1IRK image
Deposition Date 1995-01-02
Release Date 1995-02-27
Last Version Date 2024-02-07
Entry Detail
PDB ID:
1IRK
Title:
CRYSTAL STRUCTURE OF THE TYROSINE KINASE DOMAIN OF THE HUMAN INSULIN RECEPTOR
Biological Source:
Source Organism:
Homo sapiens (Taxon ID: 9606)
Method Details:
Experimental Method:
Resolution:
2.10 Å
R-Value Free:
0.23
R-Value Work:
0.19
R-Value Observed:
0.19
Space Group:
P 21 21 21
Macromolecular Entities
Polymer Type:polypeptide(L)
Molecule:INSULIN RECEPTOR TYROSINE KINASE DOMAIN
Gene (Uniprot):INSR
Chain IDs:A
Chain Length:306
Number of Molecules:1
Biological Source:Homo sapiens
Ligand Molecules
Primary Citation
Crystal structure of the tyrosine kinase domain of the human insulin receptor.
Nature 372 746 754 (1994)
PMID: 7997262 DOI: 10.1038/372746a0

Abstact

The X-ray crystal structure of the tyrosine kinase domain of the human insulin receptor has been determined by multiwavelength anomalous diffraction phasing and refined to 2.1 A resolution. The structure reveals the determinants of substrate preference for tyrosine rather than serine or threonine and a novel autoinhibition mechanism whereby one of the tyrosines that is autophosphorylated in response to insulin, Tyr 1,162, is bound in the active site.

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Primary Citation of related structures