Abstract:
:FGF21 is a member of a unique subfamily of fibroblast growth factors that function as endocrine hormones and regulate a variety of metabolic activities. Unlike paracrine FGFs, FGF21 does not bind heparin and requires βKlotho as a co-receptor to activate FGFR signaling. In the presence of βKlotho, FGF21 is able to activate FGFRs 1c, 2c and 3c but not FGFR4. Chimeric FGFR1c/FGFR4 receptors were constructed to identify domains that confer this specificity and to understand regions important for FGF21-induced receptor activation. With these chimeras, we showed that domain 3 of the FGFR1c extracellular domain plays a critical role in specificity determination and receptor activation by FGF21. Furthermore, we were able to narrow down the sequences important for this function to a six amino acid region within domain 3 of FGFR1c. It is interesting to note that this region falls into the βC'-βE loop, which has been shown to be important for receptor specificity determination in paracrine FGFs, suggesting a common principle in both endocrine and paracrine FGF receptor interaction and activation.
journal_name
J Mol Bioljournal_title
Journal of molecular biologyauthors
Gupte J,Yang L,Wu X,Weiszmann J,Hecht R,Lemon B,Lindberg R,Wang Z,Li Ydoi
10.1016/j.jmb.2011.03.003subject
Has Abstractpub_date
2011-05-06 00:00:00pages
491-502issue
3eissn
0022-2836issn
1089-8638pii
S0022-2836(11)00255-5journal_volume
408pub_type
杂志文章abstract::The chemistry of active-site cysteine residues is central to the activity of thiol-disulfide oxidoreductases of the thioredoxin superfamily. In these reactions, a nucleophilic thiolate is required, but the associated pK(a) values differ vastly in the superfamily, from less than 4 in DsbA to greater than 7 in Trx. The ...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1006/jmbi.2001.4767
更新日期:2001-07-06 00:00:00
abstract::The Bacillus subtilis chemoreceptor McpB is a dimer of identical subunits containing two transmembrane (TM) segments (TM1, residues 17-34: TM2, residues 280-302) in each monomer with a 2-fold axis of symmetry. To study the organization of the TM domains, the wild-type receptor was mutated systematically at the membran...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/s0022-2836(03)00834-9
更新日期:2003-08-22 00:00:00
abstract::We show that all minor coat proteins of phage f1 are integral inner membrane proteins prior to assembly. Hence all phage structural and morphogenetic proteins are localized in the membrane of the infected cell, consistent with models of phage assembly in which morphogenesis is coincident with phage extrusion. Our data...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1006/jmbi.1995.0393
更新日期:1995-07-21 00:00:00
abstract::3'-Uridylylation of RNA is emerging as a phylogenetically widespread phenomenon involved in processing events as diverse as uridine insertion/deletion RNA editing in mitochondria of trypanosomes and small nuclear RNA (snRNA) maturation in humans. This reaction is catalyzed by terminal uridylyltransferases (TUTases), w...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/j.jmb.2006.11.065
更新日期:2007-02-23 00:00:00
abstract::Atomic contact potentials are derived by statistical analysis of atomic surface contact areas versus atom type in a database of non-homologous protein structures. The atomic environment is characterized by the surface area accessible to solvent and the surface of contacts with polar and non-polar atoms. Four types of ...
journal_title:Journal of molecular biology
pub_type: 杂志文章,评审
doi:10.1006/jmbi.1995.0328
更新日期:1995-06-09 00:00:00
abstract::Consensus design is an appealing strategy for the stabilization of proteins. It exploits amino acid conservation in sets of homologous proteins to identify likely beneficial mutations. Nevertheless, its success depends on the phylogenetic diversity of the sequence set available. Here, we show that randomization of a s...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/j.jmb.2010.04.039
更新日期:2010-06-18 00:00:00
abstract::Apurinic/apyrimidinic endonuclease 1 (APE1) is the major mammalian enzyme in DNA base excision repair that cleaves the DNA phosphodiester backbone immediately 5' to abasic sites. Recently, we identified APE1 as an endoribonuclease that cleaves a specific coding region of c-myc mRNA in vitro, regulating c-myc mRNA leve...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/j.jmb.2011.06.050
更新日期:2011-09-02 00:00:00
abstract::Tafazzin is a mitochondrial enzyme that exchanges fatty acids between phospholipids by phospholipid-lysophospholipid transacylation. The reaction alters the molecular species composition and, as a result, the physical properties of lipids. In vivo, the most important substrate of tafazzin is the mitochondria-specific ...
journal_title:Journal of molecular biology
pub_type: 杂志文章,评审
doi:10.1016/j.jmb.2020.03.026
更新日期:2020-08-21 00:00:00
abstract::Phage Mu transposes promiscuously, employing protein MuB for target capture. MuB forms stable filaments on A/T-rich DNA, and a correlation between preferred MuB binding and Mu integration has been observed. We have investigated the relationship between MuB-binding and Mu insertion into hot and cold Mu targets within t...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/j.jmb.2008.05.032
更新日期:2008-07-18 00:00:00
abstract::The folding of multidomain proteins often proceeds in a hierarchical fashion with individual domains folding independent of one another. A large single-domain protein, however, can consist of multiple modules whose folding may be autonomous or interdependent in ways that are unclear. We used coarse-grained simulations...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/j.jmb.2008.07.007
更新日期:2008-10-03 00:00:00
abstract::Large rigid-body domain movements are critical to GroEL-mediated protein folding, especially apical domain elevation and twist associated with the formation of a folding chamber upon binding ATP and co-chaperonin GroES. Here, we have modeled the anisotropic displacements of GroEL domains from various crystallized stat...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/j.jmb.2004.07.015
更新日期:2004-09-03 00:00:00
abstract::We have used two structurally well-characterized serine proteinase variants, subtilisins Carlsberg and BPN', to produce (Cys)-S-/(His)-Im+H ion-pairs by chemical mutation in well defined, different, electrostatic microenvironments. These ion-pairs have been characterized by pH-dependent rapid reaction kinetics using, ...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1006/jmbi.1996.0225
更新日期:1996-04-19 00:00:00
abstract::Detailed atomic models of a eubacterial 5 S rRNA (spinach chloroplast 5 S rRNA) and of a eukaryotic 5 S rRNA (somatic and oocyte 5 S rRNA from Xenopus laevis) were built using computer graphic. Both models integrate stereochemical constraints and experimental data on the accessibility of bases and phosphates towards s...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/0022-2836(89)90264-7
更新日期:1989-05-20 00:00:00
abstract::Conformational fluctuation plays a key role in protein function, but we know little about the associated structural changes. Here we present a general method for elucidating, at the atomic level, a large-scale shape change of a protein molecule in solution undergoing conformational fluctuation. The method utilizes the...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/j.jmb.2005.01.052
更新日期:2005-03-25 00:00:00
abstract::The crystal structure of acetylcholinesterase from Torpedo californica complexed with the uncharged inhibitor, PEG-SH-350 (containing mainly heptameric polyethylene glycol with a terminal thiol group) is determined at 2.3 A resolution. This is an untypical acetylcholinesterase inhibitor, since it lacks the cationic mo...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/s0022-2836(02)00475-8
更新日期:2002-07-19 00:00:00
abstract::Bovine enterovirus (BEV) strain VG-5-27 derived from an infectious cDNA clone has been crystallized as extended hexagonal plates. Virus recovered from crystals produced cytopathic effect in BHK cells. These crystals diffract X-rays from high energy synchrotron sources to beyond 2.7 A. The crystal system is monoclinic,...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1006/jmbi.1993.1339
更新日期:1993-06-05 00:00:00
abstract::Riboswitches are complex folded RNA domains found in noncoding regions of mRNA that regulate gene expression upon small molecule binding. Recently, Breaker and coworkers reported a tandem aptamer riboswitch (VCI-II) that binds glycine cooperatively. Here, we use hydroxyl radical footprinting and small-angle X-ray scat...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/j.jmb.2006.10.022
更新日期:2007-02-02 00:00:00
abstract::Muscular dystrophy with myositis (mdm) is a recessive mouse mutation that is caused by a small deletion in the giant elastic muscle protein titin. Homozygous mdm/mdm mice develop a progressive muscular dystrophy, leading to death at approximately 2 months of age. We surveyed the transcriptomes of skeletal muscles from...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/j.jmb.2003.12.021
更新日期:2004-02-06 00:00:00
abstract::Kinesin superfamily molecular motors step along microtubules (MTs) via a cycle of conformational changes which is coupled to ATP turnover. To probe the coupling mechanism, we titrated the effects of various nucleotides on MT binding by two superfamily members; MT plus-end-directed kinesin and MT minus-end-directed non...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1006/jmbi.1996.0147
更新日期:1996-03-22 00:00:00
abstract::Sir2 is a protein deacetylase that mediates transcriptional silencing at the HM loci, telomeres, and rDNA repeats in yeast. To identify functionally significant regions of the Sir2 protein, we have characterized two types of mutations. First, we used random mutagenesis to create temperature-sensitive alleles of the SI...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/j.jmb.2007.01.044
更新日期:2007-04-13 00:00:00
abstract::A duck delta II crystallin mutant, where histidine 178 has been replaced by an aspartic acid residue, has been purified from a bacterial expression system and subsequently crystallized. The crystals grow as flat plates, with unit cell dimensions a = 94.1 A, b = 99.9 A, c = 108.7 A and beta = 102 degrees. The crystals ...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1006/jmbi.1994.1694
更新日期:1994-11-11 00:00:00
abstract::We find that tRNA gene transcription is controlled by a region much larger than the previously described internal segments known as A and B boxes. In a Bombyx mori silkworm tRNA2Ala gene, transcriptionally important sequences extend at least from -13 to +146, and thus include sequences both upstream and downstream fro...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/0022-2836(85)90209-8
更新日期:1985-05-25 00:00:00
abstract::ETV6 (or TEL), a transcriptional repressor belonging to the ETS family, is frequently involved in chromosomal translocations linked with human cancers. It displays a DNA-binding mode distinct from other ETS proteins due to the presence of a self-associating PNT domain. In this study, we used NMR spectroscopy to dissec...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/j.jmb.2012.05.010
更新日期:2012-08-03 00:00:00
abstract::Natural killer (NK) cells play a crucial role in the detection and destruction of virally infected and tumor cells during innate immune responses. The cytolytic activity of NK cells is regulated through a balance of inhibitory and stimulatory signals delivered by NK receptors that recognize classical major histocompat...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/s0022-2836(02)00498-9
更新日期:2002-07-12 00:00:00
abstract::Sleeping Beauty (SB) is the most active Tc1/mariner-type transposable element in vertebrates, and is therefore a valuable vector for transposon mutagenesis in vertebrate models and for human gene therapy. We have analyzed factors affecting target site selection of SB in mammalian cells, by generating transposition eve...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/s0022-2836(02)00991-9
更新日期:2002-10-25 00:00:00
abstract::Phosphorylation of membrane proteins is a central regulatory and signaling mechanism across cell compartments. However, the recognition process and phosphorylation mechanism of membrane-bound substrates by kinases are virtually unknown. cAMP-dependent protein kinase A (PKA) is a ubiquitous enzyme that phosphorylates s...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/j.jmb.2011.06.041
更新日期:2011-09-16 00:00:00
abstract::We have derived a secondary structure model for the c-myc internal ribosome entry segment (IRES) by using information from chemical probing of the c-myc IRES RNA to constrain structure prediction programs. Our data suggest that the IRES is modular in nature, and can be divided into two structural domains linked by a l...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1006/jmbi.2001.4745
更新日期:2001-06-29 00:00:00
abstract::Protein phosphorylation at serine, threonine or tyrosine residues affects a multitude of cellular signaling processes. How is specificity in substrate recognition and phosphorylation by protein kinases achieved? Here, we present an artificial neural network method that predicts phosphorylation sites in independent seq...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1006/jmbi.1999.3310
更新日期:1999-12-17 00:00:00
abstract::The temperature, pH, and salt dependence of the folding of recombinant Sac7d from the hyperthermophile Sulfolobus acidocaldarius is mapped using multi-dimensional differential scanning calorimetry (DSC) and folding progress surfaces followed by circular dichroism. Linkage relations are derived to explain the observed ...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1006/jmbi.1998.1500
更新日期:1998-02-13 00:00:00
abstract::Aquifex aeolicus 3-deoxy-D-manno-octulosonate 8-phosphate synthase (KDO8PS) catalyzes the condensation of arabinose 5-phosphate (A5P) and phosphoenolpyruvate (PEP) by favoring the activation of a water molecule coordinated to the active-site metal ion. Cys11, His185, Glu222 and Asp233 are the other metal ligands. Wild...
journal_title:Journal of molecular biology
pub_type: 杂志文章
doi:10.1016/s0022-2836(02)01096-3
更新日期:2002-11-22 00:00:00