4YWA

Structural Insight into Divalent Galactoside Binding to Pseudomonas aeruginosa lectin LecA

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	PA-I galactophilic lectin	polymer	121	12770.1	4	UniProt (Q05097) Pfam (PF07828) In PDB	Pseudomonas aeruginosa	PA-IL,Galactose-binding lectin
2	A, B, C, D	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
3	A, C	(2R,3R,4S,5R,6R,2'R,3'R,4'S,5'R,6'R)-2,2'-([(2R,3R,4S,5S,6S)-3,4-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2,5-diyl]bis{1H-1,2,3-triazole-1,4-diyl[(2S,3R,4S,5S,6S)-3,4-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2,5-diyl]-1H-1,2,3-triazole-1,4-diylmethanediyloxy})bis[6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol]	non-polymer		1093.0	2	Chemie (4J9)
4		water	water		18.0	744	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	51080.5
Non-Polymers*	Number of molecules	6
	Total formula weight	2346.3
All*	Total formula weight	53426.8

*Water molecules are not included.