2024-12-11 REL RCSB RCSB RCSB 2024-03-18 2024-11-27 2024-11-27 2024-12-11 National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R35GM141461 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R01GM069909 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) T32GM008203 United States Welch Foundation I-1532 United States Cancer Prevention and Research Institute of Texas (CPRIT) RP220582 United States Cryo-EM structure of yeast (Nap1)2-Kap114-H2A-H2B Jiou J Fung HYJ Chook YM Histone, Chaperone, Import, Nucleosome Assembly, TRANSPORT PROTEIN Fung HYJ Jiou J Niesman AB Bernardes NE Chook YM Nap1 and Kap114 co-chaperone H2A-H2B and facilitate targeted histone release in the nucleus. J.Cell Biol. US 224 2025 39601790 doi:10.1083/jcb.202408193 1540-8140 2019 JCLBA3 EMD-44121 focused EM volume
Local refined map for Nap1 region.
 EMD-44122 consensus EM volume
Consensus volume for (Nap1)2-Kap114-H2A-H2B
 9b31 FULLOVERLAP Crosslinked mixture of Kap114 with Nap1 and H2A-H2B Crosslinked mixture of Kap114 with Nap1 and H2A-H2B 0 1 2 3 4
Nap1 and H2A-H2B were pre-complexed with excess histones, and Kap114 was added before mild crosslinking and SEC separation.
Saccharomyces cerevisiae 0.072 KAP114 isoform 1 Saccharomyces cerevisiae 0.114422055 1 Escherichia coli LEVO GGSGGSMDINELIIGAQSADKHTREVAETQLLQWCDSDASQVFKALANVALQHEASLESRQFALLSLRKLITMYWSPGFE SYRSTSNVEIDVKDFIREVLLKLCLNDNENTKIKNGASYCIVQISAVDFPDQWPQLLTVIYDAISHQHSLNAMSLLNEIY DDVVSEEMFFEGGIGLATMEIVFKVLNTETSTLIAKIAALKLLKACLLQMSSHNEYDEASRKSFVSQCLATSLQILGQLL TLNFGNVDVISQLKFKSIIYENLVFIKNDFSRKHFSSELQKQFKIMAIQDLENVTHINANVETTESEPLLETVHDCSIYI VEFLTSVCTLQFSVEEMNKIITSLTILCQLSSETREIWTSDFNTFVSKETGLAASYNVRDQANEFFTSLPNPQLSLIFKV VSNDIEHSTCNYSTLESLLYLLQCILLNDDEITGENIDQSLQILIKTLENILVSQEIPELILARAILTIPRVLDKFIDAL PDIKPLTSAFLAKSLNLALKSDKELIKSATLIAFTYYCYFAELDSVLGPEVCSETQEKVIRIINQVSSDAEEDTNGALME VLSQVISYNPKEPHSRKEILQAEFHLVFTISSEDPANVQVVVQSQECLEKLLDNINMDNYKNYIELCLPSFINVLDSNNA NNYRYSPLLSLVLEFITVFLKKKPNDGFLPDEINQYLFEPLAKVLAFSTEDETLQLATEAFSYLIFNTDTRAMEPRLMDI MKVLERLLSLEVSDSAAMNVGPLVVAIFTRFSKEIQPLIGRILEAVVVRLIKTQNISTEQNLLSVLCFLTCNDPKQTVDF LSSFQIDNTDALTLVMRKWIEAFEVIRGEKRIKENIVALSNLFFLNDKRLQKVVVNGNLIPYEGDLIITRSMAKKMPDRY VQVPLYTKIIKLFVSELSFQSKQPNPEQLITSDIKQEVVNANKDDDNDDWEDVDDVLDYDKLKEYIDDDVDEEADDDSDD ITGLMDVKESVVQLLVRFFKEVASKDVSGFHCIYETLSDSERKVLSEALL A0A8H4BZV8 Histone H2A Saccharomyces cerevisiae 0.013881979999999999 1 Escherichia coli LEVO SGGKGGKAGSAAKASQSRSAKAGLTFPVGRVHRLLRRGNYAQRIGSGAPVYLTAVLEYLAAEILELAGNAARDNKKTRII PRHLQLAIRNDDELNKLLGNVTIAQGGVLPNIHQNLLPKKSAKTAKASQEL A0A6A5Q402 Histone H2B Saccharomyces cerevisiae 0.014133145 1 Escherichia coli LEVO SSAAEKKPASKAPAEKKPAAKKTSTSVDGKKRSKVRKETYSSYIYKVLKQTHPDTGISQKSMSILNSFVNDIFERIATEA SKLAAYNKKSTISAREIQTAVRLILPGELAKHAVSEGTRAVTKYSSSTQA A0A6A5Q1U6 NAP1 isoform 1 Saccharomyces cerevisiae 0.036182355 2 Escherichia coli LEVO MGSSHHHHHHSSGLVPRGSHMLGSLVGQDSGYVGGLPKNVKEKLLSLKTLQSELFEVEKEFQVEMFELENKFLQKYKPIW EQRSRIISGQEQPKPEQIAKGQEIVESLNETELLVDEEEKAQNDSEEEQVKGIPSFWLTALENLPIVCDTITDRDAEVLE YLQDIGLEYLTDGRPGFKLLFRFDSSANPFFTNDILCKTYFYQKELGYSGDFIYDHAEGCEISWKDNAHNVTVDLEMRKQ RNKTTKQVRTIEKITPIESFFNFFDPPKIQNEDQDEELEEDLEERLALDYSIGEQLKDKLIPRAVDWFTGAAL A0A8H4BY55 singleParticle particle 1.2 7.4 20.0 Tris 150.0 NaCl sodium chloride 2.0 TCEP 0.003125 Triton X-100 Quantifoil COPPER CARBON HOLEY ETHANE 95 280 FEI VITROBOT MARK IV
Crosslinked sample.
 FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 0.9 2.4 105000.0 FEI TITAN KRIOS AUTOGRID HOLDER 20 GATAN K3 (6k x 4k) 1 1080 5.4 59.0 1 4314112
Blob picking on 100 micrographs and then further template picking.
Ab-initio reconstruction.
 3.2 FSC 0.143 CUT-OFF cryoSPARC
Composite map was generated by first multiplying the mask used for particle subtraction with the consensus volume (vop multiply), and then composited with the locally refined map covering Nap1 region by vop maximum in ChimeraX.
148410 MAXIMUM LIKELIHOOD cryoSPARC MAXIMUM LIKELIHOOD cryoSPARC cryoSPARC emd_44120.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 480 480 480 0 0 0 480 480 480 398.4 398.4 398.4 90.0 90.0 90.0 X Y Z -0.1466796 0.58191586 0.0006120962 0.008269151 0.83 0.83 0.83 0.07 AUTHOR Composite map of consensus and locally refined map for Nap1. AlphaFold in silico model
AlphaFold Multimer was used to generate initial model.
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