1W2S

Solution structure of CR2 SCR 1-2 in its complex with C3d by X-ray scattering

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	COMPLEMENT C3 PRECURSOR	polymer	307	34379.3	1	UniProt (P01024) Pfam (PF07678)	HOMO SAPIENS (HUMAN)	C3D
2	B (B)	COMPLEMENT RECEPTOR TYPE 2 PRECURSOR,	polymer	142	15611.9	1	UniProt (P20023) Pfam (PF00084)	HOMO SAPIENS (HUMAN)	CR2 SCR 1-2, COMPLEMENT C3D RECEPTOR, EPSTEIN-BARR VIRUS RECEPTOR, EBV RECEPTOR, CD21 ANTIGEN

Sequence modifications

A: 1 - 2 (PDB: 1W2S)
A: 295 - 295 (PDB: 1W2S)
A: 3 - 294 (UniProt: P01024)

PDB	External Database	Details
Ala 17	Cys 1010	conflict

A: 296 - 307 (UniProt: P01024)
B: 1 - 4 (PDB: 1W2S)
B: 138 - 142 (PDB: 1W2S)
B: 5 - 137 (UniProt: P20023)

PDB	External Database	Details
Gln 67	Glu 83	conflict

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	49991.2
All*	Total formula weight	49991.2

*Water molecules are not included.