4Y20

Complex of human Galectin-1 and NeuAcalpha2-3Galbeta1-4Glc

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Galectin-1	polymer	154	16895.0	1	UniProt (P09382) Pfam (PF00337) In PDB	Homo sapiens (Human)	Gal-1,14 kDa laminin-binding protein,HLBP14,14 kDa lectin,Beta-galactoside-binding lectin L-14-I,Galaptin,HBL,HPL,Lactose-binding lectin 1,Lectin galactoside-binding soluble 1,Putative MAPK-activating protein PM12,S-Lac lectin 1
2	B	Galectin-1	polymer	154	16911.0	1	UniProt (P09382) Pfam (PF00337) In PDB	Homo sapiens (Human)	Gal-1,14 kDa laminin-binding protein,HLBP14,14 kDa lectin,Beta-galactoside-binding lectin L-14-I,Galaptin,HBL,HPL,Lactose-binding lectin 1,Lectin galactoside-binding soluble 1,Putative MAPK-activating protein PM12,S-Lac lectin 1
3	C, D	N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-4)-alpha-D-glucopyranose	branched		633.6	2	In PDB BIRD (PRD_900025) GlyTouCan (G92323ZH)		3'-sialyl-alpha-lactose
4		water	water		18.0	49	Chemie (HOH)

Sequence modifications

A: 2 - 134 (UniProt: P09382)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag
Met 1	-	expression tag

B: 2 - 134 (UniProt: P09382)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag
Met 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	33805.9
Branched	Number of molecules	2
	Total formula weight	1267.1
All*	Total formula weight	35073.0

*Water molecules are not included.