7cce

crystal structure of Arabidopsis AIPP3 BAH domain in complex with an H3K27me3 peptide

Method: X-RAY DIFFRACTION D_max: 57.3 Å Quality: GOOD

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Bromo-adjacent homology (BAH) domain-containing protein

Arabidopsis thaliana

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain A； UniProt 112–279	Not recorded	Histone H3.2 × 1 （P59226） TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1 M HEPES, pH 7.0, and 2.4 M ammonium sulfate	Resolution 2.40 Å R-free 0.266

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence

UniProt name	Q8RXT5_ARATH
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–169； UniProt 112–279

Histone H3.2

OrganismNot specified

UniProt P59226

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain P； UniProt 21–38	Non-standard monomer：Yes (specific site not provided by mmCIF)	Bromo-adjacent homology (BAH) domain-containing protein × 1 （Q8RXT5） TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1 M HEPES, pH 7.0, and 2.4 M ammonium sulfate	Resolution 2.40 Å R-free 0.266

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 7CCE	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
4IUR crystal structure of SHH1 SAWADEE domain in complex with H3K9me3 peptide Deposited 2013-01-21	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 2–16（15 aa） Fragment：H3(1-15) K9me3 peptide (unp residues 2-16)	Non-standard monomer：Yes (specific site not provided by mmCIF)	ZN ZINC ION × 1 CVM CYMAL-4 × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.2 M NH4F, 20% PEG 3350, 7.6 mM 4-Cyclohexyl-1-Butyl-D-Maltoside , VAPOR DIFFUSION, SITTING DROP, temperature 277K	Resolution 2.50 Å R-free 0.256
4IUT crystal structure of SHH1 SAWADEE domain in complex with H3K9me2 peptide Deposited 2013-01-21	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 2–16（15 aa） Fragment：H3(1-15) K9me2 peptide (unp residues 2-16)	Non-standard monomer：Yes (specific site not provided by mmCIF)	ZN ZINC ION × 1 CVM CYMAL-4 × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.2 M NH4F, 20% PEG 3350, 7.6 mM 4-Cyclohexyl-1-Butyl-D-Maltoside , VAPOR DIFFUSION, SITTING DROP, temperature 277K	Resolution 2.70 Å R-free 0.248
4IUU Crystal structure of SHH1 SAWADEE domain in complex with H3K9me1 peptide Deposited 2013-01-21	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 2–16（15 aa） Fragment：H3(1-15) K9me1 peptide (unp residues 2-16)	Non-standard monomer：Yes (specific site not provided by mmCIF)	ZN ZINC ION × 1 CVM CYMAL-4 × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.2 M NH4F, 20% PEG 3350, 7.6 mM 4-Cyclohexyl-1-Butyl-D-Maltoside , VAPOR DIFFUSION, SITTING DROP, temperature 277K	Resolution 2.70 Å R-free 0.269
4IUV crystal structure of SHH1 SAWADEE domain in complex with H3K4me1K9me1 peptide Deposited 2013-01-21	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 2–16（15 aa） Fragment：H3(1-15)K4me1K9me1 peptide (unp residues 2-16)	Non-standard monomer：Yes (specific site not provided by mmCIF)	ZN ZINC ION × 1 CVM CYMAL-4 × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.2 M NH4F, 20% PEG 3350, 7.6 mM 4-Cyclohexyl-1-Butyl-D-Maltoside , VAPOR DIFFUSION, SITTING DROP, temperature 277K	Resolution 2.80 Å R-free 0.253
5VAH Crystal structure of ATXR5 SET domain in complex with histone H3 di-methylated on R26 Deposited 2017-03-26	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 22–36（15 aa） Fragment：residues 22-36	Non-standard monomer：Yes (specific site not provided by mmCIF)	SAH S-ADENOSYL-L-HOMOCYSTEINE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；50% polypropylene glycol 400, 5% DMSO, 0.1 M HEPES-NaOH (pH 6.0)	Resolution 2.40 Å R-free 0.281
5VAH Crystal structure of ATXR5 SET domain in complex with histone H3 di-methylated on R26 Deposited 2017-03-26	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 22–36（15 aa） Fragment：residues 22-36	Non-standard monomer：Yes (specific site not provided by mmCIF)	SAH S-ADENOSYL-L-HOMOCYSTEINE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；50% polypropylene glycol 400, 5% DMSO, 0.1 M HEPES-NaOH (pH 6.0)	Resolution 2.40 Å R-free 0.281
5VBC Crystal structure of ATXR5 in complex with histone H3.1 Deposited 2017-03-29	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 24–37（14 aa） Fragment：residues 24-37	Not recorded	SAH S-ADENOSYL-L-HOMOCYSTEINE × 1 DMS DIMETHYL SULFOXIDE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；50% polypropylene glycol 400, 100mM Na-Hepes pH 6.0 and 5% DMSO	Resolution 2.10 Å R-free 0.234
5VBC Crystal structure of ATXR5 in complex with histone H3.1 Deposited 2017-03-29	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 24–37（14 aa） Fragment：residues 24-37	Not recorded	SAH S-ADENOSYL-L-HOMOCYSTEINE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；50% polypropylene glycol 400, 100mM Na-Hepes pH 6.0 and 5% DMSO	Resolution 2.10 Å R-free 0.234
5YKO Crystal structure of Arabidopsis thaliana JMJ14 catalytic domain in complex with NOG and H3K4me3 peptide Deposited 2017-10-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain P 2–11（10 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	NI NICKEL (II) ION × 1 ZN ZINC ION × 2 OGA N-OXALYLGLYCINE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.2M Na2SO4, 20% PEG 3350, 0.1M bis-tris propane, pH 6.5	Resolution 2.90 Å R-free 0.244
5Z8L crystal structure of Arabidopsis thaliana EBS in complex with an H3K27me3 peptide Deposited 2018-01-31	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain P 21–36（16 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；293 K；0.2M sodium acetate, 20% PEG 3350	Resolution 2.00 Å R-free 0.230
5Z8N Crystal structure of Arabidopsis thaliana EBS C-terminal deletion construct in complex with an H3K4me2 peptide Deposited 2018-01-31	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain P 2–16（15 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.1M MES, pH 6.5, 40% PEG 200	Resolution 3.10 Å R-free 0.252
5Z8N Crystal structure of Arabidopsis thaliana EBS C-terminal deletion construct in complex with an H3K4me2 peptide Deposited 2018-01-31	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain Q 2–16（15 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.1M MES, pH 6.5, 40% PEG 200	Resolution 3.10 Å R-free 0.252
5Z8N Crystal structure of Arabidopsis thaliana EBS C-terminal deletion construct in complex with an H3K4me2 peptide Deposited 2018-01-31	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain R 2–16（15 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.1M MES, pH 6.5, 40% PEG 200	Resolution 3.10 Å R-free 0.252
5ZNP Crystal structure of PtSHL in complex with an H3K4me3 peptide Deposited 2018-04-10	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain P 2–16（15 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；0.2 M potassium acetate, 20% PEG 3350	Resolution 2.80 Å R-free 0.293
5ZNP Crystal structure of PtSHL in complex with an H3K4me3 peptide Deposited 2018-04-10	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain Q 2–16（15 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；0.2 M potassium acetate, 20% PEG 3350	Resolution 2.80 Å R-free 0.293
5ZNR Crystal structure of PtSHL in complex with an H3K27me3 peptide Deposited 2018-04-10	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain P 21–37（17 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	ZN ZINC ION × 2 SO4 SULFATE ION × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 10.5；277 K；0.2 M lithium sulfate, 2.0 M ammonium sulfate, 0.1 M CAPS, pH 10.5	Resolution 3.20 Å R-free 0.232
5ZNR Crystal structure of PtSHL in complex with an H3K27me3 peptide Deposited 2018-04-10	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain Q 21–37（17 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	ZN ZINC ION × 2 SO4 SULFATE ION × 5	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 10.5；277 K；0.2 M lithium sulfate, 2.0 M ammonium sulfate, 0.1 M CAPS, pH 10.5	Resolution 3.20 Å R-free 0.232
5ZWX Crystal structure of Raphanus sativus AGDP1 AGD12 in complex with an H3K9me2 peptide Deposited 2018-05-17	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain P 2–16（15 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；15% PEG 20000, 0.1M MES, pH 6.5	Resolution 1.90 Å R-free 0.211
5ZWX Crystal structure of Raphanus sativus AGDP1 AGD12 in complex with an H3K9me2 peptide Deposited 2018-05-17	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain Q 2–16（15 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；15% PEG 20000, 0.1M MES, pH 6.5	Resolution 1.90 Å R-free 0.211
6IP4 Crystal structure of Arabidopsis thaliana JMJ13 catalytic domain in complex with NOG and an H3K27me3 peptide Deposited 2018-11-02	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 25–36（12 aa） Fragment：UNP residues 25-36	Non-standard monomer：Yes (specific site not provided by mmCIF)	NI NICKEL (II) ION × 1 ZN ZINC ION × 2 OGA N-OXALYLGLYCINE × 1 SO4 SULFATE ION × 7	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；0.1M MES, pH 6.5, 8% dioxane, and 1.6M ammonium sulfate	Resolution 2.60 Å R-free 0.246
6LQE Crystal structure of Arabidopsis ARID5 PHD finger in complex with H3K4me3 peptide Deposited 2020-01-13	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain P 2–16（15 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；298 K；0.1 M sodium acetate, pH 4.6, 30% PEG 300	Resolution 1.90 Å R-free 0.241
6LQF Crystal structure of Arabidopsis ARID5 ARID-PHD cassette in complex with H3K4me3 peptide and DNA Deposited 2020-01-13	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 2 PDB declaration: tetrameric	Chain P 2–16（15 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	ZN ZINC ION × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 5；298 K；0.1 M sodium acetate, pH 5.0, 15% MPD	Resolution 1.50 Å R-free 0.192
7DE9 crystal structure of Arabidopsis RDM15 tudor domain in complex with an H3K4me1 peptide Deposited 2020-11-03	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain P 2–16（15 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；0.1 M Tris-HCl, pH 8.5, and 20% PEG 1000	Resolution 1.71 Å R-free 0.202
7T7T Structure of TSK/BRU1 bound to histone H3.1 Deposited 2021-12-15	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain W 2–46（45 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；294.15 K；25% 1,2-Propanediol, 20% glycerol, 0.1M sodium potassium phosphate pH 6	Resolution 3.17 Å R-free 0.318
7T7T Structure of TSK/BRU1 bound to histone H3.1 Deposited 2021-12-15	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain X 2–46（45 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；294.15 K；25% 1,2-Propanediol, 20% glycerol, 0.1M sodium potassium phosphate pH 6	Resolution 3.17 Å R-free 0.318
7YTA crystal structure of NtAGDP3 AGD1-2 in complex with an H3K9me2 peptide Deposited 2022-08-13	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain P 2–16（15 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9；293 K；25% PEG 1500, 0.1 M sodium chloride and 0.1 M bis-Tris propane, pH 9.0	Resolution 2.31 Å R-free 0.271
7YTA crystal structure of NtAGDP3 AGD1-2 in complex with an H3K9me2 peptide Deposited 2022-08-13	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain Q 2–16（15 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9；293 K；25% PEG 1500, 0.1 M sodium chloride and 0.1 M bis-Tris propane, pH 9.0	Resolution 2.31 Å R-free 0.271
7YTA crystal structure of NtAGDP3 AGD1-2 in complex with an H3K9me2 peptide Deposited 2022-08-13	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain R 2–16（15 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9；293 K；25% PEG 1500, 0.1 M sodium chloride and 0.1 M bis-Tris propane, pH 9.0	Resolution 2.31 Å R-free 0.271
8J90 Cryo-EM structure of DDM1-nucleosome complex Deposited 2023-05-02	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 9 PDB declaration: 11-meric	Chain A 1–136（136 aa） Chain E 1–136（136 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.71 Å
8J91 Cryo-EM structure of nucleosome containing Arabidopsis thaliana histones Deposited 2023-05-02	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric	Chain A 1–136（136 aa） Chain E 1–136（136 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
8J92 Cryo-EM structure of nucleosome containing Arabidopsis thaliana H2A.W Deposited 2023-05-02	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric	Chain A 1–136（136 aa） Chain E 1–136（136 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
8JG4 Crystal Structure of YAF9A YEATS bound to H3K27cr peptide Deposited 2023-05-19	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 25–32（8 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；0.1 M Tris pH 8.5, 0.2 M Li2SO4, 25% PEG 3350	Resolution 2.30 Å R-free 0.212
8JG4 Crystal Structure of YAF9A YEATS bound to H3K27cr peptide Deposited 2023-05-19	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 25–32（8 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；0.1 M Tris pH 8.5, 0.2 M Li2SO4, 25% PEG 3350	Resolution 2.30 Å R-free 0.212
8KCB Complex of DDM1-nucleosome(H2A) complex with DDM1 bound to SHL2 Deposited 2023-08-07	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 9 PDB declaration: undecameric	Chain E 1–136（136 aa） Chain F 1–136（136 aa）	Not recorded	BEF BERYLLIUM TRIFLUORIDE ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.17 Å
8KCC Complex of DDM1-nucleosome(H2A.W) complex with DDM1 bound to SHL2 Deposited 2023-08-07	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 9 PDB declaration: undecameric	Chain E 1–136（136 aa） Chain F 1–136（136 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
8WH5 Structure of DDM1-nucleosome complex in the apo state Deposited 2023-09-22	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 9 PDB declaration: undecameric	Chain A 1–136（136 aa） Chain E 1–136（136 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.58 Å
8WH8 Structure of DDM1-nucleosome complex in ADP state Deposited 2023-09-22	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 9 PDB declaration: undecameric	Chain A 1–136（136 aa） Chain E 1–136（136 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
8WH9 Structure of DDM1-nucleosome complex in ADP-BeFx state Deposited 2023-09-22	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 9 PDB declaration: undecameric	Chain A 1–136（136 aa） Chain E 1–136（136 aa）	Not recorded	BEF BERYLLIUM TRIFLUORIDE ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.31 Å
8WHA Structure of DDM1-nucleosome complex in the ADP-BeFx state with DDM1 bound to SHL2 and SHL-2 Deposited 2023-09-22	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 10 PDB declaration: dodecameric	Chain A 1–136（136 aa） Chain E 1–136（136 aa）	Not recorded	BEF BERYLLIUM TRIFLUORIDE ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.05 Å
8WHB Structure of nucleosome core particle of Arabidopsis thaliana Deposited 2023-09-23	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric	Chain A 1–136（136 aa） Chain E 1–136（136 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.17 Å
9K3Z Cryo-EM structure of Arabidopsis thaliana H2A.Z-nucleosome with Arabidopsis native 147bp DNA 15.2.2 (C2 symmetry) Deposited 2024-10-21	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric	Chain A 1–136（136 aa） Chain E 1–136（136 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.75 Å
9K40 Cryo-EM structure of Arabidopsis thaliana H2A-nucleosome with Arabidopsis native 147bp DNA 15.2.2 (C2 symmetry) Deposited 2024-10-21	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric	Chain A 1–136（136 aa） Chain E 1–136（136 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.15 Å
9K41 Cryo-EM structure of Arabidopsis thaliana H2A.W-nucleosome with Arabidopsis native 147bp DNA 15.2.2 (C2 symmetry) Deposited 2024-10-21	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric	Chain A 1–136（136 aa） Chain E 1–136（136 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.81 Å
9K42 Cryo-EM structure of Arabidopsis thaliana H2A-nucleosome with 147bp Widom 601 DNA (C2 symmetry) Deposited 2024-10-21	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric	Chain A 1–136（136 aa） Chain E 1–136（136 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.14 Å
9K43 Cryo-EM structure of Arabidopsis thaliana H2A.Z-nucleosome with 147bp Widom 601 DNA (C2 symmetry) Deposited 2024-10-21	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric	Chain A 1–136（136 aa） Chain E 1–136（136 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.87 Å
9M4R crystal structure of Arabidopsis thaliana ING1 PHD finger in complex with an H3K4me3 peptide Deposited 2025-03-04	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain P 2–11（10 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；293 K；40% PEG400, 5% PEG3000, and 0.1M MES, pH 6.0	Resolution 1.70 Å R-free 0.200
9M4S crystal structure of Arabidopsis thaliana ING2 PHD finger in complex with an H3K4me3 peptide Deposited 2025-03-04	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain P 2–11（10 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；0.1M NiCl2, 20% PEG2000 MME, and 0.1M Tris, pH 8.5	Resolution 1.60 Å R-free 0.225

36 other PDB entries and 47 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	H32_ARATH
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain P； PDBConstruct 1–18； UniProt 21–38

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

Download Download SAXS (.dat) P(r) (.pr.out) CIF

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	7cce
Deposition date deposition_date	2020-06-17
Structure title title	crystal structure of Arabidopsis AIPP3 BAH domain in complex with an H3K27me3 peptide
Keywords keywords	BAH domain, AIPP3, H3K27me3, histone modification, epigenetcis, GENE REGULATION; GENE REGULATION
Experimental Method method	X-RAY DIFFRACTION

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	17.77 Å
Radius of gyration Rg (electron density) rg_electron	16.26 Å
Forward intensity I(0) i0	7313800.00
Molecular weight molecular_weight	19922.0 kDa
Excluded volume excluded_volume	25077 Å³
Envelope volume envelope_volume	29319 Å³
Hydration-shell volume shell_volume	15188 Å³
Envelope diameter envelope_diameter	57.6 Å
Shell Rg shell_rg	22.19 Å
Envelope Rg envelope_rg	16.74 Å
Shape Rg shape_rg	16.22 Å
Total Rg total_rg	17.47 Å
Total atoms total_atoms	1405
Residues n_residues	170
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	57.3 Å
Rg (real space) rg_real	17.65 Å
Rg uncertainty (real space) rg_real_error	0.36 Å
I(0) (real space) i0_real	7.3140e+06
I(0) uncertainty (real space) i0_real_error	9.2020e+04
Rg (reciprocal space) rg_reciprocal	17.67 Å
I(0) (reciprocal space) i0_reciprocal	7314000.0000
Solution quality estimate total_estimate	0.8134
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	51.2 Å
Skewness Skewness skewness	0.144
Kurtosis Kurtosis kurtosis	-0.408
Angular range angular_range	— – 0.4500 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	1456000.0000
Real-space data points n_real_points	76
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.857; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.000

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	Bromo-adjacent homology (BAH) domain-containing protein
Molecular weight formula_weight	19677.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	1408

SGKGKGKRTHFNQFAYDGNTYDLEVPVLLVPEDKSQKPYVAIIKDITQTKDGSMMILGQWFYRPEEAEKRGGGNWQSSDTRELFYSFHRDEVPAESVMHRCVVYFVPAHKQLPKRKNNPGFIVRKVYDTVEKKLWKLTDKDYEDSKQREIDVLVKKTMNVLGDLPDLES

来源 Source

来源生物 organism	Arabidopsis thaliana
通用名 common_name	Mouse-ear cress
NCBI Class编号 ncbi_taxonomy_id	3702
宿主生物 host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 polymer

Description description	Histone H3.2
Molecular weight formula_weight	1802.2 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	P

LATKAARKSAPATGGVKK

Entity 3 Entity 3 non-polymer

Description description	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
Molecular weight formula_weight	122.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	3

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7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id	7cceA01
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	30 — SH3 type barrels.
Homologous superfamily homologous superfamily	490 — Bromo adjacent homology (BAH) domain

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8. Citations (1)

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Unit-cell length a length_a	78.599 Å
Unit-cell length b length_b	78.599 Å
Unit-cell length c length_c	72.730 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	6

Space group space_group	P 31 2 1
Space-group number int_tables_number	152
Crystal system crystal_system	—

Resolution resolution	2.404 Å
Low-resolution limit resolution_low	24.849 Å
R factor r_factor	0.2206
R_work r_work	0.2185
R_free r_free	0.2660

fit	/app/data/saxs_computation/cc/7cce/7cce.fit
pddf	/app/data/pr_computation/cc/7cce/7cce.pr.out
profile	/app/data/saxs_computation/cc/7cce/7cce.dat

crystal structure of Arabidopsis AIPP3 BAH domain in complex with an H3K27me3 peptide

1. Protein Identity and Related Structures Protein Identity & Related Structures

Bromo-adjacent homology (BAH) domain-containing protein

State in the Current Structure

Other States of the Same Protein in the Database

Histone H3.2

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

6. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)