1QQG

CRYSTAL STRUCTURE OF THE PH-PTB TARGETING REGION OF IRS-1

Domain Annotation: SCOP Classification SCOP Database (version: 2.0) Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species
A	d1qqga1	All beta proteins	PH domain-like barrel	PH domain-like	Phosphotyrosine-binding domain (PTB)	Insulin receptor substrate 1, IRS-1	human (Homo sapiens ) [TaxId: 9606 ]
A	d1qqga2	All beta proteins	PH domain-like barrel	PH domain-like	Phosphotyrosine-binding domain (PTB)	Insulin receptor substrate 1, IRS-1	human (Homo sapiens ) [TaxId: 9606 ]
B	d1qqgb1	All beta proteins	PH domain-like barrel	PH domain-like	Phosphotyrosine-binding domain (PTB)	Insulin receptor substrate 1, IRS-1	human (Homo sapiens ) [TaxId: 9606 ]
B	d1qqgb2	All beta proteins	PH domain-like barrel	PH domain-like	Phosphotyrosine-binding domain (PTB)	Insulin receptor substrate 1, IRS-1	human (Homo sapiens ) [TaxId: 9606 ]

Domain Annotation: CATH CATH Database (version 4.2.0) Homepage

Chain	Domain	Class	Architecture	Topology	Homology
A	2.30.29.30	Mainly Beta	Roll	PH-domain like	Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)
A	2.30.29.30	Mainly Beta	Roll	PH-domain like	Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)
B	2.30.29.30	Mainly Beta	Roll	PH-domain like	Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)
B	2.30.29.30	Mainly Beta	Roll	PH-domain like	Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Identifier	Description	Comments	Source
A, B	PF02174	PTB domain (IRS-1 type) (IRS)	PTB domain (IRS-1 type)	-	Domain
A, B	PF00169	PH domain (PH)	PH domain	PH stands for pleckstrin homology.	Domain

Gene Product Annotation Gene Product Annotation

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	INSULIN RECEPTOR SUBSTRATE 1	signaling receptor binding insulin receptor binding binding protein binding protein-containing complex binding insulin-like growth factor receptor binding phosphatidylinositol 3-kinase binding protein kinase C binding enzyme binding kinase binding protein kinase binding protein domain specific binding SH2 domain binding signaling receptor complex adaptor activity protein-macromolecule adaptor activity signaling adaptor activity molecular adaptor activity transmembrane receptor protein tyrosine kinase adaptor activity receptor tyrosine kinase binding protein tyrosine kinase binding	cellular process response to organic substance response to lipid response to chemical response to stimulus cellular response to stimulus response to fatty acid cellular response to chemical stimulus cellular response to organic substance cellular response to lipid cellular response to fatty acid response to oxygen-containing compound cellular response to oxygen-containing compound response to endogenous stimulus response to hormone response to organonitrogen compound response to insulin cellular response to insulin stimulus cellular response to hormone stimulus response to peptide hormone cellular response to peptide hormone stimulus cellular response to organonitrogen compound cellular response to endogenous stimulus response to peptide cellular response to peptide response to nitrogen compound cellular response to nitrogen compound carbohydrate homeostasis homeostatic process glucose homeostasis chemical homeostasis biological regulation regulation of biological quality cell population proliferation positive regulation of cell population proliferation regulation of cell population proliferation positive regulation of biological process positive regulation of cellular process regulation of biological process regulation of cellular process	plasma membrane caveola membrane plasma membrane raft membrane raft cell periphery plasma membrane region membrane microdomain cellular anatomical entity intracellular anatomical structure cytoplasm cytosol integral component of plasma membrane insulin receptor complex integral component of membrane intrinsic component of membrane intrinsic component of plasma membrane protein-containing complex receptor complex transferase complex, transferring phosphorus-containing groups membrane protein complex plasma membrane protein complex plasma membrane signaling receptor complex catalytic complex protein kinase complex transferase complex organelle membrane-bounded organelle intracellular organelle intracellular membrane-bounded organelle nucleus nucleoplasm membrane-enclosed lumen nuclear lumen organelle lumen intracellular organelle lumen

RCSB PDB is funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.