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- EMDB-24791: Head region of a complex of IGF-I with the ectodomain of a hybrid... -
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Basic information
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Title | Head region of a complex of IGF-I with the ectodomain of a hybrid insulin receptor / type 1 insulin-like growth factor receptor | |||||||||
![]() | Head region of a complex of IGF-I with the ectodomain of a hybrid insulin receptor / type 1 insulin-like growth factor receptor | |||||||||
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Function / homology | ![]() glycolate metabolic process / muscle hypertrophy / negative regulation of oocyte development / positive regulation of trophectodermal cell proliferation / insulin-like growth factor binding protein complex / insulin-like growth factor ternary complex / cardiac atrium development / proteoglycan biosynthetic process / negative regulation of cholangiocyte apoptotic process / positive regulation of glycoprotein biosynthetic process ...glycolate metabolic process / muscle hypertrophy / negative regulation of oocyte development / positive regulation of trophectodermal cell proliferation / insulin-like growth factor binding protein complex / insulin-like growth factor ternary complex / cardiac atrium development / proteoglycan biosynthetic process / negative regulation of cholangiocyte apoptotic process / positive regulation of glycoprotein biosynthetic process / myotube cell development / skeletal muscle satellite cell maintenance involved in skeletal muscle regeneration / insulin-like growth factor receptor activity / positive regulation of steroid hormone biosynthetic process / negative regulation of neuroinflammatory response / protein kinase complex / bone mineralization involved in bone maturation / Signaling by Type 1 Insulin-like Growth Factor 1 Receptor (IGF1R) / positive regulation of cell growth involved in cardiac muscle cell development / negative regulation of vascular associated smooth muscle cell apoptotic process / protein transporter activity / IRS-related events triggered by IGF1R / insulin-like growth factor binding / exocytic vesicle / regulation of female gonad development / negative regulation of muscle cell apoptotic process / cellular response to progesterone stimulus / positive regulation of meiotic cell cycle / positive regulation of DNA metabolic process / cellular response to zinc ion starvation / cellular response to aldosterone / positive regulation of developmental growth / cell activation / positive regulation of calcineurin-NFAT signaling cascade / insulin-like growth factor II binding / male sex determination / exocrine pancreas development / insulin receptor complex / cellular response to testosterone stimulus / negative regulation of hepatocyte apoptotic process / positive regulation of transcription regulatory region DNA binding / insulin-like growth factor I binding / insulin receptor activity / transcytosis / alphav-beta3 integrin-IGF-1-IGF1R complex / response to alkaloid / positive regulation of Ras protein signal transduction / cellular response to angiotensin / positive regulation of protein-containing complex disassembly / myoblast differentiation / positive regulation of insulin-like growth factor receptor signaling pathway / cargo receptor activity / myoblast proliferation / muscle organ development / negative regulation of interleukin-1 beta production / dendritic spine maintenance / cellular response to insulin-like growth factor stimulus / response to L-glutamate / insulin binding / PTB domain binding / negative regulation of MAPK cascade / adrenal gland development / establishment of cell polarity / neuronal cell body membrane / Signaling by Insulin receptor / IRS activation / activation of protein kinase activity / positive regulation of cardiac muscle hypertrophy / positive regulation of activated T cell proliferation / positive regulation of smooth muscle cell migration / positive regulation of axon regeneration / amyloid-beta clearance / negative regulation of release of cytochrome c from mitochondria / positive regulation of osteoblast proliferation / positive regulation of respiratory burst / positive regulation of cytokinesis / negative regulation of amyloid-beta formation / negative regulation of smooth muscle cell apoptotic process / Respiratory syncytial virus (RSV) attachment and entry / positive regulation of receptor internalization / regulation of embryonic development / regulation of JNK cascade / negative regulation of tumor necrosis factor production / transport across blood-brain barrier / insulin receptor substrate binding / estrous cycle / positive regulation of glycogen biosynthetic process / G-protein alpha-subunit binding / Synthesis, secretion, and deacylation of Ghrelin / response to vitamin E / epidermis development / epithelial to mesenchymal transition / positive regulation of DNA binding / SHC-related events triggered by IGF1R / Signal attenuation / positive regulation of osteoblast differentiation / phosphatidylinositol 3-kinase binding / heart morphogenesis / peptidyl-tyrosine autophosphorylation / positive regulation of tyrosine phosphorylation of STAT protein Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.7 Å | |||||||||
![]() | Xu Y / Lawrence MC | |||||||||
Funding support | ![]()
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![]() | ![]() Title: How insulin-like growth factor I binds to a hybrid insulin receptor type 1 insulin-like growth factor receptor. Authors: Yibin Xu / Mai B Margetts / Hari Venugopal / John G Menting / Nicholas S Kirk / Tristan I Croll / Carlie Delaine / Briony E Forbes / Michael C Lawrence / ![]() ![]() Abstract: Monomers of the insulin receptor and type 1 insulin-like growth factor receptor (IGF-1R) can combine stochastically to form heterodimeric hybrid receptors. These hybrid receptors display ligand ...Monomers of the insulin receptor and type 1 insulin-like growth factor receptor (IGF-1R) can combine stochastically to form heterodimeric hybrid receptors. These hybrid receptors display ligand binding and signaling properties that differ from those of the homodimeric receptors. Here, we describe the cryoelectron microscopy structure of such a hybrid receptor in complex with insulin-like growth factor I (IGF-I). The structure (ca. 3.7 Å resolution) displays a single IGF-I ligand, bound in a similar fashion to that seen for IGFs in complex with IGF-1R. The IGF-I ligand engages the first leucine-rich-repeat domain and cysteine-rich region of the IGF-1R monomer (rather than those of the insulin receptor monomer), consistent with the determinants for IGF binding residing in the IGF-1R cysteine-rich region. The structure broadens our understanding of this receptor family and assists in delineating the key structural motifs involved in binding their respective ligands. | |||||||||
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Structure visualization
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Downloads & links
-EMDB archive
Map data | ![]() | 122.5 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 16.2 KB 16.2 KB | Display Display | ![]() |
Images | ![]() | 85.8 KB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 420.9 KB | Display | ![]() |
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Full document | ![]() | 420.4 KB | Display | |
Data in XML | ![]() | 6.9 KB | Display | |
Data in CIF | ![]() | 7.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 7s0qMC ![]() 7s8vC M: atomic model generated by this map C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
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Annotation | Head region of a complex of IGF-I with the ectodomain of a hybrid insulin receptor / type 1 insulin-like growth factor receptor | ||||||||||||||||||||
Voxel size | X=Y=Z: 1.06 Å | ||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
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Sample components
-Entire : a complex of IGF-I with the ectodomain of a hybrid insulin recept...
Entire | Name: a complex of IGF-I with the ectodomain of a hybrid insulin receptor / type 1 insulin-like growth factor receptor |
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Components |
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-Supramolecule #1: a complex of IGF-I with the ectodomain of a hybrid insulin recept...
Supramolecule | Name: a complex of IGF-I with the ectodomain of a hybrid insulin receptor / type 1 insulin-like growth factor receptor type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#3 |
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Source (natural) | Organism: ![]() |
Molecular weight | Experimental: 250 kDa/nm |
-Macromolecule #1: Insulin-like growth factor 1 receptor
Macromolecule | Name: Insulin-like growth factor 1 receptor / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO / EC number: receptor protein-tyrosine kinase |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 108.937242 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: EICGPGIDIR NDYQQLKRLE NCTVIEGYLH ILLISKAEDY RSYRFPKLTV ITEYLLLFRV AGLESLGDLF PNLTVIRGWK LFYNYALVI FEMTNLKDIG LYNLRNITRG AIRIEKNADL CYLSTVDWSL ILDAVSNNYI VGNKPPKECG DLCPGTMEEK P MCEKTTIN ...String: EICGPGIDIR NDYQQLKRLE NCTVIEGYLH ILLISKAEDY RSYRFPKLTV ITEYLLLFRV AGLESLGDLF PNLTVIRGWK LFYNYALVI FEMTNLKDIG LYNLRNITRG AIRIEKNADL CYLSTVDWSL ILDAVSNNYI VGNKPPKECG DLCPGTMEEK P MCEKTTIN NEYNYRCWTT NRCQKMCPST CGKRACTENN ECCHPECLGS CSAPDNDTAC VACRHYYYAG VCVPACPPNT YR FEGWRCV DRDFCANILS AESSDSEGFV IHDGECMQEC PSGFIRNGSQ SMYCIPCEGP CPKVCEEEKK TKTIDSVTSA QML QGCTIF KGNLLINIRR GNNIASELEN FMGLIEVVTG YVKIRHSHAL VSLSFLKNLR LILGEEQLEG NYSFYVLDNQ NLQQ LWDWD HRNLTIKAGK MYFAFNPKLC VSEIYRMEEV TGTKGRQSKG DINTRNNGER ASCESDVLHF TSTTTSKNRI IITWH RYRP PDYRDLISFT VYYKEAPFKN VTEYDGQDAC GSNSWNMVDV DLPPNKDVEP GILLHGLKPW TQYAVYVKAV TLTMVE NDH IRGAKSEILY IRTNASVPSI PLDVLSASNS SSQLIVKWNP PSLPNGNLSY YIVRWQRQPQ DGYLYRHNYC SKDKIPI RK YADGTIDIEE VTENPKTEVC GGEKGPCCAC PKTEAEKQAE KEEAEYRKVF ENFLHNSIFV PRPERKRRDV MQVANTTM S SRSRNTTAAD TYNITDPEEL ETEYPFFESR VDNKERTVIS NLRPFTLYRI DIHSCNHEAE KLGCSASNFV FARTMPAEG ADDIPGPVTW EPRPENSIFL KWPEPENPNG LILMYEIKYG SQVEDQRECV SRQEYRKYGG AKLNRLNPGN YTARIQATSL SGNGSWTDP VFFYVQAKTG YENFIHRMKQ LEDKVEELLS KNYHLENEVA RLKKLVGERS SSEQKLISEE DLN |
-Macromolecule #2: Insulin receptor
Macromolecule | Name: Insulin receptor / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO / EC number: receptor protein-tyrosine kinase |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 109.809617 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: HLYPGEVCPG MDIRNNLTRL HELENCSVIE GHLQILLMFK TRPEDFRDLS FPKLIMITDY LLLFRVYGLE SLKDLFPNLT VIRGSRLFF NYALVIFEMV HLKELGLYNL MNITRGSVRI EKNNELCYLA TIDWSRILDS VEDNYIVLNK DDNEECGDIC P GTAKGKTN ...String: HLYPGEVCPG MDIRNNLTRL HELENCSVIE GHLQILLMFK TRPEDFRDLS FPKLIMITDY LLLFRVYGLE SLKDLFPNLT VIRGSRLFF NYALVIFEMV HLKELGLYNL MNITRGSVRI EKNNELCYLA TIDWSRILDS VEDNYIVLNK DDNEECGDIC P GTAKGKTN CPATVINGQF VERCWTHSHC QKVCPTICKS HGCTAEGLCC HSECLGNCSQ PDDPTKCVAC RNFYLDGRCV ET CPPPYYH FQDWRCVNFS FCQDLHHKCK NSRRQGCHQY VIHNNKCIPE CPSGYTMNSS NLLCTPCLGP CPKVCHLLEG EKT IDSVTS AQELRGCTVI NGSLIINIRG GNNLAAELEA NLGLIEEISG YLKIRRSYAL VSLSFFRKLR LIRGETLEIG NYSF YALDN QNLRQLWDWS KHNLTITQGK LFFHYNPKLC LSEIHKMEEV SGTKGRQERN DIALKTNGDQ ASCENELLKF SYIRT SFDK ILLRWEPYWP PDFRDLLGFM LFYKEAPYQN VTEFDGQDAC GSNSWTVVDI DPPLRSNDPK SQNHPGWLMR GLKPWT QYA IFVKTLVTFS DERRTYGAKS DIIYVQTDAT NPSVPLDPIS VSNSSSQIIL KWKPPSDPNG NITHYLVFWE RQAEDSE LF ELDYCLKGLK LPSRTWSPPF ESEDSQKHNQ SEYEDSAGEC CSCPKTDSQI LKELEESSFR KTFEDYLHNV VFVPRKTS S GTGAEDPRPS RKRRSLGDVG NVTVAVPTVA AFPNTSSTSV PTSPEEHRPF EKVVNKESLV ISGLRHFTGY RIELQACNQ DTPEERCSVA AYVSARTMPE AKADDIVGPV THEIFENNVV HLMWQEPKEP NGLIVLYEVS YRRYGDEELH LCVSRKHFAL ERGCRLRGL SPGNYSVRIR ATSLAGNGSW TEPTYFYVTD YLDVPSNIAR MKQLEDKVEE LLSKNYHLEN EVARLKKLVG E R |
-Macromolecule #3: Insulin-like growth factor I
Macromolecule | Name: Insulin-like growth factor I / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 7.663752 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: GPETLCGAEL VDALQFVCGD RGFYFNKPTG YGSSSRRAPQ TGIVDECCFR SCDLRRLEMY CAPLKPAKSA |
-Macromolecule #6: beta-D-mannopyranose
Macromolecule | Name: beta-D-mannopyranose / type: ligand / ID: 6 / Number of copies: 1 / Formula: BMA |
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Molecular weight | Theoretical: 180.156 Da |
Chemical component information | ![]() ChemComp-BMA: |
-Macromolecule #7: 2-acetamido-2-deoxy-beta-D-glucopyranose
Macromolecule | Name: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 7 / Number of copies: 7 / Formula: NAG |
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Molecular weight | Theoretical: 221.208 Da |
Chemical component information | ![]() ChemComp-NAG: |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Buffer | pH: 8 / Component - Concentration: 20.0 mM / Component - Formula: C4H11NO3 / Component - Name: TRIS / Details: 20mM Tris pH 8.0 160mM NaCl |
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Grid | Material: COPPER / Pretreatment - Type: GLOW DISCHARGE |
Vitrification | Cryogen name: ETHANE / Instrument: FEI VITROBOT MARK IV |
Details | 0.2mg/ml |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: COUNTING / Average electron dose: 1.44 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: OTHER / Imaging mode: BRIGHT FIELD |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
-Atomic model buiding 1
Refinement | Space: REAL / Protocol: RIGID BODY FIT |
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Output model | ![]() PDB-7s0q: |