nr |
titel |
auteur |
tijdschrift |
jaar |
jaarg. |
afl. |
pagina('s) |
type |
1 |
Acid pH-induced conformational changes in bovine liver rhodanese.
|
Horowitz, P.M. |
|
|
267 |
27 |
p. 19464-19469 |
artikel |
2 |
Additions and Corrections
|
|
|
|
267 |
27 |
p. 19752 |
artikel |
3 |
A functional role for vimentin intermediate filaments in the metabolism of lipoprotein-derived cholesterol in human SW-13 cells.
|
Sarria, A.J. |
|
|
267 |
27 |
p. 19455-19463 |
artikel |
4 |
Alterations of the carboxyl-terminal amino acid residues of Escherichia coli lipoprotein affect the formation of murein-bound lipoprotein.
|
Zhang, W.Y. |
|
|
267 |
27 |
p. 19560-19564 |
artikel |
5 |
A novel intermediate in the interaction of thiosemicarbazide with sheep liver serine hydroxymethyltransferase.
|
Acharya, J.K. |
|
|
267 |
27 |
p. 19066-19071 |
artikel |
6 |
Antiarrhythmic agents. Scavengers of hydroxyl radicals and inhibitors of NADPH-dependent lipid peroxidation in bovine lung microsomes.
|
Das, K.C. |
|
|
267 |
27 |
p. 19172-19178 |
artikel |
7 |
Arg-257 and Arg-307 of 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase bind the C-2 phospho group of fructose-2,6-bisphosphate in the fructose-2,6-bisphosphatase domain.
|
Lin, K |
|
|
267 |
27 |
p. 19163-19171 |
artikel |
8 |
A structural study of the membrane domain of band 3 by tryptic digestion. Conformational change of band 3 in situ induced by alkali treatment.
|
Kang, D |
|
|
267 |
27 |
p. 19211-19217 |
artikel |
9 |
Author Index
|
|
|
|
267 |
27 |
p. x |
artikel |
10 |
Autoregulation and multifunctionality among trans-acting factors that regulate alternative pre-mRNA processing.
|
Mattox, W |
|
|
267 |
27 |
p. 19023-19026 |
artikel |
11 |
Beta-naphthoflavone induction of a cytochrome P-450 arachidonic acid epoxygenase in chick embryo liver distinct from the aryl hydrocarbon hydroxylase and from phenobarbital-induced arachidonate epoxygenase.
|
Nakai, K |
|
|
267 |
27 |
p. 19503-19512 |
artikel |
12 |
Bidirectional transbilayer movement of phospholipid analogs in human red blood cells. Evidence for an ATP-dependent and protein-mediated process.
|
Connor, J |
|
|
267 |
27 |
p. 19412-19417 |
artikel |
13 |
Biosynthesis of all-trans-retinoic acid from retinal. Recognition of retinal bound to cellular retinol binding protein (type I) as substrate by a purified cytosolic dehydrogenase.
|
Posch, K.C. |
|
|
267 |
27 |
p. 19676-19682 |
artikel |
14 |
Bombesin, vasopressin, and endothelin stimulation of tyrosine phosphorylation in Swiss 3T3 cells. Identification of a novel tyrosine kinase as a major substrate.
|
Zachary, I |
|
|
267 |
27 |
p. 19031-19034 |
artikel |
15 |
Calreticulin in T-lymphocytes. Identification of calreticulin in T-lymphocytes and demonstration that activation of T cells correlates with increased levels of calreticulin mRNA and protein.
|
Burns, K |
|
|
267 |
27 |
p. 19039-19042 |
artikel |
16 |
Characterization and RNA-binding properties of a chloroplast S1-like ribosomal protein.
|
Franzetti, B |
|
|
267 |
27 |
p. 19075-19081 |
artikel |
17 |
Characterization and site-directed mutagenesis of a low M(r) GTP-binding protein, ram p25, expressed in Escherichia coli.
|
Nagata, K |
|
|
267 |
27 |
p. 19600-19606 |
artikel |
18 |
Characterization of a cholecystokinin 8-generating endoprotease purified from rat brain synaptosomes.
|
Viereck, J.C. |
|
|
267 |
27 |
p. 19475-19481 |
artikel |
19 |
Characterization of an alternative promoter in the human growth hormone gene.
|
Courtois, S.J. |
|
|
267 |
27 |
p. 19736-19743 |
artikel |
20 |
Cloning and expression of the cDNA sequence encoding the lysosomal glycosidase di-N-acetylchitobiase.
|
Fisher, K.J. |
|
|
267 |
27 |
p. 19607-19616 |
artikel |
21 |
Cloning and primary structure of neurocan, a developmentally regulated, aggregating chondroitin sulfate proteoglycan of brain.
|
Rauch, U |
|
|
267 |
27 |
p. 19536-19547 |
artikel |
22 |
CoA-dependent methylmalonate-semialdehyde dehydrogenase, a unique member of the aldehyde dehydrogenase superfamily. cDNA cloning, evolutionary relationships, and tissue distribution.
|
Kedishvili, N.Y. |
|
|
267 |
27 |
p. 19724-19729 |
artikel |
23 |
Copper-mediated regulation of cytochrome c553 and plastocyanin in the cyanobacterium Synechocystis 6803.
|
Zhang, L |
|
|
267 |
27 |
p. 19054-19059 |
artikel |
24 |
Crystal structure of glucoamylase from Aspergillus awamori var. X100 to 2.2-A resolution.
|
Aleshin, A |
|
|
267 |
27 |
p. 19291-19298 |
artikel |
25 |
Cytotoxic ribonuclease chimeras. Targeted tumoricidal activity in vitro and in vivo.
|
Newton, D.L. |
|
|
267 |
27 |
p. 19572-19578 |
artikel |
26 |
Defective replication activity of a dominant-lethal dnaB gene product from Escherichia coli.
|
Marszalek, J |
|
|
267 |
27 |
p. 19334-19340 |
artikel |
27 |
Defining the carbohydrate specificities of Abrus precatorius agglutinin as T (Gal beta 1—-3GalNAc) greater than I/II (Gal beta 1—-3/4GlcNAc).
|
Wu, A.M. |
|
|
267 |
27 |
p. 19130-19139 |
artikel |
28 |
Dexamethasone down-regulates the expression of endothelin receptors in vascular smooth muscle cells.
|
Nambi, P |
|
|
267 |
27 |
p. 19555-19559 |
artikel |
29 |
Differentiation factors, including nerve growth factor, fibroblast growth factor, and interleukin-6, induce an accumulation of an active Ras.GTP complex in rat pheochromocytoma PC12 cells.
|
Nakafuku, M |
|
|
267 |
27 |
p. 19448-19454 |
artikel |
30 |
Direct evidence for interaction between COOH-terminal regions of cytochrome b558 subunits and cytosolic 47-kDa protein during activation of an O(2-)-generating system in neutrophils.
|
Nakanishi, A |
|
|
267 |
27 |
p. 19072-19074 |
artikel |
31 |
Direct evidence for interaction of the conserved GTPase domain within 28 S RNA with mammalian ribosomal acidic phosphoproteins and L12.
|
Uchiumi, T |
|
|
267 |
27 |
p. 19179-19185 |
artikel |
32 |
Domains responsible for the differential targeting of glucose transporter isoforms.
|
Asano, T |
|
|
267 |
27 |
p. 19636-19641 |
artikel |
33 |
Effects of decreased cytosine content on rho interaction with the rho-dependent terminator trp t' in Escherichia coli.
|
Zalatan, F |
|
|
267 |
27 |
p. 19082-19088 |
artikel |
34 |
Endoglin is a component of the transforming growth factor-beta receptor system in human endothelial cells.
|
Cheifetz, S |
|
|
267 |
27 |
p. 19027-19030 |
artikel |
35 |
Endonucleolysis in the turnover of insulin-like growth factor II mRNA.
|
Nielsen, F.C. |
|
|
267 |
27 |
p. 19404-19411 |
artikel |
36 |
EPR signals of cytochrome b558 purified from porcine neutrophils.
|
Miki, T |
|
|
267 |
27 |
p. 19673-19675 |
artikel |
37 |
Escherichia coli mutant SELD enzymes. The cysteine 17 residue is essential for selenophosphate formation from ATP and selenide.
|
Kim, I.Y. |
|
|
267 |
27 |
p. 19650-19654 |
artikel |
38 |
Expression of calpain II gene in human hematopoietic system cells infected with human T-cell leukemia virus type I.
|
Adachi, Y |
|
|
267 |
27 |
p. 19373-19378 |
artikel |
39 |
Extracellular ATP is a trigger for the acrosome reaction in human spermatozoa.
|
Foresta, C |
|
|
267 |
27 |
p. 19443-19447 |
artikel |
40 |
Functional consequences of alterations to Glu309, Glu771, and Asp800 in the Ca(2+)-ATPase of sarcoplasmic reticulum.
|
Andersen, J.P. |
|
|
267 |
27 |
p. 19383-19387 |
artikel |
41 |
Functional role of arginine 302 within the lactose permease of Escherichia coli.
|
Matzke, E.A. |
|
|
267 |
27 |
p. 19095-19100 |
artikel |
42 |
GC-rich flanking tracts decrease the kinetics of intramolecular DNA triplex formation.
|
Kang, S |
|
|
267 |
27 |
p. 19435-19442 |
artikel |
43 |
Heparin-binding peptides from the type I repeats of thrombospondin. Structural requirements for heparin binding and promotion of melanoma cell adhesion and chemotaxis.
|
Guo, N.H. |
|
|
267 |
27 |
p. 19349-19355 |
artikel |
44 |
Heterogeneity of the retinal G-protein transducin from frog rod photoreceptors. Biochemical identification and characterization of new subunits.
|
Umbarger, K.O. |
|
|
267 |
27 |
p. 19494-19502 |
artikel |
45 |
Hg2+ and Cu+ are ionophores, mediating Cl-/OH- exchange in liposomes and rabbit renal brush border membranes.
|
Karniski, L.P. |
|
|
267 |
27 |
p. 19218-19225 |
artikel |
46 |
High levels of “complexed” interleukin-6 in human blood.
|
May, L.T. |
|
|
267 |
27 |
p. 19698-19704 |
artikel |
47 |
Hormone and antihormone induce distinct conformational changes which are central to steroid receptor activation.
|
Allan, G.F. |
|
|
267 |
27 |
p. 19513-19520 |
artikel |
48 |
Host factor requirements for processive antitermination of transcription and suppression of pausing by the N protein of bacteriophage lambda.
|
Mason, S.W. |
|
|
267 |
27 |
p. 19418-19426 |
artikel |
49 |
How an epidermal growth factor (EGF)-like domain binds calcium. High resolution NMR structure of the calcium form of the NH2-terminal EGF-like domain in coagulation factor X.
|
Selander-Sunnerhagen, M |
|
|
267 |
27 |
p. 19642-19649 |
artikel |
50 |
Human factor XII (Hageman factor) autoactivation by dextran sulfate. Circular dichroism, fluorescence, and ultraviolet difference spectroscopic studies.
|
Samuel, M |
|
|
267 |
27 |
p. 19691-19697 |
artikel |
51 |
Identification and characterization of columbid annexin Icp37. Insights into the evolution of annexin I phosphorylation sites.
|
Haigler, H.T. |
|
|
267 |
27 |
p. 19123-19129 |
artikel |
52 |
Identification of a unique cAMP-response element in the gene encoding the cell adhesion molecule gp80 in Dictyostelium discoideum.
|
Desbarats, L |
|
|
267 |
27 |
p. 19655-19664 |
artikel |
53 |
Identification of the two major epidermal growth factor-induced tyrosine phosphorylation sites in the microvillar core protein ezrin.
|
Krieg, J |
|
|
267 |
27 |
p. 19258-19265 |
artikel |
54 |
Identity of a membrane-bound vasoactive intestinal peptide-binding protein with calmodulin.
|
Stallwood, D |
|
|
267 |
27 |
p. 19617-19621 |
artikel |
55 |
Interaction of secreted insulin-like growth factor-I (IGF-I) with cell surface receptors is the dominant mechanism of IGF-I's autocrine actions.
|
Dai, Z |
|
|
267 |
27 |
p. 19565-19571 |
artikel |
56 |
Interaction of the frog brain kainate receptor expressed in Chinese hamster ovary cells with a GTP-binding protein.
|
Willard, J.M. |
|
|
267 |
27 |
p. 19112-19116 |
artikel |
57 |
Interaction of thrombin des-ETW with antithrombin III, the Kunitz inhibitors, thrombomodulin and protein C. Structural link between the autolysis loop and the Tyr-Pro-Pro-Trp insertion of thrombin.
|
Le Bonniec, B.F. |
|
|
267 |
27 |
p. 19341-19348 |
artikel |
58 |
Interaction of tRNALys with the p66/p66 form of HIV-1 reverse transcriptase stimulates DNA polymerase and ribonuclease H activities.
|
Andreola, M.L. |
|
|
267 |
27 |
p. 19356-19362 |
artikel |
59 |
Isolation of a clone encoding a second dragline silk fibroin. Nephila clavipes dragline silk is a two-protein fiber.
|
Hinman, M.B. |
|
|
267 |
27 |
p. 19320-19324 |
artikel |
60 |
Kinetic characterization of the substrate reaction between a complex of antithrombin with a synthetic reactive-bond loop tetradecapeptide and four target proteinases of the inhibitor.
|
Björk, I |
|
|
267 |
27 |
p. 19047-19050 |
artikel |
61 |
Labile proteins play a dual role in the control of endothelial leukocyte adhesion molecule-1 (ELAM-1) gene regulation.
|
Ghersa, P |
|
|
267 |
27 |
p. 19226-19232 |
artikel |
62 |
Location of the cytoplasmic epitope for a K(+)-competitive antibody of the (H+,K+)-ATPase.
|
Bayle, D |
|
|
267 |
27 |
p. 19060-19065 |
artikel |
63 |
Metabolic conversion of platelet-activating factor into ethanolamine plasmalogen in an amnion-derived cell line.
|
Frenkel, R.A. |
|
|
267 |
27 |
p. 19186-19191 |
artikel |
64 |
Metabolism of 5(S)-hydroxy-6,8,11,14-eicosatetraenoic acid and other 5(S)-hydroxyeicosanoids by a specific dehydrogenase in human polymorphonuclear leukocytes.
|
Powell, W.S. |
|
|
267 |
27 |
p. 19233-19241 |
artikel |
65 |
Metal-tetracycline/H+ antiporter of Escherichia coli encoded by transposon Tn10. The role of a conserved sequence motif, GXXXXRXGRR, in a putative cytoplasmic loop between helices 2 and 3.
|
Yamaguchi, A |
|
|
267 |
27 |
p. 19155-19162 |
artikel |
66 |
Molecular cloning and sequencing of the gene for mycocerosic acid synthase, a novel fatty acid elongating multifunctional enzyme, from Mycobacterium tuberculosis var. bovis Bacillus Calmette-Guerin.
|
Mathur, M |
|
|
267 |
27 |
p. 19388-19395 |
artikel |
67 |
Mutagenesis of the C-terminal nucleotide-binding site of an anion-translocating ATPase.
|
Kaur, P |
|
|
267 |
27 |
p. 19272-19277 |
artikel |
68 |
Mutation spectrum of heat-induced abasic sites on a single-stranded shuttle vector replicated in mammalian cells.
|
Neto, J.B. |
|
|
267 |
27 |
p. 19718-19723 |
artikel |
69 |
Neither lipid modification nor processing of prolipoprotein is essential for the formation of murein-bound lipoprotein in Escherichia coli.
|
Zhang, W.Y. |
|
|
267 |
27 |
p. 19631-19635 |
artikel |
70 |
Neurocalcin: a novel calcium-binding protein from bovine brain.
|
Terasawa, M |
|
|
267 |
27 |
p. 19596-19599 |
artikel |
71 |
Nucleotide sequence and deduced functions of a set of cotranscribed genes of Streptomyces coelicolor A3(2) including the polyketide synthase for the antibiotic actinorhodin.
|
Fernández-Moreno, M.A. |
|
|
267 |
27 |
p. 19278-19290 |
artikel |
72 |
Oligosaccharide structures of mucins secreted by the human colonic cancer cell line CL.16E.
|
Capon, C |
|
|
267 |
27 |
p. 19248-19257 |
artikel |
73 |
On the mechanism by which bupivacaine conducts protons across the membranes of mitochondria and liposomes.
|
Sun, X |
|
|
267 |
27 |
p. 19147-19154 |
artikel |
74 |
Phi 29 DNA polymerase active site. Mutants in conserved residues Tyr254 and Tyr390 are affected in dNTP binding.
|
Blasco, M.A. |
|
|
267 |
27 |
p. 19427-19434 |
artikel |
75 |
Phosphorylation of CCAAT-enhancer binding protein by protein kinase C attenuates site-selective DNA binding.
|
Mahoney, C.W. |
|
|
267 |
27 |
p. 19396-19403 |
artikel |
76 |
Phosphorylation of tau protein by purified p34cdc28 and a related protein kinase from neurofilaments.
|
Mawal-Dewan, M |
|
|
267 |
27 |
p. 19705-19709 |
artikel |
77 |
Phytochrome assembly. Defining chromophore structural requirements for covalent attachment and photoreversibility.
|
Li, L |
|
|
267 |
27 |
p. 19204-19210 |
artikel |
78 |
Plasmin and the regulation of tissue-type plasminogen activator biosynthesis in human endothelial cells.
|
Shi, G.Y. |
|
|
267 |
27 |
p. 19363-19368 |
artikel |
79 |
Pore formation and mitogenicity in blood cells by the class 2 protein of Neisseria meningitidis.
|
Ulmer, J.B. |
|
|
267 |
27 |
p. 19266-19271 |
artikel |
80 |
Post-translational processing events in the secretion pathway of human protein C, a complex vitamin K-dependent antithrombotic factor.
|
McClure, D.B. |
|
|
267 |
27 |
p. 19710-19717 |
artikel |
81 |
Pseudomonas aeruginosa exotoxin A interaction with eucaryotic elongation factor 2. Role of the His426 residue.
|
Kessler, S.P. |
|
|
267 |
27 |
p. 19107-19111 |
artikel |
82 |
Pyruvic acid is attached through its central carbon atom to the amino terminus of the recombinant DNA-derived DNA-binding protein Ner of bacteriophage Mu.
|
Rose, K |
|
|
267 |
27 |
p. 19101-19106 |
artikel |
83 |
Regulation of cystic fibrosis transmembrane conductance regulator (CFTR) gene transcription and alternative RNA splicing in a model of developing intestinal epithelium.
|
Montrose-Rafizadeh, C |
|
|
267 |
27 |
p. 19299-19305 |
artikel |
84 |
Regulation of glucose transporters by connective tissue activating peptide-III isoforms.
|
Tai, P.K. |
|
|
267 |
27 |
p. 19579-19586 |
artikel |
85 |
Role of CAAT-enhancer binding protein isoforms in the cytokine regulation of acute-phase plasma protein genes.
|
Baumann, H |
|
|
267 |
27 |
p. 19744-19751 |
artikel |
86 |
Role of conserved threonine and tyrosine residues in acetylcholine binding and muscarinic receptor activation. A study with m3 muscarinic receptor point mutants.
|
Wess, J |
|
|
267 |
27 |
p. 19313-19319 |
artikel |
87 |
Role of the histone “tails” in the folding of oligonucleosomes depleted of histone H1.
|
Garcia-Ramirez, M |
|
|
267 |
27 |
p. 19587-19595 |
artikel |
88 |
Selective suppression of growth factor-induced cell cycle gene expression by Na+/H+ antiport inhibitors.
|
Vairo, G |
|
|
267 |
27 |
p. 19043-19046 |
artikel |
89 |
Separation and characterization of nonphosphorylated and serine-phosphorylated urokinase. Catalytic properties and sensitivity to plasminogen activator inhibitor type 1.
|
Franco, P |
|
|
267 |
27 |
p. 19369-19372 |
artikel |
90 |
Site-specific mutagenesis of residues in the Escherichia coli mannitol permease that have been suggested to be important for its phosphorylation and chemoreception functions.
|
Weng, Q.P. |
|
|
267 |
27 |
p. 19529-19535 |
artikel |
91 |
Steady-state polypeptide modulations associated with nerve growth factor (NGF)-induced terminal differentiation and NGF deprivation-induced apoptosis in human neuroblastoma cells.
|
Jensen, L.M. |
|
|
267 |
27 |
p. 19325-19333 |
artikel |
92 |
Structural comparison of sulfodiimine and sulfonamide inhibitors in their complexes with zinc enzymes.
|
Cappalonga, A.M. |
|
|
267 |
27 |
p. 19192-19197 |
artikel |
93 |
Structure of the rat plasma membrane Ca(2+)-ATPase isoform 3 gene and characterization of alternative splicing and transcription products. Skeletal muscle-specific splicing results in a plasma membrane Ca(2+)-ATPase with a novel calmodulin-binding domain.
|
Burk, S.E. |
|
|
267 |
27 |
p. 19683-19690 |
artikel |
94 |
Substrate specificity of cis-prenyltransferase in rat liver microsomes.
|
Ericsson, J |
|
|
267 |
27 |
p. 19730-19735 |
artikel |
95 |
The antiproliferative activity of arterial heparan sulfate resides in domains enriched with 2-O-sulfated uronic acid residues.
|
Schmidt, A |
|
|
267 |
27 |
p. 19242-19247 |
artikel |
96 |
The asparagine-linked oligosaccharides on tissue factor pathway inhibitor terminate with SO4-4GalNAc beta 1, 4GlcNAc beta 1,2 Mana alpha.
|
Smith, P.L. |
|
|
267 |
27 |
p. 19140-19146 |
artikel |
97 |
The ATP-Mg/Pi carrier of rat liver mitochondria catalyzes a divalent electroneutral exchange.
|
Joyal, J.L. |
|
|
267 |
27 |
p. 19198-19203 |
artikel |
98 |
The cGMP phosphodiesterase-transducin complex of retinal rods. Membrane binding and subunits interactions.
|
Catty, P |
|
|
267 |
27 |
p. 19489-19493 |
artikel |
99 |
The interglobular domain of cartilage aggrecan is cleaved by PUMP, gelatinases, and cathepsin B.
|
Fosang, A.J. |
|
|
267 |
27 |
p. 19470-19474 |
artikel |
100 |
The Jun family members, c-Jun and JunD, transactivate the human c-myb promoter via an Ap1-like element.
|
Nicolaides, N.C. |
|
|
267 |
27 |
p. 19665-19672 |
artikel |
101 |
The lamin B receptor of the inner nuclear membrane undergoes mitosis-specific phosphorylation and is a substrate for p34cdc2-type protein kinase.
|
Courvalin, J.C. |
|
|
267 |
27 |
p. 19035-19038 |
artikel |
102 |
The peroxisome proliferator-activated receptor mediates the induction of CYP4A6, a cytochrome P450 fatty acid omega-hydroxylase, by clofibric acid.
|
Muerhoff, A.S. |
|
|
267 |
27 |
p. 19051-19053 |
artikel |
103 |
Tissue distribution and kinetic characteristics of rat steroid 5 alpha-reductase isozymes. Evidence for distinct physiological functions.
|
Normington, K |
|
|
267 |
27 |
p. 19548-19554 |
artikel |
104 |
Tissue factor-dependent autoactivation of human blood coagulation factor VII.
|
Yamamoto, M |
|
|
267 |
27 |
p. 19089-19094 |
artikel |
105 |
Tissue-specific expression of the mouse alpha 2(I) collagen promoter. Studies in transgenic mice and in tissue culture cells.
|
Goldberg, H |
|
|
267 |
27 |
p. 19622-19630 |
artikel |
106 |
Transcription termination in vitro by bacteriophage T7 RNA polymerase. The role of sequence elements within and surrounding a rho-independent transcription terminator.
|
Jeng, S.T. |
|
|
267 |
27 |
p. 19306-19312 |
artikel |
107 |
Transforming growth factor-beta 1, -beta 2, and -beta 3 secreted by a human glioblastoma cell line. Identification of small and different forms of large latent complexes.
|
Olofsson, A |
|
|
267 |
27 |
p. 19482-19488 |
artikel |
108 |
Translocation of a small cytosolic calcium-binding protein (MRP-8) to plasma membrane correlates with human neutrophil activation.
|
Lemarchand, P |
|
|
267 |
27 |
p. 19379-19382 |
artikel |
109 |
Transmembrane signaling by the human insulin receptor kinase. Relationship between intramolecular beta subunit trans- and cis-autophosphorylation and substrate kinase activation.
|
Frattali, A.L. |
|
|
267 |
27 |
p. 19521-19528 |
artikel |
110 |
Use of 50 S-binding antibiotics to characterize the ribosomal site to which peptidyl-tRNA is bound.
|
Odom, O.W. |
|
|
267 |
27 |
p. 19117-19122 |
artikel |