7AXL

Crystal structure of the hPXR-LBD in complex with estradiol and heptachlor endo-epoxide

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Nuclear receptor subfamily 1 group I member 2	polymer	320	36747.5	1	UniProt (O75469) Pfam (PF00104)	Homo sapiens (Human)	Orphan nuclear receptor PAR1,Orphan nuclear receptor PXR,Pregnane X receptor,Steroid and xenobiotic receptor,SXR
2	B (A)	ESTRADIOL	non-polymer		272.4	1	Chemie (EST)
3	C (A)	heptachlor endo-epoxide	non-polymer		389.3	1	Chemie (S65)
4	D (A)	(4S)-2-METHYL-2,4-PENTANEDIOL	non-polymer		118.2	1	Chemie (MPD)
5	E (A)	water	water		18.0	89	Chemie (HOH)

Sequence modifications

A: 130 - 434 (UniProt: O75469)

PDB	External Database	Details
Met 119	-	initiating methionine
Lys 120	-	expression tag
Lys 121	-	expression tag
Gly 122	-	expression tag
His 123	-	expression tag
His 124	-	expression tag
His 125	-	expression tag
His 126	-	expression tag
His 127	-	expression tag
His 128	-	expression tag
Gly 129	-	expression tag
Leu 435	-	expression tag
Val 436	-	expression tag
Pro 437	-	expression tag
Arg 438	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	36747.5
Non-Polymers*	Number of molecules	3
	Total formula weight	779.9
All*	Total formula weight	37527.3

*Water molecules are not included.