6XBK

Structure of human SMO-G111C/I496C complex with Gi

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	R	Smoothened homolog	polymer	652	71822.5	1	UniProt (Q99835) Pfam (PF01392) Pfam (PF01534) In PDB	Homo sapiens (Human)	SMO,Protein Gx
2	A	Guanine nucleotide-binding protein G(i) subunit alpha-1	polymer	354	40415.0	1	UniProt (P63096) Pfam (PF00503) In PDB	Homo sapiens (Human)	Adenylate cyclase-inhibiting G alpha protein
3	B	Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	polymer	344	37671.1	1	UniProt (P62873) Pfam (PF00400) In PDB	Homo sapiens (Human)	Transducin beta chain 1
4	G	Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2	polymer	71	7861.1	1	UniProt (P59768) Pfam (PF00631) In PDB	Homo sapiens (Human)	G gamma-I
5	S	scFv16	polymer	259	27784.9	1		Mus musculus
6	R	CHOLESTEROL	non-polymer		386.7	1	Chemie (CLR)

Sequence modifications

R: 1 - 644 (UniProt: Q99835)

PDB	External Database	Details
Cys 111	Gly 111	engineered mutation
Cys 496	Ile 496	engineered mutation
Asp 645	-	expression tag
Tyr 646	-	expression tag
Lys 647	-	expression tag
Asp 648	-	expression tag
Asp 649	-	expression tag
Asp 650	-	expression tag
Asp 651	-	expression tag
Lys 652	-	expression tag

B: 2 - 340 (UniProt: P62873)

PDB	External Database	Details
Pro -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
Ser 0	-	expression tag
Gly 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	185554.7
Non-Polymers*	Number of molecules	1
	Total formula weight	386.7
All*	Total formula weight	185941.3

*Water molecules are not included.