2E51

Crystal structure of basic winged bean lectin in complex with A blood group disaccharide

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	Basic agglutinin	polymer	241	26505.6	4	UniProt (O24313) Pfam (PF00139) In PDB	Psophocarpus tetragonolobus (winged bean)	WBA I
2	E, H, K, N	2-acetamido-2-deoxy-alpha-D-galactopyranose-(1-3)-alpha-D-galactopyranose	branched		383.3	4	In PDB GlyTouCan (G02273DT)
3	F, G, I, J, O...	alpha-L-fucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose	branched		570.5	6	In PDB GlyTouCan (G11971MR)
4	L	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)]2-acetamido-2-deoxy-beta-D-glucopyranose	branched		732.7	1	In PDB GlyTouCan (G18638YB)
5	M	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	1	In PDB GlyTouCan (G42666HT)
6	A, B, C, D	MANGANESE (II) ION	non-polymer		54.9	4	Chemie (MN)
7	A, B, C, D	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
8		water	water		18.0	268	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	106022.4
Branched	Number of molecules	12
	Total formula weight	6113.7
Non-Polymers*	Number of molecules	8
	Total formula weight	380.1
All*	Total formula weight	112516.2

*Water molecules are not included.