5OSC

GLIC-GABAAR alpha1 chimera crystallized in complex with pregnenolone sulfate at pH 4.5

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, E	Proton-gated ion channel,Gamma-aminobutyric acid receptor subunit alpha-2,Gamma-aminobutyric acid receptor subunit alpha-1	polymer	336	38644.2	5	UniProt (Q7NDN8) UniProt (P26048) UniProt (P62812) Pfam (PF02931) Pfam (PF02932) In PDB	Gloeobacter violaceus (strain PCC 7421)	GLIC,Ligand-gated ion channel,LGIC,GABA(A) receptor subunit alpha-2,GABA(A) receptor subunit alpha-1
2	A, B, C, D, E	ACETATE ION	non-polymer		59.0	8	Chemie (ACT)
3	A, B, C, D, E	CHLORIDE ION	non-polymer		35.5	5	Chemie (CL)
4	E, A, B, C, D	Pregnenolone sulfate	non-polymer		396.5	5	Chemie (A8W)
5	E, A, B, D	CHOLESTEROL HEMISUCCINATE	non-polymer		486.7	5	Chemie (Y01)

Sequence modifications

A, B, C, D, E: 1 - 193 (UniProt: Q7NDN8)
A, B, C, D, E: 223 - 311 (UniProt: P26048)

PDB	External Database	Details
Val 258	Gly 286	conflict
Ser 312	-	linker
Gln 313	-	linker
Pro 314	-	linker
Ala 315	-	linker
Arg 316	-	linker
Ala 317	-	linker
Ala 318	-	linker

A, B, C, D, E: 390 - 428 (UniProt: P62812)

PDB	External Database	Details
His 429	-	expression tag
His 430	-	expression tag
His 431	-	expression tag
His 432	-	expression tag
His 433	-	expression tag
His 434	-	expression tag
His 435	-	expression tag
His 436	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	193220.9
Non-Polymers*	Number of molecules	23
	Total formula weight	5066.0
All*	Total formula weight	198286.9

*Water molecules are not included.