Wednesday, August 5, 2015

Nature Structural & Molecular Biology Contents: 2015 Volume #22 pp 587-645

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Nature Structural & Molecular Biology

TABLE OF CONTENTS

August 2015 Volume 22, Issue 8

News and Views
Articles
Brief Communication
Corrigendum
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News and Views

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MCM2 binding to histones H3-H4 and ASF1 supports a tetramer-to-dimer model for histone inheritance at the replication fork   pp587 - 589
Camille Clément and Geneviève Almouzni
doi:10.1038/nsmb.3067
MCM2, a component of the replicative helicase, can bind histones H3-H4 in both tetrameric and dimeric form, depending on the presence of the histone chaperone ASF1. A structural analysis of the complexes now sheds light on key domains in the MCM2 protein that prove important for cell proliferation.

See also: Article by Huang et al.

Articles

Structural basis for plasmepsin V inhibition that blocks export of malaria proteins to human erythrocytes   pp590 - 596
Anthony N Hodder, Brad E Sleebs, Peter E Czabotar, Michelle Gazdik, Yibin Xu ,Matthew T O'Neill, Sash Lopaticki, Thomas Nebl, Tony Triglia, Brian J Smith, Kym Lowes, Justin A Boddey & Alan F Cowman
doi:10.1038/nsmb.3061
Plasmepsin V is an aspartyl protease essential for export of effector proteins to Plasmodium-infected erythrocytes. A new inhibitor blocks plasmepsin V and inhibits parasite growth; it has also allowed solving the structure of P. vivax plasmepsin V.

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Structural basis for the RING-catalyzed synthesis of K63-linked ubiquitin chains   pp597 - 602
Emma Branigan, Anna Plechanovova, Ellis G Jaffray, James H Naismith and Ronald T Hay
doi:10.1038/nsmb.3052
Structural analyses capture RING E3 ligase RNF4 bound to Ube2V2-Ubc13 E2 complex charged with ubiquitin and, along with functional assays, reveal the basis for synthesis of K63-linked chains.

Recognition of microbial glycans by human intelectin-1   pp603 - 610
Darryl A Wesener, Kittikhun Wangkanont, Ryan McBride, Xuezheng Song, Matthew B Kraft,Heather L Hodges, Lucas C Zarling, Rebecca A Splain, David F Smith, Richard D Cummings, James C Paulson, Katrina T Forest & Laura L Kiessling
doi:10.1038/nsmb.3053
Extensive glycan microarray and structural analyses reveal that human intelectin-1 interacts selectively with microbial glycan epitopes through recognition of a terminal 1,2-diol group, an interaction that would be blocked in human glycans such as α-Neu5Ac.

SR protein kinases promote splicing of nonconsensus introns   pp611 - 617
Jesse J Lipp, Michael C Marvin, Kevan M Shokat and Christine Guthrie
doi:10.1038/nsmb.3057
Chemical genetics, proteomics and biochemistry are used to probe the functions of SR protein kinases. An identified target of Dsk1 is spliceosomal protein Bpb1 (SF1), whose phosphorylation increased its binding to introns with nonconsensus splice sites.

A unique binding mode enables MCM2 to chaperone histones H3-H4 at replication forks   pp618 - 626
Hongda Huang, Caroline B Strømme, Giulia Saredi, Martina Hödl, Anne Strandsby,Cristina González-Aguilera, Shoudeng Chen, Anja Groth & Dinshaw J Patel
doi:10.1038/nsmb.3055
Chromatin reassembly after replication requires recycling of old and deposition of new histones. Structural insights into how MCM2, part of the replicative helicase, interacts with H3-H4 suggest a function in histone recycling at replication forks.

See also: News and Views by Clement & Almouzni

Structure of human ST8SiaIII sialyltransferase provides insight into cell-surface polysialylation   pp627 - 635
Gesa Volkers, Liam J Worrall, David H Kwan, Ching-Ching Yu, Lars Baumann,Emilie Lameignere, Gregory A Wasney, Nichollas E Scott, Warren Wakarchuk, Leonard J Foster, Stephen G Withers & Natalie C J Strynadka
doi:10.1038/nsmb.3060
Structural studies of human polysialyltransferase ST8SialII in apo form and in complex with donor sugar and sulfated glycan acceptor shed light on the substrate binding and specificity as well as the catalytic activity of this class of polysialyltransferases.

Substrate-modulated ADP/ATP-transporter dynamics revealed by NMR relaxation dispersion   pp636 - 641
Sven Brüschweiler, Qin Yang, Changqing Run and James J Chou
doi:10.1038/nsmb.3059
NMR relaxation dispersion measurements reveal the conformational dynamics of the mitochondrial ADP/ATP carrier and show that the ADP substrate facilitates interconversion between the predominant cytosol-facing state and a sparsely populated excited state.

Brief Communication

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The molecular basis for flexibility in the flexible filamentous plant viruses   pp642 - 644
Frank DiMaio, Chun-Chieh Chen, Xiong Yu, Brandon Frenz, Yau-Heiu Hsu,Na-Sheng Lin & Edward H Egelman
doi:10.1038/nsmb.3054
Flexible filamentous plant viruses, which cause substantial crop damage worldwide, have eluded structural characterization so far. The cryo-EM structure of BaMV now reveals the virus architecture and the structural basis of its flexibility.

Corrigendum

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Corrigendum: The zinc-finger domains of PARP1 cooperate to recognize DNA strand breaks   p645
Ammar A E Ali, Gyula Timinszky, Raquel Arribas-Bosacoma, Marek Kozlowski, Paul O Hassa,Markus Hassler, Andreas G Ladurner, Laurence H Pearl & Antony W Oliver
doi:10.1038/nsmb0815-645a

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