2ZNH

Crystal Structure of a Domain-Swapped Serpin Dimer

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Antithrombin-III	polymer	432	49101.0	2	UniProt (P01008) Pfam (PF00079) In PDB	Homo sapiens (Human)	ATIII
2	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)
3	D, E	alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		586.5	2	In PDB GlyTouCan (G62182OO)
4	A, B	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
5	B	CITRIC ACID	non-polymer		192.1	2	Chemie (CIT)
6		water	water		18.0	91	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	98202.0
Branched	Number of molecules	3
	Total formula weight	1597.5
Non-Polymers*	Number of molecules	4
	Total formula weight	826.7
All*	Total formula weight	100626.2

*Water molecules are not included.