7VV3

Cryo-EM structure of pseudoallergen receptor MRGPRX2 complex with linear cortistatin-14

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Guanine nucleotide-binding protein G(i) subunit alpha-1	polymer	354	40415.0	1	UniProt (P63096) Pfam (PF00503)	Homo sapiens (Human)	Adenylate cyclase-inhibiting G alpha protein
2	B (B)	Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	polymer	358	39418.1	1	UniProt (P62873) Pfam (PF00400)	Homo sapiens (Human)	Transducin beta chain 1
3	C (G)	Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2	polymer	58	6375.3	1	UniProt (P59768) Pfam (PF00631)	Homo sapiens (Human)	G gamma-I
4	D (S)	scFv	polymer	285	30363.0	1		Homo sapiens (Human)
5	E (R)	Mas-related G-protein coupled receptor member X2	polymer	330	37124.0	1	UniProt (Q96LB1) Pfam (PF00001)	Homo sapiens (Human)
6	F (R)	CHOLESTEROL	non-polymer		386.7	1	Chemie (CLR)

Sequence modifications

B: 2 - 340 (UniProt: P62873)

PDB	External Database	Details
Met -17	-	initiating methionine
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
Leu -10	-	expression tag
Glu -9	-	expression tag
Val -8	-	expression tag
Leu -7	-	expression tag
Phe -6	-	expression tag
Gln -5	-	expression tag
Gly -4	-	expression tag
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	153695.5
Non-Polymers*	Number of molecules	1
	Total formula weight	386.7
All*	Total formula weight	154082.1

*Water molecules are not included.