4X9B

Crystal structure of Dscam1 isoform 4.44, N-terminal four Ig domains

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Down syndrome cell adhesion molecule, isoform 4.44	polymer	397	43345.8	2	Pfam (PF07679) Pfam (PF13927) UniProt (by SIFTS) (Q0E9H9) In PDB	Drosophila melanogaster
2	C	alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		748.7	1	In PDB GlyTouCan (G22573RC)
3	D	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		586.5	1	In PDB GlyTouCan (G15407YE)
4	A, B	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
5	A	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
6		water	water		18.0	230	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	86691.6
Branched	Number of molecules	2
	Total formula weight	1335.2
Non-Polymers*	Number of molecules	4
	Total formula weight	488.4
All*	Total formula weight	88515.2

*Water molecules are not included.