1KW4

Polyhomeotic SAM domain structure

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Polyhomeotic	polymer	89	10319.5	1	UniProt (P39769) Pfam (PF07647) In PDB	Drosophila melanogaster (fruit fly)
2		water	water		18.0	56	Chemie (HOH)

Sequence modifications

A: 1 - 81 (UniProt: P39769)

PDB	External Database	Details
Met 1	Pro 1497	cloning artifact
Glu 2	Lys 1498	cloning artifact
Thr 3	Ser 1499	cloning artifact
Lys 4	Ser 1500	cloning artifact
Arg 5	Glu 1501	cloning artifact
Arg 51	Leu 1547	engineered mutation
Mse 61	Met 1557	modified residue
Mse 63	Met 1559	modified residue
Arg 82	-	cloning artifact
Asp 83	-	cloning artifact
His 84	-	expression tag
His 85	-	expression tag
His 86	-	expression tag
His 87	-	expression tag
His 88	-	expression tag
His 89	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	10319.5
All*	Total formula weight	10319.5

*Water molecules are not included.