Current Protein Identity：P83916
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Difference tags compare only the current result set; every original PDB and assembly record remains separate.
Related-Structure Differences
Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.
| PDB Entry | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Experimental Method | Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 2FMM Crystal Structure of EMSY-HP1 complex Deposited 2006-01-09 | Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric（10） Consistent with protein count |
Chain A
104–175（72 aa）
Fragment：CHROMO SHADOW DOMAIN
Chain B
104–175（72 aa）
Fragment：CHROMO SHADOW DOMAIN
Chain C
104–175（72 aa）
Fragment：CHROMO SHADOW DOMAIN
Chain D
104–175（72 aa）
Fragment：CHROMO SHADOW DOMAIN
|
Not recorded | SO4 SULFATE ION × 8 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 8；290 K；1.8M ammonium sulfate, 0.1M tris, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K
|
Resolution 1.80 Å R-free 0.243 |
| 3F2U Crystal structure of human chromobox homolog 1 (CBX1) Deposited 2008-10-30 | Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
20–73（54 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；30% PEG 400, 0.2M CaCl2 0.1M Na Hepes 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
|
Resolution 1.80 Å R-free 0.274 |
| 3Q6S The crystal structure of the heterochromatin protein 1 beta chromoshadow domain complexed with a peptide from Shugoshin 1 Deposited 2011-01-03 | Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain A
108–185（78 aa）
Fragment：chromoshadow domain, residues 108-185
Chain D
108–185（78 aa）
Fragment：chromoshadow domain, residues 108-185
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION；pH 6.6；293 K；0.1 M Bis-tris, 0.2 M NaCl, 21% (w/v) PEG 3350, pH 6.6, VAPOR DIFFUSION, temperature 293K
|
Resolution 1.93 Å R-free 0.229 |
| 3Q6S The crystal structure of the heterochromatin protein 1 beta chromoshadow domain complexed with a peptide from Shugoshin 1 Deposited 2011-01-03 | Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain B
108–185（78 aa）
Fragment：chromoshadow domain, residues 108-185
Chain C
108–185（78 aa）
Fragment：chromoshadow domain, residues 108-185
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION；pH 6.6；293 K；0.1 M Bis-tris, 0.2 M NaCl, 21% (w/v) PEG 3350, pH 6.6, VAPOR DIFFUSION, temperature 293K
|
Resolution 1.93 Å R-free 0.229 |
| 5T1G chromo shadow domain of CBX1 in complex with a histone peptide Deposited 2016-08-19 | Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
108–185（78 aa）
Fragment：unp residues 108-185
|
Not recorded | UNX UNKNOWN LIGAND × 8 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；1.5 M sodium citrate, 0.1 M HEPES
|
Resolution 1.90 Å R-free 0.243 |
| 6D07 Crystal structure of the complex between human chromobox homolog 1 (CBX1) and H3K9me3 peptide Deposited 2018-04-10 | Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
20–73（54 aa）
Fragment：UNP residues 20-73
|
Not recorded | GOL GLYCEROL × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 8；298 K；0.2 M sodium chloride, 0.1 M Tris, pH 8.0, 30% w/v PEG3350
|
Resolution 2.10 Å R-free 0.257 |
| 6D07 Crystal structure of the complex between human chromobox homolog 1 (CBX1) and H3K9me3 peptide Deposited 2018-04-10 | Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain B
20–73（54 aa）
Fragment：UNP residues 20-73
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 8；298 K；0.2 M sodium chloride, 0.1 M Tris, pH 8.0, 30% w/v PEG3350
|
Resolution 2.10 Å R-free 0.257 |
| 6D08 Crystal structure of an engineered bump-hole complex of mutant human chromobox homolog 1 (CBX1) with H3K9bn peptide Deposited 2018-04-10 | Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
20–73（54 aa）
Fragment：UNP residues 20-73
|
Mutation：Y3F, F27G | GOL GLYCEROL × 2 SO4 SULFATE ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；298 K；0.1 M citrate, pH 5.0, 3 M ammonium sulfate
|
Resolution 2.10 Å R-free 0.252 |
| 6D08 Crystal structure of an engineered bump-hole complex of mutant human chromobox homolog 1 (CBX1) with H3K9bn peptide Deposited 2018-04-10 | Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain B
20–73（54 aa）
Fragment：UNP residues 20-73
|
Mutation：Y3F, F27G | GOL GLYCEROL × 2 SO4 SULFATE ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；298 K；0.1 M citrate, pH 5.0, 3 M ammonium sulfate
|
Resolution 2.10 Å R-free 0.252 |