2RB3

Crystal Structure of Human Saposin D

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	Proactivator polypeptide	polymer	85	9654.2	4	UniProt (P07602) Pfam (PF05184) Pfam (PF03489) In PDB	Homo sapiens (human)
2	A, C	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
3	B, D	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
4		water	water		18.0	381	Chemie (HOH)

Sequence modifications

A, B, C, D: 3 - 80 (UniProt: P07602)

PDB	External Database	Details
Ala 2	-	expression tag
His 81	-	expression tag
His 82	-	expression tag
His 83	-	expression tag
His 84	-	expression tag
His 85	-	expression tag
His 86	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	38616.6
Non-Polymers*	Number of molecules	5
	Total formula weight	472.4
All*	Total formula weight	39089.0

*Water molecules are not included.