2B2V

Crystal structure analysis of human CHD1 chromodomains 1 and 2 bound to histone H3 resi 1-15 MeK4

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Chromodomain-helicase-DNA-binding protein 1	polymer	187	22146.8	2	UniProt (O14646) Pfam (PF00385) In PDB	Homo sapiens (human)	CHD-1
2	C	Chromodomain-helicase-DNA-binding protein 1	polymer	115	13694.3	1	UniProt (O14646) Pfam (PF00385) In PDB	Homo sapiens (human)	CHD-1
3	D	Histone H3	polymer	16	1742.0	1	UniProt (P68431) In PDB
4		water	water		18.0	123	Chemie (HOH)

Sequence modifications

A, B: 10 - 185 (UniProt: O14646)

PDB	External Database	Details
Met 1	-	cloning artifact
Lys 2	-	cloning artifact
Lys 3	-	cloning artifact
His 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
Lys 186	-	cloning artifact
Lys 187	-	cloning artifact

C: 10 - 115 (UniProt: O14646)

PDB	External Database	Details
Met 1	-	cloning artifact
Lys 2	-	cloning artifact
Lys 3	-	cloning artifact
His 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag

D: 1 - 15 (UniProt: P68431)

PDB	External Database	Details
Mlz 4	Lys 4	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	59729.8
All*	Total formula weight	59729.8

*Water molecules are not included.