Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords | 
| 1 | A (R)  | C3a anaphylatoxin chemotactic receptor,Soluble cytochrome b562 | polymer | 613 | 68608.3 | 1 | UniProt (Q16581) UniProt (P0ABE7) Pfam (PF00001)  | Homo sapiens (human) | C3AR,C3a-R,Cytochrome b-562 | 
| 2 | B (R)  | (2~{S})-5-[bis(azanyl)methylideneamino]-2-[[5-[bis(4-chlorophenyl)methyl]-3-methyl-thiophen-2-yl]carbonylamino]pentanoic acid | non-polymer | 533.5 | 1 | Chemie (A1D9A) | 
Sequence modifications
R: 2 - 365 (UniProt: Q16581)
R: 1006 - 1110 (UniProt: P0ABE7)
R: 370 - 482 (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 | 
| 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 | 
| 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 | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 | 
| Total formula weight | 68608.3 | |
| Non-Polymers* | Number of molecules | 1 | 
| Total formula weight | 533.5 | |
| All* | Total formula weight | 69141.8 | 






