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-Structure paper
| タイトル | Steric occlusion regulates proximal interactions of acyl carrier protein domain in fungal fatty acid synthase. |
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| ジャーナル・号・ページ | Commun Biol, Vol. 3, Issue 1, Page 274, Year 2020 |
| 掲載日 | 2020年5月29日 |
著者 | Jennifer W Lou / Mohammad T Mazhab-Jafari / ![]() |
| PubMed 要旨 | The acyl carrier protein (ACP) domain shuttles substrates and reaction intermediates in type I fungal fatty acid synthases via transient protein-protein interactions. Here, using electron cryo- ...The acyl carrier protein (ACP) domain shuttles substrates and reaction intermediates in type I fungal fatty acid synthases via transient protein-protein interactions. Here, using electron cryo-microscopy (cryoEM), we report the structure of a fungal FAS stalled at the dehydration reaction, which precedes the final enoyl reduction in the fatty acid biosynthesis cycle. This conformation revealed multiple contact sites between ACP and the dehydratase (DH) and enoyl reductase (ER) domains that occluded the ACP binding to the adjacent ER domain. Our data suggests a minimal path from the DH to the ER reaction site that requires minute changes in the coordinates of the structured N- and C- termini of the ACP domain. |
リンク | Commun Biol / PubMed:32471977 / PubMed Central |
| 手法 | EM (単粒子) |
| 解像度 | 5.8 Å |
| 構造データ | EMDB-21602, PDB-6wc7: |
| 由来 |
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キーワード | TRANSFERASE / Fatty acid synthase / acyl carrier protein / dehydratase / BIOSYNTHETIC PROTEIN |
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