2OK5

Human Complement factor B

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Complement factor B	polymer	752	84440.1	1	UniProt (P00751) Pfam (PF00084) Pfam (PF00092) Pfam (PF00089) In PDB	Homo sapiens (human)
2	B	alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		1235.1	1	In PDB GlyTouCan (G55220VL)
3	C	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	1	In PDB GlyTouCan (G42666HT)
4	A	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
5	A	GLYCEROL	non-polymer		92.1	13	Chemie (GOL)
6		water	water		18.0	295	Chemie (HOH)

Sequence modifications

A: 1 - 739 (UniProt: P00751)

PDB	External Database	Details
Gly -9	-	cloning artifact
Ser -8	-	cloning artifact
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
Gly -1	-	cloning artifact
Ser 0	-	cloning artifact
Ala 740	-	cloning artifact
Ala 741	-	cloning artifact
Ala 742	-	cloning artifact

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	84440.1
Branched	Number of molecules	2
	Total formula weight	1659.5
Non-Polymers*	Number of molecules	15
	Total formula weight	1639.6
All*	Total formula weight	87739.3

*Water molecules are not included.