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PreprintCited by 3Genomics and Chromatin DynamicsChromatin Remodeling and CancerFungal and yeast genetics research

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Transcriptional activation domains interact with ATPase subunits of yeast chromatin remodelling complexes SWI/SNF, RSC and INO80

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Wendegatz, Eva-Carina, Engelhardt, Maike, Schüller, Hans-Joachim·2024·Current Genetics
DOI 10.21203/rs.3.rs-4564265/v1PMC PMC11377671

Preprint — published as 10.1007/s00294-024-01300-x · Paper page

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Abstract

Chromatin remodelling complexes (CRC) are ATP-dependent molecular machines important for the dynamic organization of nucleosomes along eukaryotic DNA. CRCs SWI/SNF, RSC and INO80 can move positioned nucleosomes in promoter DNA, leading to nucleosome-depleted regions which facilitate access of general transcription factors. This function is strongly supported by transcriptional activators being able to interact with subunits of various CRCs. In this work we show that SWI/SNF subunits Swi1, Swi2, Snf5 and Snf6 can bind to activation domains of Ino2 required for expression of phospholipid biosynthetic genes in yeast. We identify an activator binding domain (ABD) of ATPase Swi2 and show that this ABD is functionally dispensable, presumably because ABDs of other SWI/SNF subunits can compensate for the loss. In contrast, mutational characterization of the ABD of the Swi2-related ATPase Sth1 revealed that some conserved basic and hydrophobic amino acids within this domain are essential for the function of Sth1. While ABDs of Swi2 and Sth1 define separate functional protein domains, mapping of an ABD within ATPase Ino80 showed co-localization with its HSA domain also required for binding actin-related proteins. Comparative interaction studies finally demonstrated that several unrelated activators each exhibit a specific binding pattern with ABDs of Swi2, Sth1 and Ino80.

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Fig. 1 In vitro interaction assays (GST pull-down) with length variants of Swi2 and various activation domains. A Swi2 interacts with both Ino2 activation domains. Fusion proteins GST-Ino2 TAD1 (aa 1–35; encoded by pSH117) and GST-Ino2 TAD2 (aa 101–135; pSH 118) were synthesized in E. coli, immobilized on GSH sepharose and incubated with yeast protein extracts containing epitope-tagged Swi2 (full-length; synthesized by yeast expression plasmid pES17). B Mapping of Swi2 domains interacting with TAD1 of Ino2. The following expression plasmids were used to synthesize HA-Swi2 variants in E. coli strain BL21 CodonPlus: pMG142 (aa 1–550), pMG140 (aa 1–450), pIB2 (aa 1–307), pIB1 (aa 1–160), pIB3 (aa 161–450), pIB4 (aa 161–307), pIB5 (aa 301–450), pIB9 (aa 206–307) and pIB12 (aa 238–307). Length variant aa 1–307 was also synthesized in S. cerevisiae, using yeast expression plasmid pECW41. ABD, activator binding domain; HSA, helicase/SANT-associated domain. ATPase RecA subdomains are not shown individually. Functional domains SnAC (Snf2 ATP coupling, aa 1302–1369) and AT-hook (aa 1446–1458 and aa 1518–1530) are omitted from the figure. C TADs of various unrelated transcriptional activators interact with Swi2. GST fusions of Ino2 TAD1 (aa 1–35; pSH117), Ino2 TAD2 (aa 101–135; pSH118), Gal4 TAD (aa 768–881; pES20), Gcn4 TAD (aa 9–172; pKH60), Leu3 TAD (aa 841–886; pES5), Rap1 TAD (aa 630–671; pLJ6), Aro80 TAD (aa 846–950; pMG50) and Swi5 TAD (aa 1–85; pDG1) were synthesized in E. coli, immobilized on GSH sepharose and incubated with bacterial protein extract containing epitope-tagged Swi2 length variant aa 161–307 (pIB4). Empty GST plasmid pGEX-2TK was used as a negative control
Fig. 1 In vitro interaction assays (GST pull-down) with length variants of Swi2 and various activation domains. A Swi2 interacts with both Ino2 activation domains. Fusion proteins GST-Ino2 TAD1 (aa 1–35; encoded by pSH117) and GST-Ino2 TAD2 (aa 101–135; pSH 118) were synthesized in E. coli, immobilized on GSH sepharose and incubated with yeast protein extracts containing epitope-tagged Swi2 (full-length; synthesized by yeast expression plasmid pES17). B Mapping of Swi2 domains interacting with TAD1 of Ino2. The following expression plasmids were used to synthesize HA-Swi2 variants in E. coli strain BL21 CodonPlus: pMG142 (aa 1–550), pMG140 (aa 1–450), pIB2 (aa 1–307), pIB1 (aa 1–160), pIB3 (aa 161–450), pIB4 (aa 161–307), pIB5 (aa 301–450), pIB9 (aa 206–307) and pIB12 (aa 238–307). Length variant aa 1–307 was also synthesized in S. cerevisiae, using yeast expression plasmid pECW41. ABD, activator binding domain; HSA, helicase/SANT-associated domain. ATPase RecA subdomains are not shown individually. Functional domains SnAC (Snf2 ATP coupling, aa 1302–1369) and AT-hook (aa 1446–1458 and aa 1518–1530) are omitted from the figure. C TADs of various unrelated transcriptional activators interact with Swi2. GST fusions of Ino2 TAD1 (aa 1–35; pSH117), Ino2 TAD2 (aa 101–135; pSH118), Gal4 TAD (aa 768–881; pES20), Gcn4 TAD (aa 9–172; pKH60), Leu3 TAD (aa 841–886; pES5), Rap1 TAD (aa 630–671; pLJ6), Aro80 TAD (aa 846–950; pMG50) and Swi5 TAD (aa 1–85; pDG1) were synthesized in E. coli, immobilized on GSH sepharose and incubated with bacterial protein extract containing epitope-tagged Swi2 length variant aa 161–307 (pIB4). Empty GST plasmid pGEX-2TK was used as a negative controlCC BY · PubMed Central
Fig. 2 Influence of SWI2 on gene activation by Ino2. A Expression of a GAL1-lacZ reporter gene in the presence of Gal4DBD-Ino2 hybrid activators. Isogenic strains EWY3 (SWI2 gal4Δ) and EWY4 (swi2Δ gal4Δ) were doubly transformed with reporter plasmid pKH29 (GAL1-lacZ) and effector plasmids pSG14 (GAL4DBD-INO2TAD1), pSG16 (GAL4DBD-INO2TAD2) and pGBD-C1 (GAL4DBD, negative control, basal expression), respectively. Transformants were grown in selective medium under derepressing conditions (0.2% glucose + 1% lactate) until mid-log phase. Specific activities of β-galactosidase are given in U per mg of protein. Activation in vivo was assayed by performing three independent transformations of both strains, using four colonies for each repetition (12 individual enzyme assays). Standard deviations are indicated by error bars and given in parentheses. B Functional complementation of swi2 mutant phenotypes by SWI2 variants devoid of sequences encoding the activator binding domain (ABD). S. cerevisiae strain JS94.8-12 (relevant genotype: ura3 swi2Δ::HIS3) was transformed with plasmids pECW24 (ARS CEN URA3 MET25Pr-SWI2; wild-type), pECW28 (MET25Pr-SWI2Δ240-298), pECW30 (MET25Pr-SWI2Δ160-298) and p416-MET25 (empty vector), respectively. Serial strain dilutions were spotted on the media shown and incubated for one (SCD-Ura + IC), two (SCD-Ino, SCRaf + IC and SCGal + IC) or three days (SCEth + IC). IC, inositol + choline; Ino, inositol; Raf, raffinose; Eth, ethanol; Gal, galactose
Fig. 2 Influence of SWI2 on gene activation by Ino2. A Expression of a GAL1-lacZ reporter gene in the presence of Gal4DBD-Ino2 hybrid activators. Isogenic strains EWY3 (SWI2 gal4Δ) and EWY4 (swi2Δ gal4Δ) were doubly transformed with reporter plasmid pKH29 (GAL1-lacZ) and effector plasmids pSG14 (GAL4DBD-INO2TAD1), pSG16 (GAL4DBD-INO2TAD2) and pGBD-C1 (GAL4DBD, negative control, basal expression), respectively. Transformants were grown in selective medium under derepressing conditions (0.2% glucose + 1% lactate) until mid-log phase. Specific activities of β-galactosidase are given in U per mg of protein. Activation in vivo was assayed by performing three independent transformations of both strains, using four colonies for each repetition (12 individual enzyme assays). Standard deviations are indicated by error bars and given in parentheses. B Functional complementation of swi2 mutant phenotypes by SWI2 variants devoid of sequences encoding the activator binding domain (ABD). S. cerevisiae strain JS94.8-12 (relevant genotype: ura3 swi2Δ::HIS3) was transformed with plasmids pECW24 (ARS CEN URA3 MET25Pr-SWI2; wild-type), pECW28 (MET25Pr-SWI2Δ240-298), pECW30 (MET25Pr-SWI2Δ160-298) and p416-MET25 (empty vector), respectively. Serial strain dilutions were spotted on the media shown and incubated for one (SCD-Ura + IC), two (SCD-Ino, SCRaf + IC and SCGal + IC) or three days (SCEth + IC). IC, inositol + choline; Ino, inositol; Raf, raffinose; Eth, ethanol; Gal, galactoseCC BY · PubMed Central
Fig. 3 Swi1 interacts with TAD1 and TAD2 of Ino2. A HA-tagged Swi1 length variant aa 329–657 was synthesized in S. cerevisiae (expression plasmid pECW39) and assayed for binding to GST fusions with Ino2 TAD1 (pSH117), Ino2 TAD2 (pSH118) and Gcn4 TAD (pKH60; positive control). B Swi1 truncations were assayed for binding to GST-Ino2 TAD1 (pSH117). Expression plasmids pJuLu1 (aa 329–657), pMaS5 (aa 329–531), pMaS7 (aa 428–657) and pLM3 (aa 428–606) were used for synthesis of Swi1 variants in E. coli (E.c.) or in S. cerevisiae (S.c.). ABD, activator binding domain; ARID, AT-rich interaction domain
Fig. 3 Swi1 interacts with TAD1 and TAD2 of Ino2. A HA-tagged Swi1 length variant aa 329–657 was synthesized in S. cerevisiae (expression plasmid pECW39) and assayed for binding to GST fusions with Ino2 TAD1 (pSH117), Ino2 TAD2 (pSH118) and Gcn4 TAD (pKH60; positive control). B Swi1 truncations were assayed for binding to GST-Ino2 TAD1 (pSH117). Expression plasmids pJuLu1 (aa 329–657), pMaS5 (aa 329–531), pMaS7 (aa 428–657) and pLM3 (aa 428–606) were used for synthesis of Swi1 variants in E. coli (E.c.) or in S. cerevisiae (S.c.). ABD, activator binding domain; ARID, AT-rich interaction domainCC BY · PubMed Central
Fig. 4 Snf5 and Snf6 interact with TAD1 and TAD2 of Ino2. A HA-tagged Snf5 length variant aa 1–334 was synthesized in S. cerevisiae (expression plasmid pECW40) and assayed for binding to GST fusions with Ino2 TAD1 (pSH117), Ino2 TAD2 (pSH118) and Gcn4 TAD (pKH60; positive control). B Snf5 truncations were assayed for binding to GST-Ino2 TAD1 (pSH117). Expression plasmids pJuLu2 (aa 1–334), pMaS6 (aa 1–190), pECW49 (aa 130–334), pECW50 (aa 198–334), pLM1 (aa 265–334) and pLM2 (aa 130–275) were used to synthesize Snf5 variants in E. coli (E.c.) or in S. cerevisiae (S.c.). ABD, activator binding domains; Qn, Glutamine-rich region; INI1 sim., region similar to human tumor suppressor INI1. C Snf6 interacts with activators Ino2 and Pho4. Full-length HA-Snf6 was synthesized in S. cerevisiae and in E. coli (expression plasmids pKB1 and pKB5, respectively) and assayed for binding to GST fusions with Ino2 TAD1 (pSH117), Ino2 TAD2 (pSH118) and Pho4 TAD (aa 1–104, pRAR62; positive control). Snf6 truncation variant aa 1–225 (pECW65) was synthesized in S. cerevisiae
Fig. 4 Snf5 and Snf6 interact with TAD1 and TAD2 of Ino2. A HA-tagged Snf5 length variant aa 1–334 was synthesized in S. cerevisiae (expression plasmid pECW40) and assayed for binding to GST fusions with Ino2 TAD1 (pSH117), Ino2 TAD2 (pSH118) and Gcn4 TAD (pKH60; positive control). B Snf5 truncations were assayed for binding to GST-Ino2 TAD1 (pSH117). Expression plasmids pJuLu2 (aa 1–334), pMaS6 (aa 1–190), pECW49 (aa 130–334), pECW50 (aa 198–334), pLM1 (aa 265–334) and pLM2 (aa 130–275) were used to synthesize Snf5 variants in E. coli (E.c.) or in S. cerevisiae (S.c.). ABD, activator binding domains; Qn, Glutamine-rich region; INI1 sim., region similar to human tumor suppressor INI1. C Snf6 interacts with activators Ino2 and Pho4. Full-length HA-Snf6 was synthesized in S. cerevisiae and in E. coli (expression plasmids pKB1 and pKB5, respectively) and assayed for binding to GST fusions with Ino2 TAD1 (pSH117), Ino2 TAD2 (pSH118) and Pho4 TAD (aa 1–104, pRAR62; positive control). Snf6 truncation variant aa 1–225 (pECW65) was synthesized in S. cerevisiaeCC BY · PubMed Central
Fig. 5 In vitro interaction assays (GST pull-down) with length variants of Sth1 and various activation domains. A Sth1 interacts with both Ino2 activation domains. GST fusion proteins containing TAD1 or TAD2 of Ino2 were synthesized in E. coli, immobilized on GSH sepharose and incubated with yeast protein extracts containing epitope-tagged Sth1 (aa 1–300; yeast expression plasmid pECW31). B Mapping of Sth1 domains interacting with TAD1 of Ino2. Expression plasmids pECW32 (aa 1–300), pECW34 (aa 1–160), pECW33 (aa 160–300), pMiM4 (aa 160–270), pMiM3 (aa 190–300) and pECW45 (aa 160–232) were used to synthesize HA-Sth1 variants in E. coli strain BL21 CodonPlus. Length variant aa 160–232 was also synthesized in S. cerevisiae (yeast expression plasmid pECW48). ABD, activator binding domain; HSA, helicase/SANT-associated domain. ATPase RecA subdomains are not depicted individually. Functional domain SnAC (aa 1001–1069) is omitted from the figure. C TADs of various unrelated transcriptional activators interact with Sth1. GST fusions of Ino2 TAD1, Ino2 TAD2, Gal4 TAD Gcn4 TAD, Leu3 TAD, Rap1 TAD, Aro80 TAD and Swi5 TAD were synthesized in E. coli, immobilized on GSH sepharose and incubated with bacterial protein extract containing epitope-tagged Sth1 length variant aa 1–300 (pECW32). Empty GST plasmid pGEX-2TK was used as a negative control
Fig. 5 In vitro interaction assays (GST pull-down) with length variants of Sth1 and various activation domains. A Sth1 interacts with both Ino2 activation domains. GST fusion proteins containing TAD1 or TAD2 of Ino2 were synthesized in E. coli, immobilized on GSH sepharose and incubated with yeast protein extracts containing epitope-tagged Sth1 (aa 1–300; yeast expression plasmid pECW31). B Mapping of Sth1 domains interacting with TAD1 of Ino2. Expression plasmids pECW32 (aa 1–300), pECW34 (aa 1–160), pECW33 (aa 160–300), pMiM4 (aa 160–270), pMiM3 (aa 190–300) and pECW45 (aa 160–232) were used to synthesize HA-Sth1 variants in E. coli strain BL21 CodonPlus. Length variant aa 160–232 was also synthesized in S. cerevisiae (yeast expression plasmid pECW48). ABD, activator binding domain; HSA, helicase/SANT-associated domain. ATPase RecA subdomains are not depicted individually. Functional domain SnAC (aa 1001–1069) is omitted from the figure. C TADs of various unrelated transcriptional activators interact with Sth1. GST fusions of Ino2 TAD1, Ino2 TAD2, Gal4 TAD Gcn4 TAD, Leu3 TAD, Rap1 TAD, Aro80 TAD and Swi5 TAD were synthesized in E. coli, immobilized on GSH sepharose and incubated with bacterial protein extract containing epitope-tagged Sth1 length variant aa 1–300 (pECW32). Empty GST plasmid pGEX-2TK was used as a negative controlCC BY · PubMed Central
Fig. 6 Assay for functional complementation of sth1 mutation by STH1 variants lacking ABD sequences. A S. cerevisiae strain KSY1 (relevant genotype: ura3 leu2 sth1Δ::HIS3 + [pKS2: ARS CEN URA3 STH1]) was transformed with plasmids pKS4 (ARS CEN LEU2 STH1; wild-type), pKS7 (STH1Δ160-232), pKS8 (STH1Δ154-318) and YCplac111 (empty vector), respectively. Strain dilutions were spotted on SCD-Leu (one day) and SCD-Leu + FOA + Ura (counter-selection against rescue plasmid pKS2, two days). FOA, 5-fluoroorotic acid. B Detection of HA-Sth1 variants in strain C13-ABY.S86, transformed with expression plasmids pKS23 (MET25-HA3-STH1), pKS24 (MET25-HA3-STH1Δ160-232) and pKS25 (MET25-HA3-STH1Δ154-318), respectively. In all lanes, 50 µg of total protein were analyzed
Fig. 6 Assay for functional complementation of sth1 mutation by STH1 variants lacking ABD sequences. A S. cerevisiae strain KSY1 (relevant genotype: ura3 leu2 sth1Δ::HIS3 + [pKS2: ARS CEN URA3 STH1]) was transformed with plasmids pKS4 (ARS CEN LEU2 STH1; wild-type), pKS7 (STH1Δ160-232), pKS8 (STH1Δ154-318) and YCplac111 (empty vector), respectively. Strain dilutions were spotted on SCD-Leu (one day) and SCD-Leu + FOA + Ura (counter-selection against rescue plasmid pKS2, two days). FOA, 5-fluoroorotic acid. B Detection of HA-Sth1 variants in strain C13-ABY.S86, transformed with expression plasmids pKS23 (MET25-HA3-STH1), pKS24 (MET25-HA3-STH1Δ160-232) and pKS25 (MET25-HA3-STH1Δ154-318), respectively. In all lanes, 50 µg of total protein were analyzedCC BY · PubMed Central
Fig. 7 Functional analysis of missense variants introduced into the ABD of Sth1. A Comparative interaction studies of Ino2 TAD1 and variants of the Sth1 activator binding domain. Fusion protein GST-Ino2 (TAD1) was incubated with bacterial protein extracts containing epitope-tagged Sth1 (plasmid pMiM4, encoding wild-type aa 160–270) as well as variants R198A I199A (pLT3), R202A I203A (pLT2), N212A L213A (pLT4) and N212A L213A G214A T215A Y216A S217A L218A (pLT5). Input samples are shown in lanes 1 (wild-type, wild-type) and lanes 5 (mutant variant, Mut). Pull-down (PD) experiments were analyzed in lanes 2 (wild-type) and lanes 4 (mutant variant). B Plasmid shuffling experiments with STH1 wild-type and missense variants encoding full-length proteins. S. cerevisiae strain KSY1 was transformed with plasmids pKS4 (ARS CEN LEU2 STH1; wild-type), pECW76 (R198A I199A), pECW77 (R202A I203A), pECW78 (N212A L213A), pECW79 (R198A I199A N212A L213A), pECW80 (N212A L213A G214A T215A Y216A S217A L218A) and YCplac111 (empty vector), respectively. Strain dilutions were spotted on SCD-Leu (one day) and SCD-Leu + FOA + Ura (counter-selection against rescue plasmid pKS2, two days). FOA, 5-fluoroorotic acid
Fig. 7 Functional analysis of missense variants introduced into the ABD of Sth1. A Comparative interaction studies of Ino2 TAD1 and variants of the Sth1 activator binding domain. Fusion protein GST-Ino2 (TAD1) was incubated with bacterial protein extracts containing epitope-tagged Sth1 (plasmid pMiM4, encoding wild-type aa 160–270) as well as variants R198A I199A (pLT3), R202A I203A (pLT2), N212A L213A (pLT4) and N212A L213A G214A T215A Y216A S217A L218A (pLT5). Input samples are shown in lanes 1 (wild-type, wild-type) and lanes 5 (mutant variant, Mut). Pull-down (PD) experiments were analyzed in lanes 2 (wild-type) and lanes 4 (mutant variant). B Plasmid shuffling experiments with STH1 wild-type and missense variants encoding full-length proteins. S. cerevisiae strain KSY1 was transformed with plasmids pKS4 (ARS CEN LEU2 STH1; wild-type), pECW76 (R198A I199A), pECW77 (R202A I203A), pECW78 (N212A L213A), pECW79 (R198A I199A N212A L213A), pECW80 (N212A L213A G214A T215A Y216A S217A L218A) and YCplac111 (empty vector), respectively. Strain dilutions were spotted on SCD-Leu (one day) and SCD-Leu + FOA + Ura (counter-selection against rescue plasmid pKS2, two days). FOA, 5-fluoroorotic acidCC BY · PubMed Central
Fig. 8 Ino80 interacts with various activation domains in vitro. A GST pull-down assays with Ino2 activation domains and full-length Ino80 synthesized in yeast (aa 1–1489, expression plasmid pRE82). B Mapping of Ino80 domains interacting with TAD1 of Ino2. Yeast and E. coli expression plasmids pECW38 (aa 1–670, S.c.), pMiM1 (aa 1–670, E.c.), pMM5 (aa 1–620, S.c.), pMM6 (aa 1–570, S.c.), pECW70 (aa 455–620, S.c.), pECW73 (aa 455–620, E.c.) and pECW72 (aa 470–620, S.c.) were used to synthesize HA-Ino80 length variants. DBINO, DNA-binding domain of Ino80. C TADs of various unrelated transcriptional activators interact with Ino80. GST fusions of Ino2 TAD1, Ino2 TAD2, Gal4 TAD Gcn4 TAD, Leu3 TAD, Rap1 TAD, Aro80 TAD and Swi5 TAD were synthesized in E. coli, immobilized on GSH sepharose and incubated with bacterial protein extract containing epitope-tagged Ino80 length variant aa 1–670 (pMiM1). Empty GST plasmid pGEX-2TK was used as a negative control
Fig. 8 Ino80 interacts with various activation domains in vitro. A GST pull-down assays with Ino2 activation domains and full-length Ino80 synthesized in yeast (aa 1–1489, expression plasmid pRE82). B Mapping of Ino80 domains interacting with TAD1 of Ino2. Yeast and E. coli expression plasmids pECW38 (aa 1–670, S.c.), pMiM1 (aa 1–670, E.c.), pMM5 (aa 1–620, S.c.), pMM6 (aa 1–570, S.c.), pECW70 (aa 455–620, S.c.), pECW73 (aa 455–620, E.c.) and pECW72 (aa 470–620, S.c.) were used to synthesize HA-Ino80 length variants. DBINO, DNA-binding domain of Ino80. C TADs of various unrelated transcriptional activators interact with Ino80. GST fusions of Ino2 TAD1, Ino2 TAD2, Gal4 TAD Gcn4 TAD, Leu3 TAD, Rap1 TAD, Aro80 TAD and Swi5 TAD were synthesized in E. coli, immobilized on GSH sepharose and incubated with bacterial protein extract containing epitope-tagged Ino80 length variant aa 1–670 (pMiM1). Empty GST plasmid pGEX-2TK was used as a negative controlCC BY · PubMed Central
Fig. 9 Assay for functional complementation of an ino80 null mutation by INO80 variant lacking the activator binding domain (ABD). A S. cerevisiae strain YAB1 (relevant genotype: ura3 ino80Δ::kanMX) was transformed with plasmids pRE49 (ARS CEN URA3 INO80; wild-type), pECW74 (INO80Δ455-620) and YCplac33 (empty vector), respectively. Serial dilutions of transformants were spotted on the media shown and incubated for one (SCD-Ura + IC), two (SCD-Ino) or three days (SCEth + IC). IC, inositol + choline; Ino, inositol; Eth, ethanol. B Detection of HA-Ino80 variant in strain C13-ABY.S86, transformed with expression plasmids pRE82 (MET25-HA3-INO80) and pECW75 (MET25-HA3-INO80Δ455-620), respectively. In all lanes, 50 µg of total protein were analyzed
Fig. 9 Assay for functional complementation of an ino80 null mutation by INO80 variant lacking the activator binding domain (ABD). A S. cerevisiae strain YAB1 (relevant genotype: ura3 ino80Δ::kanMX) was transformed with plasmids pRE49 (ARS CEN URA3 INO80; wild-type), pECW74 (INO80Δ455-620) and YCplac33 (empty vector), respectively. Serial dilutions of transformants were spotted on the media shown and incubated for one (SCD-Ura + IC), two (SCD-Ino) or three days (SCEth + IC). IC, inositol + choline; Ino, inositol; Eth, ethanol. B Detection of HA-Ino80 variant in strain C13-ABY.S86, transformed with expression plasmids pRE82 (MET25-HA3-INO80) and pECW75 (MET25-HA3-INO80Δ455-620), respectively. In all lanes, 50 µg of total protein were analyzedCC BY · PubMed Central
Fig. 10 Structural model of RSC based on cryo-EM analysis of Patel et al. (2019). A View of entire RSC complex (PBD: 6V92) with functional and structural domains of Sth1 depicted in different colours: DNA of the nucleosome (orange), Sth1 (blue), ABD as defined by in vitro interaction experiments (aa 160–232, purple), core region of ABD as defined by mutational analysis (aa 200–218, green). B Enlarged display of ABD and its core region
Fig. 10 Structural model of RSC based on cryo-EM analysis of Patel et al. (2019). A View of entire RSC complex (PBD: 6V92) with functional and structural domains of Sth1 depicted in different colours: DNA of the nucleosome (orange), Sth1 (blue), ABD as defined by in vitro interaction experiments (aa 160–232, purple), core region of ABD as defined by mutational analysis (aa 200–218, green). B Enlarged display of ABD and its core regionCC BY · PubMed Central

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Metadata

Authors
Wendegatz, E.-C., Engelhardt, M., & Schüller, H.-J.
Affiliations
Universität Greifswald (DE)
Corresponding author
Schüller, Hans-Joachim
ORCID
Schüller, Hans-Joachim
Venue
Current Genetics
Publisher
Springer Science and Business Media LLC
Published
2024-06-27
Volume
70
Issue
1
Pages
15-15
ISSN
0172-8083 (ISSN-L)
DOI
10.21203/rs.3.rs-4564265/v1
PMC
PMC11377671
OpenAlex
W4402282790
Cited by
3
References
1
Citations by year
2026: 1 · 2025: 2
FWCI
0.41
Type
journal article
Language
en
Open access
Licence
Locations
  • Current Genetics (publishedVersion, cc-by)
  • Research Square (acceptedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
Universität Greifswald
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
Keywords
chromatin remodeling complexes, SWI/SNF complex, RSC, INO80 complex, transactivation domain, ATPase subunits, Swi1, SMARCB1, INO2, nucleosome positioning, actin-related proteins, Saccharomyces cerevisiae
MeSH terms
Protein Domains, Adenosine Triphosphatases, Chromosomal Proteins, Non-Histone, DNA-Binding Proteins, Nuclear Proteins, Protein Binding, Saccharomyces cerevisiae, Transcription Factors, Transcriptional Activation, Gene Expression Regulation, Fungal, Cell Cycle Proteins, Saccharomyces cerevisiae Proteins, Chromatin Assembly and Disassembly, Basic Helix-Loop-Helix Proteins

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CoChat. (2026). Citation check: Transcriptional activation domains interact with ATPase subunits of yeast chromatin remodelling complexes SWI/SNF, RSC and INO80. https://app.cochat.ai/papers/10.21203/rs.3.rs-4564265/v1
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Wendegatz, E.-C., Engelhardt, M., & Schüller, H.-J. (2024). Transcriptional activation domains interact with ATPase subunits of yeast chromatin remodelling complexes SWI/SNF, RSC and INO80. Current Genetics. https://doi.org/10.21203/rs.3.rs-4564265/v1