... C-terminus may facilitate interactions with other intracellular proteins rather than executing a catalytic reaction mSULT2B1b interactswith cytoskeletal proteins through its proline ⁄ serine-rich ... serine-rich C-terminal tail of mSULT2B1b may interact with other intracellular proteins, and set out to identify the proteins that it may react with The extended C-terminus is not involved in catalytic ... et al Interaction of SULT2B1b with cytoskeletal proteins using MALDI-TOF MS The results shown in Table revealed that, of the five proteins, three were cytoskeletal proteins (actin, a-actinin, and...
... functional link between several proteins involved in prerRNA processing The exosome subunit Rrp43p interactswith Rrp46p, Nip7p and Nop17p [10,13,28] Nop17p interactswith Nop58p and Nop53p [28] ... with the snoRNPs and to participate in cleavage reactions as well as methylation and pseudouridylation of specific nucleotides of rRNA [24–28] Among these proteins is Nop17p, which interactswith ... associated with the core proteins Cbf5p, Gar1p, Nhp2p and Nop10p and function in the conversion of uridine into pseudouridine [17–23] In addition to the core snoRNP proteins, other proteins have...
... CD91 interactswith MBL at or near the MASP-binding site (A) Using SPR, nM of MBL was injected over a sensor chip on which CD91 was immobilized (16 000 RU), with or without preincubation with ... immobilized (14 600 RU) RU, resonance units CD91 interactswith MBL at or near the MASP binding site It has previously been shown that calreticulin interactswith MBL at the MASP-binding site [28] FEBS ... the binding sites on C1q for CD91 were shared with calreticulin [19] Here, it is shown that CD91 interacts directly with MBL and, to a lesser extent, with L-ficolin and therefore has the potential...
... high identity with its homologues (100% with Canis familiaris, 97% with Mus musculus, 87% with Xenopus tropicalis, 87% with Danio rerio, 68% with Drosophila melanogaster and 33% with Schizosaccharomyces ... interacted with Rev-erbb The zinc finger HIT domain is a motif found in many proteins, and plays an important role in gene regulation and chromatin remodelling [25] So far, five human proteins containing ... transfected with plasmids pEGFP-Rev-erbb and pDsRed-ZNHIT-1, or cotransfected with both plasmids After 36 h of transfection, the cells were fixed with 4% formaldehyde and stained with lgÆmL)1...
... buffer with EDTA added to test whether Ca2+ was a limiting factor, and in TN buffer (25 mm Tris, 0.15 m NaCl, pH 7.5) with Ca2+ added Control experiments with non-coated wells and wells coated with ... Interaction of calreticulin with MBL bound to immobilized mannan Wells were coated as indicated with rMBL and pMBL (1 lgÆmL)1), or with mannan (1 mgÆmL)1) followed by incubation with rMBL and pMBL Subsequently, ... not bind MBL point mutants with defective MASP interaction Steinø et al [53] showed that calreticulin interacts strongly with immobilized C1q, whereas pMBL (associated with the MASPs) only exhibits...
... away from L23 and L29 and interactswith TF Furthermore, the combined data obtained with nascent TorA/P2 and SufI constructs strongly suggest that interaction of TF with the signal peptide early ... material was immunoprecipitated with TF antiserum as indicated An 170 kDa complex that could be precipitated with anti-HA, but not with anti-TF serum is indicated with an asterisk Samples were ... the crosslinked partners are peripheral membrane proteins and not one of the known Tat proteins [25] The adducts could not be immunoprecipitated with various antisera tested and remain to be identified...
... analysis was performed with Kodak DIGITAL SCIENCE 1D software (Eastman Kodak) PKR interactswith ASK1 (Eur J Biochem 269) 6127 washed four times with PKR buffer I and then once with PKR buffer III ... RESULTS PKR interactswith ASK1 Indirect immunofluorescence The day after transfection, cells were fixed with 4% paraformaldehyde containing 0.2% Triton X-100 in NaCl/Pi for 30 and washed with NaCl/Pi ... Takizawa et al (Eur J Biochem 269) Ó FEBS 2002 Fig PKR interactswith ASK1 (A) Cytoplasmic localization of ASK1 with PKR COS-1 cells were transfected with pcDNA-PKRKR (a), pcDNA-ASK1-HA (b), or both...
... The NBR1 protein is highly conserved, with 87% sequence similarity with the murine homologue The murine Nbr1 gene lies head to head with the Brca1 gene, with the intragenic region of 289 bp suggesting ... D19 developer, ®xed with Kodak UNIFIX and counter stained with malachite green Sections were photographed under dark ®eld with an Olympus BH-2 microscope and photographed with an Olympus camera ... microscope (Zeiss) RESULTS NBR1 interactswith the PKC zeta interacting protein FEZ1 and the calcium and integrin binding protein CIB In order to identify proteins that interact with NBR1, a yeast two-hybrid...
... NF-jB apparently overlapped with that of Nucling (Fig 5B,F) or NuclingDC (Fig 5C,G), but not with that of NuclingDN (Fig 5D,H), suggesting that Nucling interactswith NF-jB through its N-terminal ... detect IjBa in the lanes for bands a–c (Fig 4B) Thus, we concluded that Nucling interactswith NF-jB-p50 and possibly with NF-jB-p65 in primary cells To assess the potential of endogenous Nucling ... Taken together with the results of the reporter assays in this study, we concluded that Nucling is important for the regulation of the NF-jB signaling pathway Nucling interactswith NF-jB Considering...
... for these two proteins To date, several Evi1-binding proteins have been identified using a candidate protein approach It Evi1 binding proteins remains possible that Evi1 interactswith as yet unknown ... A1 with Rp is specific because A1 does not interact with laminin, p53 (Fig 1A–C; pGBKT7Lam, pGAD10 A1 and pGBKT753, pGAD10 A1) or mCtBP2 (Fig 1D,E; pGBT9 A1 ⁄ pGAD10mCtBP2) identity of A1 with ... resolved by SDS–PAGE (10%) and sequentially probed with a-haemagglutinin (Boehringer Mannheim, Mannheim, Germany; WB a-12CA5) and a-myc (WB a-9E10) mAb Proteins were visualized by ECLTM (Amersham Pharmacia...
... localization of the proteins Ki-1 ⁄ 57, CGI)55 and PRMT1 HeLa cells were grown on coverslips and incubated for 16 h with or without Adox or for h with actinomycin D at 37 °C, with the addition ... or physically with PRMT1, including tubulin [24] or ILF3 [36] Most of these proteins contain one (86%) or more (66%) RGG ⁄ RXR boxes (Table 1) Two of the proteins are ribosomal proteins that ... RACK1 interactswith p73, a paralog of p53, and that RACK1 reduces p73-mediated transcription by direct physical binding with it [12] Arginine methylation is a post-translational modification of proteins...
... nonreducing SDS/PAGE with (+) or without (–) 20 mM dithiothreitol in the sample buffer Detection of protein bands was carried out with a His6-antibody and chemiluminescence with the exception of ... reaction mixture was determined from a sample without enzyme Western analysis For immunological studies, aliquots with about 200 ng of purified Erv1p and mutant proteins were applied to 4%-12% nonreducing ... check the in vivo activity of the mutated proteins we used a haploid yeast strain with a temperature-sensitive Erv1 protein [12] Yeast cells were transformed with single copy pRS416 constructs containing...
... regulation of Ras proteins Ras GTPases cycle between an active GTPbound state and an inactive GDP-bound state GTPase activating proteins (GAPs) catalyze the intrinsic GTPase activity of Ras proteins, ... domain that Sos is constitutively associated with the SH3 domain of the adaptor protein Grb2 [20] Grb2 protein also contains an SH2 domain that interactswith a phosphorylated tyrosine residue of ... transfected with either vector, or constitutively active Ras, or dematin, or Ras-GRF2 Cells were stimulated with ionomycin, as described in the Experimental procedures, and lysates were immunoblotted with...
... bound by four core proteins, Nop1p, Nop58p, Nop56p and Snu13p [8] In addition to the core proteins, the U3 snoRNP is associated with other proteins specific for this snoRNP The first proteins to be ... injected with 10 lg purified His6-Utp25 mixed with complete Freund’s adjuvant (Sigma, St Louis, MO, USA) each The mice were injected three more times with 1-week intervals with 10 lg purified protein with ... for interaction with Utp25p (Fig 9A, lower) 2844 Fig Utp25p interactswith SSU processome subunits (A) Utp25p was fused to lexA DNA-binding domain (BD) and tested for interaction with Mpp10p, Sas10p,...
... reduced by treatment with cytokines HepG2 cells were treated with or without cytokines for 18 h The interaction of HNF protein with the DNA binding site was determined by ChIP assays with antibodies ... exogenous HNF-1a, HNF-3a, HNF-3b and HNF-6a on TTR transcription (comparing bar with 7, with 10, 12 with 13, and 15 with 16 in Fig 3) The loss of response to the overexpression of HNF-3a or HNF-3b ... the TTR promoter with WT or individually mutated HNF binding sites was incubated with nuclear protein extracted from HepG2 cells; the DNA–protein complexes were analyzed by ELISA with antibodies...
... A competition assay was performed with the F-1 fragment and lM of CmtR with no competitor (lane 2), with 50 · non-specific competitor [poly(dI-dC), lane 3], or with 10· (lane 4) and 50· (lane 5) ... CmtR interacts cooperatively with multiple binding sites that span 90 bp of sequence up- and downstream of its own translational start site ()80 to +10 bp) Our results show that CmtR interactswith ... sites, we performed EMSA with oligonucleotides of approximately 20 bp carrying the predicted binding sites 1–4 (Fig 5G) The EMSA results clearly show that CmtR protein interactswith each of these...
... inhibited by native WTX with an IC50 of 2.95 lm (data not shown), in good agreement with the previously reported IC50 value Taken together, these data show that WTX interactswith both muscle-type ... interaction with the mAChRs, and that WTX does not interact directly with the G -proteins themselves: significant differences in [35S]GTP[cS] binding according to receptor subtype are not consistent with ... ligands, suggesting that WTX interactswith both nAChR and mAChR Experiments using heterologous expression of mAChRs revealed that the mechanism of WTX interaction with mAChRs is allosteric This...
... Nagasaki et al associated with the plasma and organelle membranes via covalent modification with lipids, formation of complexes with membrane integral proteins and association with membrane components ... G-protein heterotrimers, some small G -proteins and several non-receptor-type tyrosine kinases are N-myristoylated proteinsProteinswith lipid modifications come in many shapes, sizes and functions, ... treatment with Na2CO3 removes peripheral membrane proteins, which are associated with membrane intrinsic proteins, and a mild detergent Triton X-100 is used to solubilize membrane proteins, but...
... have also been found to associate with aaRSs Yeast TyrRS interactswith Knr4, a protein involved in cell wall synthesis [29], and heat shock protein 90 interactswith human glutamyl-prolyl-tRNA ... His-tag Ni2+–nitrilotriacetic acid agarose precharged with Pex21p was incubated with yeast or maize SerRS variants Proteins bound to resin were eluted with buffer containing 300 mm imidazole and analyzed ... protein cofactor could bind tRNA, as interactions with two proteins might enable more efficient tRNA turnover We coincubated tRNASer and the proteins at 25 °C, and then performed gel-shift analysis,...