3VT0

Crystal structure of Ct1,3Gal43A in complex with lactose

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, E... (A, B, C, D, E...)	Ricin B lectin	polymer	526	58620.0	6	UniProt (A3DD67) Pfam (PF04616) Pfam (PF14200)	Clostridium thermocellum
2	G, H, I, J, K... (G, H, I, J, K...)	beta-D-galactopyranose-(1-4)-beta-D-glucopyranose	branched		342.3	6	In PDB BIRD (PRD_900004) GlyTouCan (G84224TW)		beta-lactose
3	M, N, O (A, C, F)	GLYCEROL	non-polymer		92.1	3	Chemie (GOL)

Sequence modifications

A, B, C, D, E, F: 31 - 520 (UniProt: A3DD67)

PDB	External Database	Details
Met -35	-	expression tag
Gly -34	-	expression tag
Ser -33	-	expression tag
Ser -32	-	expression tag
His -31	-	expression tag
His -30	-	expression tag
His -29	-	expression tag
His -28	-	expression tag
His -27	-	expression tag
His -26	-	expression tag
Ser -25	-	expression tag
Ser -24	-	expression tag
Gly -23	-	expression tag
Leu -22	-	expression tag
Val -21	-	expression tag
Pro -20	-	expression tag
Arg -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
His -16	-	expression tag
Met -15	-	expression tag
Ala -14	-	expression tag
Ser -13	-	expression tag
Met -12	-	expression tag
Thr -11	-	expression tag
Gly -10	-	expression tag
Gly -9	-	expression tag
Gln -8	-	expression tag
Gln -7	-	expression tag
Met -6	-	expression tag
Gly -5	-	expression tag
Arg -4	-	expression tag
Gly -3	-	expression tag
Ser -2	-	expression tag
Glu -1	-	expression tag
Phe 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	351719.9
Branched	Number of molecules	6
	Total formula weight	2053.8
Non-Polymers*	Number of molecules	3
	Total formula weight	276.3
All*	Total formula weight	354049.9

*Water molecules are not included.