1KZY

Crystal Structure of the 53bp1 BRCT Region Complexed to Tumor Suppressor P53

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	CELLULAR TUMOR ANTIGEN P53	polymer	195	21945.9	2	UniProt (P04637) Pfam (PF00870) In PDB	Homo sapiens (human)
2	C, D	TUMOR SUPPRESSOR P53-BINDING PROTEIN 1	polymer	259	29268.1	2	UniProt (Q12888) Pfam (PF18428) In PDB	Homo sapiens (human)
3	A, B	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
4		water	water		18.0	216	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	102428.0
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	102558.8

*Water molecules are not included.