4QO1

p53 DNA binding domain in complex with Nb139

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Nb139 Nanobody against the DNA-binding domain of p53	polymer	154	16648.2	1		Lama glama (llama)
2	B	Cellular tumor antigen p53	polymer	227	25626.0	1	UniProt (P04637) Pfam (PF00870) In PDB	Homo sapiens (human)	Antigen NY-CO-13, Phosphoprotein p53, Tumor suppressor p53
3	B	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
4		water	water		18.0	304	Chemie (HOH)

Sequence modifications

B: 92 - 312 (UniProt: P04637)

PDB	External Database	Details
His 313	-	expression tag
His 314	-	expression tag
His 315	-	expression tag
His 316	-	expression tag
His 317	-	expression tag
His 318	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	42274.2
Non-Polymers*	Number of molecules	1
	Total formula weight	65.4
All*	Total formula weight	42339.7

*Water molecules are not included.