1OJY

Decay accelerating factor (cd55): the structure of an intact human complement regulator.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	COMPLEMENT DECAY-ACCELERATING FACTOR	polymer	254	28174.7	4	UniProt (P08174) Pfam (PF00084)	HOMO SAPIENS (HUMAN)	DAF, CR, CD55
2	E, F, J, N (A, B, C, D)	ACETATE ION	non-polymer		59.0	4	Chemie (ACT)
3	G, I, L, O, P... (B, C, D)	GLYCEROL	non-polymer		92.1	6	Chemie (GOL)
4	H, K, M (C, D)	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
5	R, S, T, U (A, B, C, D)	water	water		18.0	143	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 2 (PDB: 1OJY)
A, B, C, D: 254 - 254 (PDB: 1OJY)
A, B, C, D: 3 - 253 (UniProt: P08174)

PDB	External Database	Details
Ile 48	Thr 80	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	112698.7
Non-Polymers*	Number of molecules	13
	Total formula weight	1076.9
All*	Total formula weight	113775.6

*Water molecules are not included.