2024-12-11 REL RCSB RCSB RCSB 2024-03-19 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 and H2A-H2B region in (Nap1)2-H2A-H2B-Kap114-RanGTP structure Fung HYJ Jiou J 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-44141 other EM volume
Cryo-EM structure of yeast (Nap1)2-H2A-H2B-Kap114-RanGTP Composite map using this local map.
 EMD-44151 consensus EM volume
Consensus volume for (Nap1)2-H2A-H2B-Kap114-RanGTP
 Complex of Kap114 bound to Ran GTPase Gsp1, H2A-H2B and Nap1 Complex of Kap114 bound to Ran GTPase Gsp1, H2A-H2B and Nap1 0 1 2 3 4 5 6
Complex was formed and dialyzed overnight, then mildly crosslinked and separated by size-exclusion chromatography.
Saccharomyces cerevisiae singleParticle particle 1.5 7.4 20.0 Tris 150.0 NaCl sodium chloride 2.0 TCEP 0.003125 Tyloxapol Quantifoil R2/1 COPPER 300 CARBON HOLEY GLOW DISCHARGE ETHANE 95 280 FEI VITROBOT MARK IV
Crosslinked sample.
 FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 0.9 2.2 165000.0 FEI TITAN KRIOS AUTOGRID HOLDER 20 FEI FALCON IV (4k x 4k) 1 9331 3.6 50.0 1 1381753
Blob picker then followed by Topaz picking.
Ab-initio reconstruction.
 3.97 FSC 0.143 CUT-OFF cryoSPARC
Particle subtraction was performed with a mask covering RanGTP and Kap114, and local refinement was performed for Nap1 and H2A-H2B bound region.
133516 MAXIMUM LIKELIHOOD cryoSPARC MAXIMUM LIKELIHOOD cryoSPARC cryoSPARC emd_44150.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 512 512 512 0 0 0 512 512 512 377.856 377.856 377.856 90.0 90.0 90.0 X Y Z -0.07694944 0.7004651 -0.0000984606 0.0022822989 0.738 0.738 0.738 0.0126 AUTHOR Local refined map for Nap1 and H2A-H2B region. emd_44150_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 512 512 512 0 0 0 512 512 512 377.856 377.856 377.856 90.0 90.0 90.0 X Y Z -0.102022335 0.7112694 -0.000023619981 0.0032691187 0.738 0.738 0.738 AUTHOR half map B. emd_44150_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 512 512 512 0 0 0 512 512 512 377.856 377.856 377.856 90.0 90.0 90.0 X Y Z -0.055065423 0.7162624 -0.000023641473 0.0032676891 0.738 0.738 0.738 AUTHOR half map A.