ジャーナル: Biomacromolecules / 年: 2021 タイトル: Structure of a Minimal α-Carboxysome-Derived Shell and Its Utility in Enzyme Stabilization. 著者: Yong Quan Tan / Samson Ali / Bo Xue / Wei Zhe Teo / Lay Hiang Ling / Maybelle Kho Go / Hong Lv / Robert C Robinson / Akihiro Narita / Wen Shan Yew / 要旨: Bacterial microcompartments are proteinaceous shells that encase specialized metabolic processes in bacteria. Recent advances in simplification of these intricate shells have encouraged ...Bacterial microcompartments are proteinaceous shells that encase specialized metabolic processes in bacteria. Recent advances in simplification of these intricate shells have encouraged bioengineering efforts. Here, we construct minimal shells derived from the α-carboxysome, which we term Cso-shell. Using cryogenic electron microscopy, the atomic-level structures of two shell forms were obtained, reinforcing notions of evolutionarily conserved features in bacterial microcompartment shell architecture. Encapsulation peptide sequences that facilitate loading of heterologous protein cargo within the shells were identified. We further provide a first demonstration in utilizing minimal bacterial microcompartment-derived shells for hosting heterologous enzymes. Cso-shells were found to stabilize enzymatic activities against heat shock, presence of methanol co-solvent, consecutive freeze-thawing, and alkaline environments. This study yields insights into α-carboxysome assembly and advances the utility of synthetic bacterial microcompartments as nanoreactors capable of stabilizing enzymes with varied properties and reaction chemistries.
#165 - 2013年9月 人工設計されたタンパク質製の籠 (Designed Protein Cages) 類似性 (4)
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集合体
登録構造単位
AA: Unidentified carboxysome polypeptide BA: Major carboxysome shell protein 1A CA: Major carboxysome shell protein 1A DA: Major carboxysome shell protein 1A AB: Unidentified carboxysome polypeptide BB: Major carboxysome shell protein 1A CB: Major carboxysome shell protein 1A DB: Major carboxysome shell protein 1A AC: Unidentified carboxysome polypeptide BC: Major carboxysome shell protein 1A CC: Major carboxysome shell protein 1A DC: Major carboxysome shell protein 1A AD: Unidentified carboxysome polypeptide BD: Major carboxysome shell protein 1A CD: Major carboxysome shell protein 1A DD: Major carboxysome shell protein 1A AE: Unidentified carboxysome polypeptide BE: Major carboxysome shell protein 1A CE: Major carboxysome shell protein 1A DE: Major carboxysome shell protein 1A AF: Unidentified carboxysome polypeptide BF: Major carboxysome shell protein 1A CF: Major carboxysome shell protein 1A DF: Major carboxysome shell protein 1A AG: Unidentified carboxysome polypeptide BG: Major carboxysome shell protein 1A CG: Major carboxysome shell protein 1A DG: Major carboxysome shell protein 1A AH: Unidentified carboxysome polypeptide BH: Major carboxysome shell protein 1A CH: Major carboxysome shell protein 1A DH: Major carboxysome shell protein 1A AI: Unidentified carboxysome polypeptide BI: Major carboxysome shell protein 1A CI: Major carboxysome shell protein 1A DI: Major carboxysome shell protein 1A AJ: Unidentified carboxysome polypeptide BJ: Major carboxysome shell protein 1A CJ: Major carboxysome shell protein 1A DJ: Major carboxysome shell protein 1A AK: Unidentified carboxysome polypeptide BK: Major carboxysome shell protein 1A CK: Major carboxysome shell protein 1A DK: Major carboxysome shell protein 1A AL: Unidentified carboxysome polypeptide BL: Major carboxysome shell protein 1A CL: Major carboxysome shell protein 1A DL: Major carboxysome shell protein 1A AM: Unidentified carboxysome polypeptide BM: Major carboxysome shell protein 1A CM: Major carboxysome shell protein 1A DM: Major carboxysome shell protein 1A AN: Unidentified carboxysome polypeptide BN: Major carboxysome shell protein 1A CN: Major carboxysome shell protein 1A DN: Major carboxysome shell protein 1A AO: Unidentified carboxysome polypeptide BO: Major carboxysome shell protein 1A CO: Major carboxysome shell protein 1A DO: Major carboxysome shell protein 1A AP: Unidentified carboxysome polypeptide BP: Major carboxysome shell protein 1A CP: Major carboxysome shell protein 1A DP: Major carboxysome shell protein 1A AQ: Unidentified carboxysome polypeptide BQ: Major carboxysome shell protein 1A CQ: Major carboxysome shell protein 1A DQ: Major carboxysome shell protein 1A AR: Unidentified carboxysome polypeptide BR: Major carboxysome shell protein 1A CR: Major carboxysome shell protein 1A DR: Major carboxysome shell protein 1A AS: Unidentified carboxysome polypeptide BS: Major carboxysome shell protein 1A CS: Major carboxysome shell protein 1A DS: Major carboxysome shell protein 1A AT: Unidentified carboxysome polypeptide BT: Major carboxysome shell protein 1A CT: Major carboxysome shell protein 1A DT: Major carboxysome shell protein 1A AV: Unidentified carboxysome polypeptide BV: Major carboxysome shell protein 1A CV: Major carboxysome shell protein 1A DV: Major carboxysome shell protein 1A AW: Unidentified carboxysome polypeptide BW: Major carboxysome shell protein 1A CW: Major carboxysome shell protein 1A DW: Major carboxysome shell protein 1A AX: Unidentified carboxysome polypeptide BX: Major carboxysome shell protein 1A CX: Major carboxysome shell protein 1A DX: Major carboxysome shell protein 1A AY: Unidentified carboxysome polypeptide BY: Major carboxysome shell protein 1A CY: Major carboxysome shell protein 1A DY: Major carboxysome shell protein 1A AZ: Unidentified carboxysome polypeptide BZ: Major carboxysome shell protein 1A CZ: Major carboxysome shell protein 1A DZ: Major carboxysome shell protein 1A Aa: Unidentified carboxysome polypeptide Ba: Major carboxysome shell protein 1A Ca: Major carboxysome shell protein 1A Da: Major carboxysome shell protein 1A Ab: Unidentified carboxysome polypeptide Bb: Major carboxysome shell protein 1A Cb: Major carboxysome shell protein 1A Db: Major carboxysome shell protein 1A Ac: Unidentified carboxysome polypeptide Bc: Major carboxysome shell protein 1A Cc: Major carboxysome shell protein 1A Dc: Major carboxysome shell protein 1A Ad: Unidentified carboxysome polypeptide Bd: Major carboxysome shell protein 1A Cd: Major carboxysome shell protein 1A Dd: Major carboxysome shell protein 1A Ae: Unidentified carboxysome polypeptide Be: Major carboxysome shell protein 1A Ce: Major carboxysome shell protein 1A De: Major carboxysome shell protein 1A Af: Unidentified carboxysome polypeptide Bf: Major carboxysome shell protein 1A Cf: Major carboxysome shell protein 1A Df: Major carboxysome shell protein 1A Ag: Unidentified carboxysome polypeptide Bg: Major carboxysome shell protein 1A Cg: Major carboxysome shell protein 1A Dg: Major carboxysome shell protein 1A Ah: Unidentified carboxysome polypeptide Bh: Major carboxysome shell protein 1A Ch: Major carboxysome shell protein 1A Dh: Major carboxysome shell protein 1A Ai: Unidentified carboxysome polypeptide Bi: Major carboxysome shell protein 1A Ci: Major carboxysome shell protein 1A Di: Major carboxysome shell protein 1A Aj: Unidentified carboxysome polypeptide Bj: Major carboxysome shell protein 1A Cj: Major carboxysome shell protein 1A Dj: Major carboxysome shell protein 1A Ak: Unidentified carboxysome polypeptide Bk: Major carboxysome shell protein 1A Ck: Major carboxysome shell protein 1A Dk: Major carboxysome shell protein 1A Al: Unidentified carboxysome polypeptide Bl: Major carboxysome shell protein 1A Cl: Major carboxysome shell protein 1A Dl: Major carboxysome shell protein 1A Am: Unidentified carboxysome polypeptide Bm: Major carboxysome shell protein 1A Cm: Major carboxysome shell protein 1A Dm: Major carboxysome shell protein 1A An: Unidentified carboxysome polypeptide Bn: Major carboxysome shell protein 1A Cn: Major carboxysome shell protein 1A Dn: Major carboxysome shell protein 1A Ao: Unidentified carboxysome polypeptide Bo: Major carboxysome shell protein 1A Co: Major carboxysome shell protein 1A Do: Major carboxysome shell protein 1A Ap: Unidentified carboxysome polypeptide Bp: Major carboxysome shell protein 1A Cp: Major carboxysome shell protein 1A Dp: Major carboxysome shell protein 1A Aq: Unidentified carboxysome polypeptide Bq: Major carboxysome shell protein 1A Cq: Major carboxysome shell protein 1A Dq: Major carboxysome shell protein 1A Ar: Unidentified carboxysome polypeptide Br: Major carboxysome shell protein 1A Cr: Major carboxysome shell protein 1A Dr: Major carboxysome shell protein 1A As: Unidentified carboxysome polypeptide Bs: Major carboxysome shell protein 1A Cs: Major carboxysome shell protein 1A Ds: Major carboxysome shell protein 1A At: Unidentified carboxysome polypeptide Bt: Major carboxysome shell protein 1A Ct: Major carboxysome shell protein 1A Dt: Major carboxysome shell protein 1A Av: Unidentified carboxysome polypeptide Bv: Major carboxysome shell protein 1A Cv: Major carboxysome shell protein 1A Dv: Major carboxysome shell protein 1A Aw: Unidentified carboxysome polypeptide Bw: Major carboxysome shell protein 1A Cw: Major carboxysome shell protein 1A Dw: Major carboxysome shell protein 1A Ax: Unidentified carboxysome polypeptide Bx: Major carboxysome shell protein 1A Cx: Major carboxysome shell protein 1A Dx: Major carboxysome shell protein 1A Ay: Unidentified carboxysome polypeptide By: Major carboxysome shell protein 1A Cy: Major carboxysome shell protein 1A Dy: Major carboxysome shell protein 1A Az: Unidentified carboxysome polypeptide Bz: Major carboxysome shell protein 1A Cz: Major carboxysome shell protein 1A Dz: Major carboxysome shell protein 1A A0: Unidentified carboxysome polypeptide B0: Major carboxysome shell protein 1A C0: Major carboxysome shell protein 1A D0: Major carboxysome shell protein 1A A1: Unidentified carboxysome polypeptide B1: Major carboxysome shell protein 1A C1: Major carboxysome shell protein 1A D1: Major carboxysome shell protein 1A A2: Unidentified carboxysome polypeptide B2: Major carboxysome shell protein 1A C2: Major carboxysome shell protein 1A D2: Major carboxysome shell protein 1A A3: Unidentified carboxysome polypeptide B3: Major carboxysome shell protein 1A C3: Major carboxysome shell protein 1A D3: Major carboxysome shell protein 1A A4: Unidentified carboxysome polypeptide B4: Major carboxysome shell protein 1A C4: Major carboxysome shell protein 1A D4: Major carboxysome shell protein 1A A5: Unidentified carboxysome polypeptide B5: Major carboxysome shell protein 1A C5: Major carboxysome shell protein 1A D5: Major carboxysome shell protein 1A A6: Unidentified carboxysome polypeptide B6: Major carboxysome shell protein 1A C6: Major carboxysome shell protein 1A D6: Major carboxysome shell protein 1A A7: Unidentified carboxysome polypeptide B7: Major carboxysome shell protein 1A C7: Major carboxysome shell protein 1A D7: Major carboxysome shell protein 1A A8: Unidentified carboxysome polypeptide B8: Major carboxysome shell protein 1A C8: Major carboxysome shell protein 1A D8: Major carboxysome shell protein 1A A9: Unidentified carboxysome polypeptide B9: Major carboxysome shell protein 1A C9: Major carboxysome shell protein 1A D9: Major carboxysome shell protein 1A