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4X3K

Crystal structure of chromobox homolog 7 (CBX7) chromodomain with H3K27me3 peptide

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Chromobox protein homolog 7polymer647730.92UniProt (Q8VDS3)
Pfam (PF00385)
Mus musculus (Mouse)
2C, D
(C, D)
H3K27me3 peptidepolymer7776.02UniProt (by SIFTS) (P68431)Homo sapiens
3E, F
(A, B)
NICKEL (II) IONnon-polymer58.72Chemie (NI)
4G
(B)
POTASSIUM IONnon-polymer39.11Chemie (K)
5H, I, J, K
(A, B, C, D)
waterwater18.0167Chemie (HOH)
Sequence modifications
A, B: 7 - 66 (UniProt: Q8VDS3)
PDBExternal DatabaseDetails
Gly 3-expression tag
Ser 4-expression tag
His 5-expression tag
Met 6-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight17013.7
Non-Polymers*Number of molecules3
Total formula weight156.5
All*Total formula weight17170.2
*Water molecules are not included.

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PDB entries from 2025-06-18

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