8I9A

Structure of EP54-C3aR-Gq complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Guanine nucleotide-binding protein G(q) subunit alpha	polymer	374	43405.2	1	Pfam (PF00503) UniProt (by SIFTS) (P63096) UniProt (by SIFTS) (P63092) In PDB	Homo sapiens
2	B	Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	polymer	350	38534.1	1	UniProt (P62873) Pfam (PF00400) In PDB	Homo sapiens (human)	Transducin beta chain 1
3	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
4	H	Antibody fragment - ScFv16	polymer	248	26466.5	1		Mus musculus
5	C	C3a anaphylatoxin chemotactic receptor	polymer	538	59808.4	1	UniProt (Q16581) Pfam (PF00001) In PDB	Homo sapiens (human)	C3AR,C3a-R
6	D	EP54 ligand	polymer	10	1211.5	1		Homo sapiens

Sequence modifications

B: 2 - 340 (UniProt: P62873)

PDB	External Database	Details
Met -9	-	initiating methionine
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
Ser 0	-	expression tag
Gly 1	-	expression tag

C: 2 - 482 (UniProt: Q16581)

PDB	External Database	Details
Met -55	-	initiating methionine
Gly -54	-	expression tag
Lys -53	-	expression tag
Thr -52	-	expression tag
Ile -51	-	expression tag
Ile -50	-	expression tag
Ala -49	-	expression tag
Leu -48	-	expression tag
Ser -47	-	expression tag
Tyr -46	-	expression tag
Ile -45	-	expression tag
Phe -44	-	expression tag
Cys -43	-	expression tag
Leu -42	-	expression tag
Val -41	-	expression tag
Phe -40	-	expression tag
Ala -39	-	expression tag
Asp -38	-	expression tag
Tyr -37	-	expression tag
Lys -36	-	expression tag
Asp -35	-	expression tag
Asp -34	-	expression tag
Asp -33	-	expression tag
Asp -32	-	expression tag
Ala -31	-	expression tag
Ala -30	-	expression tag
Asn -29	-	expression tag
Phe -28	-	expression tag
Thr -27	-	expression tag
Pro -26	-	expression tag
Val -25	-	expression tag
Asn -24	-	expression tag
Gly -23	-	expression tag
Ser -22	-	expression tag
Ser -21	-	expression tag
Gly -20	-	expression tag
Asn -19	-	expression tag
Gln -18	-	expression tag
Ser -17	-	expression tag
Val -16	-	expression tag
Arg -15	-	expression tag
Leu -14	-	expression tag
Val -13	-	expression tag
Thr -12	-	expression tag
Ser -11	-	expression tag
Ser -10	-	expression tag
Ser -9	-	expression tag
Leu -8	-	expression tag
Glu -7	-	expression tag
Val -6	-	expression tag
Leu -5	-	expression tag
Phe -4	-	expression tag
Gln -3	-	expression tag
Gly -2	-	expression tag
Pro -1	-	expression tag
Gly 0	-	expression tag
Ser 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	177286.8
All*	Total formula weight	177286.8

*Water molecules are not included.