3RFE

Crystal structure of glycoprotein GPIb ectodomain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Platelet glycoprotein Ib beta chain	polymer	130	14021.2	2	UniProt (P13224) In PDB	Homo sapiens (human)	GP-Ib beta, GPIb-beta, GPIbB, Antigen CD42b-beta
2	A, B	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
3	A, B	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	A, B	SULFATE ION	non-polymer		96.1	8	Chemie (SO4)
5		water	water		18.0	448	Chemie (HOH)

Sequence modifications

A, B: 1 - 121 (UniProt: P13224)

PDB	External Database	Details
Pro 0	-	expression tag
Ser 122	-	expression tag
Ser 123	-	expression tag
His 124	-	expression tag
His 125	-	expression tag
His 126	-	expression tag
His 127	-	expression tag
His 128	-	expression tag
His 129	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	28042.5
Non-Polymers*	Number of molecules	12
	Total formula weight	1259.5
All*	Total formula weight	29302.0

*Water molecules are not included.