1OJW

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 (A, B)	COMPLEMENT DECAY-ACCELERATING FACTOR	polymer	254	28174.7	2	UniProt (P08174) Pfam (PF00084)	HOMO SAPIENS (HUMAN)	CD55, DAF
2	C, D (A)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	E, F (A)	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
4	G, H (A, B)	water	water		18.0	33	Chemie (HOH)

Sequence modifications

A, B: 1 - 2 (PDB: 1OJW)
A, B: 254 - 254 (PDB: 1OJW)
A, B: 3 - 253 (UniProt: P08174)

PDB	External Database	Details
Ile 48	Thr 80	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	56349.3
Non-Polymers*	Number of molecules	4
	Total formula weight	376.3
All*	Total formula weight	56725.6

*Water molecules are not included.