1fyh Summary

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1:1 COMPLEX BETWEEN AN INTERFERON GAMMA SINGLE-CHAIN VARIANT AND ITS RECEPTOR

The structure was published by Randal, M. and Kossiakoff, A.A., in 2001 in a paper entitled "The structure and activity of a monomeric interferon-gamma:alpha-chain receptor signaling complex." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.04 Å and deposited in 2000.

The experimental data on which the structure is based was not deposited.

This PDB entry contains a complex of 2 biomacromolecules, namely INTERFERON-GAMMA and INTERFERON-GAMMA RECEPTOR ALPHA CHAIN.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule has more than one probable quaternary state observed. For more details see the quaternary structure page.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):


Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
A INTERFERON-GAMMA P01579 (28-156) (IFNG_HUMAN)search Homo sapienssearch 90% 258 93%
D INTERFERON-GAMMA P01579 (28-156) (IFNG_HUMAN)search Homo sapienssearch 90% 258 93%
B INTERFERON-GAMMA RECEPTOR ALPHA CHAIN P15260 (18-246) (INGR1_HUMAN)search Homo sapienssearch < 90% 229 87%
E INTERFERON-GAMMA RECEPTOR ALPHA CHAIN P15260 (18-246) (INGR1_HUMAN)search Homo sapienssearch < 90% 229 87%


This entry contains 2 unique UniProt proteins:

UniProt accession Name Organism PDB
P01579 (28 - 156) INTERFERON-GAMMA Homo sapiens
P15260 (18 - 246) INTERFERON-GAMMA RECEPTOR ALPHA CHAIN Homo sapiens

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
A, D (P01579) Interferons/interleukin-10 (IL-10)search Growth Hormone; Chain: A;search PF00714: Interferon gammasearch
B, E Fibronectin type IIIsearch Immunoglobulinssearch Tissue factorsearch, Interferon gamma receptor (IFNGR1)search

Chain ID Molecular function (GO) Biological process (GO) Cellular component (GO)
A, D (P01579) interferon-gamma receptor bindingsearch cytokine activitysearch immune responsesearch regulation of growthsearch neutrophil chemotaxissearch positive regulation of transcription, DNA-templatedsearch positive regulation of interleukin-12 productionsearch regulation of neuronal action potentialsearch positive regulation of peptidyl-serine phosphorylation of STAT proteinsearch positive regulation of MHC class II biosynthetic processsearch positive regulation of chemokine biosynthetic processsearch apoptotic processsearch regulation of the force of heart contractionsearch negative regulation of epithelial cell differentiationsearch positive regulation of tyrosine phosphorylation of Stat1 proteinsearch interferon-gamma-mediated signaling pathwaysearch defense response to bacteriumsearch response to virussearch cellular response to interleukin-18search positive regulation of smooth muscle cell apoptotic processsearch positive regulation of nitric oxide biosynthetic processsearch humoral immune responsesearch defense response to virussearch positive regulation of fructose 1,6-bisphosphate 1-phosphatase activitysearch negative regulation of transcription from RNA polymerase II promotersearch positive regulation of fructose 1,6-bisphosphate metabolic processsearch negative regulation of smooth muscle cell proliferationsearch cellular component movementsearch negative regulation of mesenchymal to epithelial transition involved in metanephros morphogenesissearch regulation of interferon-gamma-mediated signaling pathwaysearch adaptive immune responsesearch negative regulation of cell proliferationsearch negative regulation of growth of symbiont in hostsearch positive regulation of interleukin-23 productionsearch negative regulation of growth of symbiont involved in interaction with hostsearch cellular response to lipopolysaccharidesearch regulation of immune responsesearch positive regulation of tumor necrosis factor (ligand) superfamily member 11 productionsearch negative regulation of interleukin-17 productionsearch positive regulation of interleukin-12 biosynthetic processsearch positive regulation of interleukin-6 biosynthetic processsearch neutrophil apoptotic processsearch response to drugsearch positive regulation of synaptic transmission, cholinergicsearch positive regulation of isotype switching to IgG isotypessearch positive regulation of transcription from RNA polymerase II promotersearch negative regulation of myelinationsearch sensory perception of mechanical stimulussearch regulation of insulin secretionsearch positive regulation of neuron differentiationsearch positive regulation of membrane protein ectodomain proteolysissearch cytokine-mediated signaling pathwaysearch positive regulation of interleukin-1 beta secretionsearch positive regulation of mesenchymal cell proliferationsearch positive regulation of cell adhesionsearch negative regulation of metanephric nephron tubule epithelial cell differentiationsearch cell cycle arrestsearch defense response to protozoansearch inflammatory cell apoptotic processsearch extrinsic apoptotic signaling pathwaysearch positive regulation of T cell proliferationsearch antigen processing and presentationsearch positive regulation of calcidiol 1-monooxygenase activitysearch positive regulation of osteoclast differentiationsearch cell surface receptor signaling pathwaysearch regulation of hepatocyte proliferationsearch positive regulation of cell proliferationsearch positive regulation of vitamin D biosynthetic processsearch regulation of transcription, DNA-templatedsearch CD8-positive, alpha-beta T cell differentiation involved in immune responsesearch positive regulation of killing of cells of other organismsearch endoplasmic reticulum unfolded protein responsesearch protein import into nucleus, translocationsearch positive regulation of tumor necrosis factor productionsearch extracellular regionsearch extracellular spacesearch external side of plasma membranesearch
B, E (P15260) cytokine bindingsearch membranesearch

Chain InterPro annotation
A, D Interferon gammasearch Four-helical cytokine-like, coresearch Four-helical cytokine, coresearch
B, E Fibronectin type IIIsearch Interferon gamma receptor alpha subunitsearch Immunoglobulin-like foldsearch Interferon gamma receptor, poxvirus/mammalsearch