Science - USA (2022-06-03)
loops were not defined in the electron density [Fig. 5C(ii) and fig. S15, D and E]. Moreover, His49 (the equivalent ofPf YRS His ...
MEMBRANES Rational design of mixed-matrix metal-organic framework membranes for molecular separations Shuvo Jit Datta1,2, Alvaro ...
accessible to only relatively small gas mole- cules (e.g., He, H 2 ,CO 2 ,O 2 ,H 2 S, N 2 , etc.). Synthesis and characterizatio ...
separation of≈6.91 Å, consistent with the dis- tance between adjacent inorganic extended chains (columns) formed by–F–Ni–F–Al–F– ...
because the agglomeration, sedimentation, and random orientation of nanosheets within the polymer matrix is circumvented at high ...
fig. S22). Nanosheets proffered smooth and extended external surface area compared with nanoparticles, which promoted inter- act ...
(001) nanosheets provides better mechan- ical properties of nanosheet-incorporated membranes. The gas separation performances of ...
in CO 2 permeability of 355% and CO 2 /CH 4 selectivity of 470% compared with the pure 6FDA-DAM-DAT polymer, even at 100°C and u ...
G. Liuet al., Angew.Chem.Int.Ed. 57 , 14811– 14816 (2018). 39.M.Z.Ahmadet al., Separ. Purif. Tech. 230 , 115858 (2020). R. W. B ...
DYNAMIC GENOME A hold-and-feed mechanism drives directional DNA loop extrusion by condensin Indra A. Shaltiel1,2, Sumanjit Datta ...
Together, these results suggest either that DNA can enter the SMC–kleisin ring through redundant interfaces when one interface h ...
time by opening chambers either individually or in combination with site-specific TEV cleav- age: Whereas opening individual cha ...
side of its HEAT-repeat solenoid (fig. S15A). Homologous DNA interactions are also con- served for cohesin ( 15 – 17 ). We confi ...
Taken together, our cryo-EM structures in conjunction with biochemical mapping reveal a concerted opening of the coiled coils fr ...
ruptured spontaneously was in most cases (55 of 59 dissolved loops) retained where loop ex- trusion had originated and in the re ...
loop extrusion direction is hence not simple backtracking of condensin’s motor entity. It can also not be explained by the actio ...
J. E. Collieret al., eLife 9 , e59560 (2020). M. Hassleret al., Mol. Cell 74 , 1175–1188.e9 (2019). T. R. Beattie, S. D. Bell,C ...
CONSERVATION The minimum land area requiring conservation attention to safeguard biodiversity James R. Allan1,2*, Hugh P. Possin ...
other land management strategies. Rather, we argue that it should be managed through a wide range of strategies for species and ...
among nations (Fig. 3), with notably high values in Canada (84%), largely because of its extensive ecologically intact areas, an ...
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