8JGB

CryoEM structure of Gi-coupled MRGPRX1 with peptide agonist CNF-Tx2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	L	Conorfamide-Tx2	polymer	18	2083.4	1	UniProt (P0DM27) In PDB	Conus textile	CNF-Tx2,Cono-RFamide-Tx2
2	G	Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2	polymer	60	6633.6	1	UniProt (P59768) Pfam (PF00631) In PDB	Homo sapiens (human)	G gamma-I
3	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
4	B	Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	polymer	358	39418.1	1	UniProt (P62873) Pfam (PF00400) In PDB	Homo sapiens (human)	Transducin beta chain 1
5	R	Mas-related G-protein coupled receptor member X1	polymer	319	35906.5	1	UniProt (Q96LB2) Pfam (PF00001) In PDB	Homo sapiens (human)	Sensory neuron-specific G-protein coupled receptor 3/4
6	S	scFv16	polymer	285	30363.0	1		Homo sapiens (human)

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	6
	Total formula weight	154819.7
All*	Total formula weight	154819.7

*Water molecules are not included.