9ISI

Structure of human C3aR in apo state

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (B)	C3a anaphylatoxin chemotactic receptor,Soluble cytochrome b562	polymer	613	68608.3	1	UniProt (Q16581) UniProt (P0ABE7) Pfam (PF00001) Pfam (PF07361)	Homo sapiens (human)	C3AR,C3a-R,Cytochrome b-562

Sequence modifications

B: 2 - 365 (UniProt: Q16581)

PDB	External Database	Details
Asp -8	-	expression tag
Tyr -7	-	expression tag
Lys -6	-	expression tag
Asp -5	-	expression tag
Asp -4	-	expression tag
Asp -3	-	expression tag
Asp -2	-	expression tag
Ala -1	-	expression tag
Ile 0	-	expression tag
Asp 1	-	expression tag

B: 1006 - 1110 (UniProt: P0ABE7)

PDB	External Database	Details
Trp 1012	Met 29	engineered mutation
Ile 1107	His 124	engineered mutation
Leu 1111	-	linker
Glu 1112	-	linker
Arg 1113	-	linker
Ala 1114	-	linker
Arg 1115	-	linker
Ser 1116	-	linker
Thr 1117	-	linker
Leu 1118	-	linker

B: 370 - 482 (UniProt: Q16581)

PDB	External Database	Details
Ala 1001	-	linker
Arg 1002	-	linker
Arg 1003	-	linker
Gln 1004	-	linker
Leu 1005	-	linker
Ala 483	-	expression tag
Ser 484	-	expression tag
Leu 485	-	expression tag
Glu 486	-	expression tag
Val 487	-	expression tag
Leu 488	-	expression tag
Phe 489	-	expression tag
Gln 490	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	68608.3
All*	Total formula weight	68608.3

*Water molecules are not included.