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. Author manuscript; available in PMC: 2026 Sep 25.
Published in final edited form as: Mol Cell. 2026 Aug 18;86(17):3431–3448.e9. doi: 10.1016/j.molcel.2026.07.025

KEY RESOURCES TABLE

REAGENT or RESOURCE SOURCE IDENTIFIER
Antibodies
Rabbit anti-SON Custom made against hSON peptide (947–964; Cys-DPYRLGHDPYRLTPDPYR) Pacific Immunology Corp.
Anti-Lamin B1 antibody Abcam ab16048
Anti-MKI67IP antibody Atlas Antibodies HPA035735
GFP Monoclonal Antibody (3E6) ThermoFisher Scientific A-11120
Anti-RNA Pol II Ser5P monoclonal antibody, clone CTD4H8 Millipore-Sigma 05-623
Acetyl-Histone H3 (Lys27) (D5E4) Rabbit Monoclonal Antibody Cell Signaling Technology 8173S
ZNF384 Polyclonal Antibody ThermoFisher Scientific PA5-52044
Normal Goat IgG (for ChIP assay) Cell Signaling Technology 2729S
Normal goat serum Millipore-Sigma G9023
Alexa Fluor® 488 AffiniPure Goat Anti-Mouse IgG Jackson Immunoresearch Inc. 115-545-146
Alexa Fluor® 647 AffiniPure Goat Anti-Mouse IgG Jackson Immunoresearch Inc. 115-605-174
Alexa Fluor® 594 AffiniPure Goat Anti-Rabbit IgG Jackson Immunoresearch Inc. 111-585-003
Fluorescein (FITC) AffiniPure® Goat Anti-Rabbit IgG (H+L) Jackson Immunoresearch Inc. 111-095-144
Rhodamine Red-X (RRX) AffiniPure™ Goat Anti-Rabbit IgG Jackson Immunoresearch Inc. 111-296-003
Alexa Fluor® 647 AffiniPure® Goat Anti-Rabbit IgG (H+L) Jackson Immunoresearch Inc. 111-605-144
Streptavidin, Alexa Fluor™ 594 Conjugate ThermoFisher Scientific S11227
Alexa Fluor® 647 Streptavidin Jackson Immunoresearch Inc. 016-600-084
Alexa Fluor® 594 AffiniPure® Goat Anti-Mouse IgG (H+L) Jackson Immunoresearch Inc. 115-585-146
Alexa Fluor® 647 IgG Fraction Monoclonal Mouse Anti-Digoxin Jackson Immunoresearch Inc. 200-602-156
Chemicals, peptides, and recombinant proteins
Janelia Fluor® 646 HaloTag® Ligand Promega GA1120
Triptolide Millipore-Sigma T3652
DRB Millipore-Sigma D1916
Nocodazole Millipore-Sigma M1404
DMSO Millipore-Sigma D2650-5x10mL
Fibronectin Millipore-Sigma F1141
Bovine Serum Albumin Millipore-Sigma A7906
5-Ethynyl uridine (EU) Jena Bioscience CLK-N002-10
Digoxigenin-11-dUTP, alkali-stable Millipore-Sigma 11093088910
Biotin-14-ATP ThermoFisher Scientific 19524016
Glass coverslips #1.5, 12mm diameter Fisher Scientific 12-545-81
Mouse Cot-1 DNA ThermoFisher Scientific 18440016
Human Cot-1 DNA ThermoFisher Scientific 15279011
G-418 Sulfate Fisher Bioreagents BP673-1
Zeocin Selection Reagent ThermoFisher Scientific R25001
Chloramphenicol Millipore-Sigma 220551-25GM
Blasticidin S HCl ThermoFisher Scientific R21001
Hygromycin B (50 mg/mL) ThermoFisher Scientific 10687010
Puromycin Gibco A11138-03
Polybrene Millipore-Sigma TR-1003-G
Lipofectamine 2000 ThermoFisher Scientific 11668019
Formamide, Deionized Millipore-Sigma S4117
5-Bromo-2′-deoxyuridine (BrdU) Millipore-Sigma B5002-250MG
5-Bromo-2′-deoxycytidine (BrdC) ThermoFisher Scientific AAJ6545603
bisBenzimide H 33258 (Hoechst 33258) Millipore-Sigma B2883-25MG
Exonuclease III (E.Coli) New England Biolabs M0206S
Roche cOmplete Mini EDTA-free tablets Millipore-Sigma 11836170001
ChIP-Grade Protein G Magnetic Beads Cell Signaling Technology 9006S
RIPA Buffer (10X) Cell Signaling Technology 9806S
ChIP Wash Buffer Santa Cruz Biotechnology sc-45002
Tamoxifen Millipore-Sigma T5648
DAPI Millipore-Sigma D9542
Paraformaldehyde Millipore-Sigma P6148-500G
Bacterial strains
DH5a Escherichia coli strain New England Biolabs C2984I
SW102 Published earlier.33 E. Coli recombineering strain
Experimental models: Cell lines
HCT116 (human colon carcinoma) 4D Nucleome Consortium ATCC-CCL-247
hTERT RPE1 (human retinal pigment epithelial) 4D Nucleome Consortium ATCC CRL4000
NIH 3T3 (mouse fibroblast) ATCC CRL-1658
HEK293T cells ATCC CRL-3216
Oligonucleotides
Oligonucleotides Integrated DNA Technologies (IDT) See Table S1
Recombinant DNA
pMini-HB-attB-Neo-Puro-HSVtk-PB (hereafter Ctrl V1.0 vector) See Table S1 This study
pMini-HB-attB-Neo (hereafter Ctrl V2.0 vector) See Table S1 This study
pX330A-1x3 Addgene Plasmid # 58767
FRT-PGK-FRT-attP-Puro-DTA plasmid Gifted by David Gilbert, SDBRI N/A
attB-Neo-SacB Gifted by David Gilbert, SDBRI N/A
pJoyC030 Gifted by Bas van Steensel, NKI N/A
mPB-L3-ERT2-tatRRR-mCherry Gifted by Bas van Steensel, NKI N/A
CTD-318A47 (human RTEL1 BAC) ThermoFisher Scientific Catalog #: 96012, Clone Id: 3184A7
CTD-2269C15 (human COL1A2 BAC) ThermoFisher Scientific Catalog #: 96012, Clone Id: 2269C15
RP11-765O14 (human ACTG1 BAC) ThermoFisher Scientific Catalog #: RPCI11.C, Clone Id: 765O14
RP11-369N23 (human GAPDH BAC) ThermoFisher Scientific Catalog #: RPCI11.C, Clone Id: 369N23
RP11-267M22 (human COL1A1 BAC) ThermoFisher Scientific Catalog #: RPCI11.C, Clone Id: 267M22
RP11-92G8 (human HSPA1 BAC) ThermoFisher Scientific Catalog #: RPCI11.C, Clone Id: 92G8
RP11-351B23 (human TPTE BAC) ThermoFisher Scientific Catalog #: RPCI11.C, Clone Id: 351B23
RP11-715G8 (human OR51 BAC) ThermoFisher Scientific Catalog #: RPCI11.C, Clone Id: 715G8
RP11-1136P2 (human RNPS1 BAC) ThermoFisher Scientific Catalog #: RPCI11.C, Clone Id: 1136P2
RP11-634L10 (human ARHGDIA BAC) ThermoFisher Scientific Catalog #: RPCI11.C, Clone Id: 634L10
RP23-99P16 (mouse BAC) BACPAC Genomics Inc Clone Id: RP23-99P16
CITB-057L22 (mouse Dhfr/Msh3 BAC) Published earlier.32 Gifted by Edith Heard (Curie Institute, Paris, France)
Critical Commercial Assays
End-It DNA End-Repair Kit Epicentre Biotech ER0720
TruSeq ChIP Library Preparation Kit – Set A Illumina IP-202-1012
NEB® PCR Cloning Kit New England Biolabs E1203S
QIAGEN Large Construct Kit QIAGEN 12462
Dneasy Blood & Tissue kit QIAGEN 69504
QIAGEN Plasmid Midi Kit QIAGEN 12143
QIAprep Spin Miniprep Kit QIAGEN 27106
Deposited data
RPE1 SON TSA-Seq (G1 phase cells) This study Accession No. 4DNESKYNUNSG, 4DNESRI54D3Q, 4DNESGE6ZI4N, and 4DNESJ4OXHI8
RPE1 SON TSA-Seq (log phase cells) This study Accession No. 4DNESNXH2OHP, 4DNESF79UZDD, 4DNESANW8A1W, and 4DNES3LO4836
HCT116 SON TSA-Seq (used in Figure S1) This study Accession No. 4DNESQQ92325 and 4DNESUTJFN2R
NIH 3T3 SON TSA-Seq This study Accession No. 4DNESPRABC27
NIH 3T3 LB1 TSA-Seq This study Accession No. 4DNES8Y37MM4
HCT116 SON TSA-Seq Published earlier.20 Accession no. 4DNFI9GKAT7E
HFF SON TSA-Seq Published earlier.20 Accession no. 4DNFIW688BVB
HCT116 LB1 TSA-Seq Published earlier.73 Accession no. 4DNESTE8NJOE
HCT116 MKI67IP TSA-Seq Published earlier.73 Accession no. 4DNESAHA7E69
H3K27ac ChIP-Seq on mouse embryonic fibroblast (MEF) Published earlier.74 Accession no. ENCSR000CDI
NIH 3T3 RNA-Seq Published earlier.42 Accession no. GSM5388182
Image source data for Figure images This study doi: 10.17632/rjwkxm566p.1
Softwares and algorithms
SnapGene Viewer SnapGene https://www.snapgene.com/
ApE plasmid editor M. Wayne Davis, University of Utah https://jorgensen.biology.utah.edu/wayned/ape/
Fiji (imageJ) ImageJ https://fiji.sc/
Genomic loci to compartment distance ImageJ plugin Github https://github.com/omidalam/compartment_dist
Python https://www.python.org/
R https://www.r-project.org/