4OF7

Crystal Structure of SYG-1 D1, Crystal Form 2

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 (A, B, C, D)	Protein SYG-1, isoform b	polymer	120	13371.9	4	UniProt (B1Q236) Pfam (PF07679)	Caenorhabditis elegans (nematode)
2	E, G, H, K (A, B, D)	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
3	F, I, J (B, C, D)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	3	Chemie (NAG)
4	L, M, N, O (A, B, C, D)	water	water		18.0	347	Chemie (HOH)

Sequence modifications

A, B, C, D: 19 - 129 (UniProt: B1Q236)

PDB	External Database	Details
Ala 16	-	expression tag
Asp 17	-	expression tag
Pro 18	-	expression tag
His 130	-	expression tag
His 131	-	expression tag
His 132	-	expression tag
His 133	-	expression tag
His 134	-	expression tag
His 135	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	53487.7
Non-Polymers*	Number of molecules	7
	Total formula weight	1047.9
All*	Total formula weight	54535.5

*Water molecules are not included.