6ITQ

Crystal structure of cortisol complexed with its nanobody at pH 10.5

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	anti-cortisol camelid antibody	polymer	127	13780.1	4		Camelus bactrianus
2	E, F, G, I (A, B, C, D)	(11alpha,14beta)-11,17,21-trihydroxypregn-4-ene-3,20-dione	non-polymer		362.5	4	Chemie (HCY)
3	H, J (C, D)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4	K, L, M, N (A, B, C, D)	water	water		18.0	559	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	55120.4
Non-Polymers*	Number of molecules	6
	Total formula weight	1642.0
All*	Total formula weight	56762.3

*Water molecules are not included.