Description : Encodes Hsp21, a chloroplast located small heat shock protein. A structure model of Hsp21, obtained by homology modeling, single-particle electron microscopy, and lysine-specific chemical crosslinking, shows that the Hsp21 subunits are arranged in two hexameric discs, rotated by 25 degree in relation to each other.

2019-09-27

A structure model of Hsp21, obtained by homology modeling, single-particle electron microscopy, and lysine-specific chemical crosslinking, shows that the Hsp21 subunits are arranged in two hexameric discs, rotated by 25 degree in relation to each other. HSP21 chaperones core subunits of photosystem II 1107. parameter Fv/Fm was measured in order to test the harm-ful effects of GUN5 disruption on the maximal quantum yield of PSII. In agreement with its heat-sensitive pheno-types, the Fv/Fm value of the gun5 mutant was progres- HSP21 and pTAC5 formed a complex that was associated mainly with the PEP complex. HSP21 and pTAC5 were associated with the PEP complex not only during transcription initiation, but also during elongation and termination. Our results suggest that HSP21 and pTAC5 are required for chloroplast development under heat stress by maintaining PEP function. Furthermore, the gun5 HSP21‐overexpression line maintained relatively higher Fv/Fm values that were slightly lower than that of wild‐type plants during heat treatment, but substantial decreases in Fv/Fm values were detected in the gun5 mutant, reflecting a significant improvement in thylakoid stability in the overexpression line (Figure 3c).

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Toggle navigation. Bio GRID 4.3 2014-11-23 Cross-linked Hsp21-Hsp21 dipeptides indicated an exposure of the Hsp21 C-terminal tails and substrate-binding sites normally covered by the C terminus. Cross-linked Hsp21-CS dipeptides mapped to several sites on the surface of the CS dimer, indicating that there are numerous weak and short-lived interactions between Hsp21 and CS, even at normal temperatures. 2019-10-09 BioGRID Interaction 887644 Between HSP21 And RPOB. Toggle navigation. Bio GRID 4.3 2020-11-01 Small but Crucial: The Novel Small Heat Shock Protein Hsp21 Mediates Stress Adaptation and Virulence in Candida albicans Franc¸ois L. Mayer1, Duncan Wilson1, Ilse D. Jacobsen1, Pedro Miramo´n1, Silvia Slesiona1,2, Iryna M. Bohovych3, Alistair J. P. Brown3, Bernhard Hube1,4,5* 1Department of Microbial Pathogenicity Mechanisms, Hans-Knoell-Institute, Jena, Germany, 2Department of Microbial No HSP21 protein was detected in the hsp21 mutant, in transcriptionally active chromosome (pTAC), and the soluble RNA dicating that hsp21 is a knockout mutant, polymerase preparation. Although the subunits of PEP core are Under normal growth conditions (22°C), the hsp21 mutant grew Results are the mean ± SD of two independent experiments, each performed in duplicate with the length of at least 200 cells measured per strain and experiment.

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1. Exploring small heat shock protein chaperones by crosslinking mass spectrometry. The focus in my PhD project is on structure and function of small heat shock chaperone proteins with main focus on Hsp21, a chloroplast-localized small heat  Antigensymbol, HSP21.

Hsp21. Det beror på att Hsp21 binder till andra viktiga proteiner för att förhindra att dessa ska aggregera (Hsp21-substrat komplex). Mitt arbete gick ut på att undersöka Hsp21:s aktiva form och se om det förekom Hsp21-substrat komplex och i såfall vilken storlek de hade. Jag kunde observera två Hsp21-substrat komplex med två olika

Bio GRID 4.3 2014-11-23 Cross-linked Hsp21-Hsp21 dipeptides indicated an exposure of the Hsp21 C-terminal tails and substrate-binding sites normally covered by the C terminus. Cross-linked Hsp21-CS dipeptides mapped to several sites on the surface of the CS dimer, indicating that there are numerous weak and short-lived interactions between Hsp21 and CS, even at normal temperatures. 2019-10-09 BioGRID Interaction 887644 Between HSP21 And RPOB. Toggle navigation. Bio GRID 4.3 2020-11-01 Small but Crucial: The Novel Small Heat Shock Protein Hsp21 Mediates Stress Adaptation and Virulence in Candida albicans Franc¸ois L. Mayer1, Duncan Wilson1, Ilse D. Jacobsen1, Pedro Miramo´n1, Silvia Slesiona1,2, Iryna M. Bohovych3, Alistair J. P. Brown3, Bernhard Hube1,4,5* 1Department of Microbial Pathogenicity Mechanisms, Hans-Knoell-Institute, Jena, Germany, 2Department of Microbial No HSP21 protein was detected in the hsp21 mutant, in transcriptionally active chromosome (pTAC), and the soluble RNA dicating that hsp21 is a knockout mutant, polymerase preparation.

Also known as HS25P_ARATH, HSP21, HSP25.3. Chaperone protein required for seedling and chloroplast development under heat stress, probably by maintaining plastid-encoded RNA polymerase (PEP)-dependent transcription. 14 Jan 2020 To determine the roles of Hsp genes (Hsp70, Hsp21, and sHsp21) on the high temperature tolerance of Agasicles hygrophila, we obtained  The shrimp HSP21 gene was 555 bp in length. The thermal aggregation assay showed that the HSP21 had chaperone activity. The result of real-time PCR  Mutants defective in trehalose synthesis phenocopy HSP21 deletion. (A) Drop test analysis with serial dilutions of the wild type (Wt) and the indicated mutant  In the present study we identified and characterized the novel sHsp Hsp21 of the human fungal pathogen Candida albicans. Using a reverse genetics approach  We took interest in Hsp21, a chloroplast-localized sHsp crucial for plant stress resistance, which has even longer N-terminal arms than Hsp16.9, with a functionally  3 May 2017 Structural model of dodecameric heat-shock protein Hsp21: Flexible N-terminal arms interact with client proteins while C-terminal tails maintain  The apparent size of native HSP21 complexes was > 200 kD and they did not dissociate during heat stress.
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Chaperone protein required for seedling and chloroplast development under heat stress, probably by maintaining plastid-encoded RNA polymerase (PEP)-dependent transcription. 14 Jan 2020 To determine the roles of Hsp genes (Hsp70, Hsp21, and sHsp21) on the high temperature tolerance of Agasicles hygrophila, we obtained  The shrimp HSP21 gene was 555 bp in length.
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Heat shock protein 21, chloroplastic · HSP21 ·

This section provides any useful information about the protein, mostly biological knowledge. ·

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2019-10-09 BioGRID Interaction 887644 Between HSP21 And RPOB. Toggle navigation. Bio GRID 4.3 2020-11-01 Small but Crucial: The Novel Small Heat Shock Protein Hsp21 Mediates Stress Adaptation and Virulence in Candida albicans Franc¸ois L. Mayer1, Duncan Wilson1, Ilse D. Jacobsen1, Pedro Miramo´n1, Silvia Slesiona1,2, Iryna M. Bohovych3, Alistair J. P. Brown3, Bernhard Hube1,4,5* 1Department of Microbial Pathogenicity Mechanisms, Hans-Knoell-Institute, Jena, Germany, 2Department of Microbial No HSP21 protein was detected in the hsp21 mutant, in transcriptionally active chromosome (pTAC), and the soluble RNA dicating that hsp21 is a knockout mutant, polymerase preparation. Although the subunits of PEP core are Under normal growth conditions (22°C), the hsp21 mutant grew Results are the mean ± SD of two independent experiments, each performed in duplicate with the length of at least 200 cells measured per strain and experiment.