2ZQN

Crystal structure of the earthworm R-type lectin C-half in complex with Lactose

Replaces:  2D12

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	29-kDa galactose-binding lectin	polymer	131	14746.5	2	UniProt (O96048) Pfam (PF00652) In PDB	Lumbricus terrestris (Common earthworm)
2	C, D, E, F	beta-D-galactopyranose-(1-4)-beta-D-glucopyranose	branched		342.3	4	In PDB BIRD (PRD_900004) GlyTouCan (G84224TW)		beta-lactose
3	A	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
4	A	IMIDAZOLE	non-polymer		69.1	2	Chemie (IMD)
5		water	water		18.0	285	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	29493.1
Branched	Number of molecules	4
	Total formula weight	1369.2
Non-Polymers*	Number of molecules	4
	Total formula weight	328.1
All*	Total formula weight	31190.4

*Water molecules are not included.