6QJJ

Crystal Structure of the third PDZ domain of PSD-95 protein: space group P3221

Replaces:  5OIG

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Disks large homolog 4	polymer	99	10660.9	1	UniProt (P78352) Pfam (PF00595)	Homo sapiens (Human)	Postsynaptic density protein 95,PSD-95,Synapse-associated protein 90,SAP90
2	B, C, D (A)	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
3	E (A)	water	water		18.0	20	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	10660.9
Non-Polymers*	Number of molecules	3
	Total formula weight	288.2
All*	Total formula weight	10949.1

*Water molecules are not included.