Frenkel, M.J., Bentley, J.D., Lovrecz, G.O., Elleman, T.C., Cosgrove, L.J., Ward, C.W.

Revision History  

• Version 1.0: 1999-09-27
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.3: 2018-04-04
  Changes: Data collection
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2023-12-27
  Changes: Data collection, Database references, Structure summary