2W7Y

Structure of a Streptococcus pneumoniae solute-binding protein in complex with the blood group A-trisaccharide.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	PROBABLE SUGAR ABC TRANSPORTER, SUGAR-BINDING PROTEIN	polymer	430	47170.0	2	UniProt (A5LBQ6) In PDB	STREPTOCOCCUS PNEUMONIAE	FCSSBP
2	C, D	alpha-L-fucopyranose-(1-2)-[2-acetamido-2-deoxy-alpha-D-galactopyranose-(1-3)]beta-D-galactopyranose	branched		529.5	2	In PDB GlyTouCan (G00066MO)
3	A, B	IODIDE ION	non-polymer		126.9	2	Chemie (IOD)
4		water	water		18.0	410	Chemie (HOH)

Sequence modifications

A, B: 1 - 23 (PDB: 2W7Y)
A, B: 24 - 428 (UniProt: A5LBQ6)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	94340.0
Branched	Number of molecules	2
	Total formula weight	1059.0
Non-Polymers*	Number of molecules	2
	Total formula weight	253.8
All*	Total formula weight	95652.8

*Water molecules are not included.