PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34203110-4 2021 Recent experiments have shown that the HP1a sequence of Drosophila melanogaster can undergo liquid-liquid phase separation under both in vitro and in vivo conditions, induced by changes of the monovalent salt concentration. Salts 204-208 Suppressor of variegation 205 Drosophila melanogaster 39-43 34203110-5 2021 While the phase separation of HP1a is thought to be the mechanism underlying chromatin compartmentalization, the molecular level mechanistic picture of salt-driven phase separation of HP1a has remained poorly understood. Salts 152-156 Suppressor of variegation 205 Drosophila melanogaster 184-188 34203110-6 2021 The disordered hinge region of HP1a is seen as the driver of salt-induced condensation because of its charge enriched sequence and post-translational modifications. Salts 61-65 Suppressor of variegation 205 Drosophila melanogaster 31-35 34203110-7 2021 Here, we set out to decipher the mechanisms of salt-induced condensation of HP1a through a systematic study of salt-dependent conformations of single chains and fuzzy dimers of disordered HP1a hinge sequences. Salts 47-51 Suppressor of variegation 205 Drosophila melanogaster 76-80 34203110-7 2021 Here, we set out to decipher the mechanisms of salt-induced condensation of HP1a through a systematic study of salt-dependent conformations of single chains and fuzzy dimers of disordered HP1a hinge sequences. Salts 47-51 Suppressor of variegation 205 Drosophila melanogaster 188-192 34203110-7 2021 Here, we set out to decipher the mechanisms of salt-induced condensation of HP1a through a systematic study of salt-dependent conformations of single chains and fuzzy dimers of disordered HP1a hinge sequences. Salts 111-115 Suppressor of variegation 205 Drosophila melanogaster 76-80 34203110-10 2021 Furthermore, we find that salt-induced changes in the ensemble of conformations of HP1a disordered hinge sequence fine-tune the inter-chain vs. self-chain interactions in ways that favor fuzzy dimer formation under low salt conditions in the agreement with condensation trends seen in experiments. Salts 26-30 Suppressor of variegation 205 Drosophila melanogaster 83-87 34203110-10 2021 Furthermore, we find that salt-induced changes in the ensemble of conformations of HP1a disordered hinge sequence fine-tune the inter-chain vs. self-chain interactions in ways that favor fuzzy dimer formation under low salt conditions in the agreement with condensation trends seen in experiments. Salts 219-223 Suppressor of variegation 205 Drosophila melanogaster 83-87