4IAQ

Crystal structure of the chimeric protein of 5-HT1B-BRIL in complex with dihydroergotamine (PSI Community Target)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Chimera protein of human 5-hydroxytryptamine receptor 1B and E. Coli soluble cytochrome b562	polymer	403	45517.0	1	UniProt (P28222) UniProt (P0ABE7) Pfam (PF00001) Pfam (PF07361) In PDB	Homo sapiens	5-HT-1B, 5-HT1B, S12, Serotonin 1D beta receptor, 5-HT-1D-beta, Serotonin receptor 1B
2	A	Dihydroergotamine	non-polymer		583.7	1	Chemie (2GM)
3		water	water		18.0	5	Chemie (HOH)

Sequence modifications

A: 33 - 239 (UniProt: P28222)

PDB	External Database	Details
Gly 30	-	expression tag
Gly 31	-	expression tag
Thr 32	-	expression tag
Trp 138	Leu 138	engineered mutation

A: 1001 - 1106 (UniProt: P0ABE7)

PDB	External Database	Details
Trp 1007	Met 29	engineered mutation
Ile 1102	His 124	engineered mutation
Leu 1106	Arg 128	engineered mutation

A: 304 - 390 (UniProt: P28222)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	45517.0
Non-Polymers*	Number of molecules	1
	Total formula weight	583.7
All*	Total formula weight	46100.7

*Water molecules are not included.