4EJ4

Structure of the delta opioid receptor bound to naltrindole

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Delta-type opioid receptor, Lysozyme chimera	polymer	461	51633.7	1	UniProt (P32300) UniProt (P00720) Pfam (PF00001) Pfam (PF00959)	Mus musculus	D-OR-1, DOR-1, K56, MSL-2, Endolysin, Lysis protein, Muramidase
2	B (A)	(4bS,8R,8aS,14bR)-7-(cyclopropylmethyl)-5,6,7,8,14,14b-hexahydro-4,8-methano[1]benzofuro[2,3-a]pyrido[4,3-b]carbazole-1,8a(9H)-diol	non-polymer		414.5	1	Chemie (EJ4)

Sequence modifications

A: 36 - 244 (UniProt: P32300)
A: 1002 - 1161 (UniProt: P00720)

PDB	External Database	Details
Asn 1020	Asp 20	engineered mutation
Thr 1054	Cys 54	engineered mutation
Ala 1097	Cys 97	engineered mutation

A: 251 - 342 (UniProt: P32300)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	51633.7
Non-Polymers*	Number of molecules	1
	Total formula weight	414.5
All*	Total formula weight	52048.2

*Water molecules are not included.