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 Local refined map for Nap1 region from (Nap1)2-Kap114-H2A-H2B structure 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-44120 other EM volume
Cryo-EM structure of yeast (Nap1)2-Kap114-H2A-H2B composite map
 EMD-44122 consensus EM volume
Consensus volume for (Nap1)2-Kap114-H2A-H2B
 Crosslinked mixture of Kap114 with Nap1 and H2A-H2B Crosslinked mixture of Kap114 with Nap1 and H2A-H2B 0 1
Nap1 and H2A-H2B were pre-complexed with excess histones, and Kap114 was added before mild crosslinking and SEC separation.
Saccharomyces cerevisiae 0.072 Yeast Nap1 Saccharomyces cerevisiae Escherichia coli LEVO MGSSHHHHHHSSGLVPRGSHMLGSLVGQDSGYVGGLPKNVKEKLLSLKTLQSELFEVEKEFQVEMFELENKFLQKYKPIW EQRSRIISGQEQPKPEQIAKGQEIVESLNETELLVDEEEKAQNDSEEEQVKGIPSFWLTALENLPIVCDTITDRDAEVLE YLQDIGLEYLTDGRPGFKLLFRFDSSANPFFTNDILCKTYFYQKELGYSGDFIYDHAEGCEISWKDNAHNVTVDLEMRKQ RNKTTKQVRTIEKITPIESFFNFFDPPKIQNEDQDEELEEDLEERLALDYSIGEQLKDKLIPRAVDWFTGAAL 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.
 4.84 FSC 0.143 CUT-OFF cryoSPARC
Particle subtraction was performed using mask covering Kap114 and its bound H2A-H2B, and local refinement was performed over the Nap1 region.
148410 MAXIMUM LIKELIHOOD cryoSPARC MAXIMUM LIKELIHOOD cryoSPARC cryoSPARC emd_44121.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 -0.3010523 0.4643329 -0.00023000201 0.0038402732 0.83 0.83 0.83 0.06 AUTHOR Locally refined map for Nap1. emd_44121_half_map_1.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 -0.5545769 0.55000585 -0.000052532458 0.035298347 0.83 0.83 0.83 AUTHOR Half map A. emd_44121_half_map_2.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 -0.4583162 0.5881302 -0.00005555204 0.03437229 0.83 0.83 0.83 AUTHOR Half map B.