4OFY

Crystal Structure of the Complex of SYG-1 D1-D2 and SYG-2 D1-D4

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	Protein SYG-1, isoform b	polymer	262	29085.7	3	UniProt (B1Q236) Pfam (PF07679) Pfam (PF08205) In PDB	Caenorhabditis elegans (nematode)
2	D, E, F	Protein SYG-2	polymer	420	46913.5	3	UniProt (Q9U3P2) Pfam (PF07686) Pfam (PF08205) Pfam (PF13927) In PDB	Caenorhabditis elegans (nematode)
3	G, H, I, J, K...	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	6	In PDB GlyTouCan (G42666HT)
4	F, C, D, E	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	16	Chemie (NAG)
5	F, D, E	ETHYL MERCURY ION	non-polymer		229.7	3	Chemie (EMC)

Sequence modifications

A, B, C: 19 - 271 (UniProt: B1Q236)

PDB	External Database	Details
Ala 16	-	expression tag
Asp 17	-	expression tag
Pro 18	-	expression tag
His 272	-	expression tag
His 273	-	expression tag
His 274	-	expression tag
His 275	-	expression tag
His 276	-	expression tag
His 277	-	expression tag

D, E, F: 20 - 430 (UniProt: Q9U3P2)

PDB	External Database	Details
Ala 17	-	expression tag
Asp 18	-	expression tag
Pro 19	-	expression tag
Cys 391	Asn 391	engineered mutation
His 431	-	expression tag
His 432	-	expression tag
His 433	-	expression tag
His 434	-	expression tag
His 435	-	expression tag
His 436	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	227997.6
Branched	Number of molecules	6
	Total formula weight	2546.4
Non-Polymers*	Number of molecules	19
	Total formula weight	4228.3
All*	Total formula weight	234772.3

*Water molecules are not included.