2D3S

Crystal Structure of basic winged bean lectin with Tn-antigen

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	242	26636.8	4	UniProt (O24313) Pfam (PF00139) In PDB	Psophocarpus tetragonolobus (winged bean)	WBA I
2	E, G, H, J	alpha-L-fucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose	branched		570.5	4	In PDB GlyTouCan (G11971MR)
3	F	alpha-L-fucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		367.3	1	In PDB GlyTouCan (G80587NA)
4	I	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	A, B, C, D	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
6	A, B, C, D	MANGANESE (II) ION	non-polymer		54.9	4	Chemie (MN)
7	A, B, C, D	SERINE	non-polymer		105.1	4	Chemie (SER)
8	D, A, B, C	2-acetamido-2-deoxy-alpha-D-galactopyranose	non-polymer		221.2	4	Chemie (A2G)
9	C	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	1	Chemie (NAG)
10		water	water		18.0	273	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	106547.2
Branched	Number of molecules	6
	Total formula weight	3382.2
Non-Polymers*	Number of molecules	17
	Total formula weight	1906.5
All*	Total formula weight	111835.9

*Water molecules are not included.