4L9K

X-ray study of human serum albumin complexed with camptothecin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	SERUM ALBUMIN	polymer	585	66571.2	2	UniProt (P02768) Pfam (PF00273) In PDB	Homo sapiens (human)
2	A, B	(2S)-2-hydroxy-2-[8-(hydroxymethyl)-9-oxo-9,11-dihydroindolizino[1,2-b]quinolin-7-yl]butanoic acid	non-polymer		366.4	2	Chemie (EHF)
3		water	water		18.0	119	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	133142.4
Non-Polymers*	Number of molecules	2
	Total formula weight	732.7
All*	Total formula weight	133875.2

*Water molecules are not included.