3USU

Crystal structure of Butea monosperma seed lectin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G	Lectin Alpha chain	polymer	256	27229.7	4	Pfam (PF00139) UniProt (by SIFTS) (H2L2M6) In PDB	Butea monosperma (Bengal kino)
2	B, D, F, H	Lectin Beta Chain	polymer	242	25817.0	4	Pfam (PF00139) UniProt (by SIFTS) (H2L2M6) In PDB	Butea monosperma (Bengal kino)
3	I, K, 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	3	In PDB GlyTouCan (G18638YB)
4	J	alpha-D-mannopyranose-(1-3)-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		894.8	1	In PDB GlyTouCan (G17689EW)
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	N	alpha-L-fucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		367.3	1	In PDB GlyTouCan (G80587NA)
7	D, E, F, A, G...	CALCIUM ION	non-polymer		40.1	8	Chemie (CA)
8	D, E, F, A, G...	MANGANESE (II) ION	non-polymer		54.9	8	Chemie (MN)
9	C, D, E, F, A...	GAMMA-AMINO-BUTANOIC ACID	non-polymer		103.1	8	Chemie (ABU)
10	D, E, A, G, B...	GLYCEROL	non-polymer		92.1	8	Chemie (GOL)
11	B	beta-D-xylopyranose	non-polymer		150.1	1	Chemie (XYP)
12	D	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	1	Chemie (NAG)
13		water	water		18.0	466	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	212186.7
Branched	Number of molecules	6
	Total formula weight	3884.6
Non-Polymers*	Number of molecules	34
	Total formula weight	2693.2
All*	Total formula weight	218764.5

*Water molecules are not included.