8XBS

C. elegans apo-SID1 structure

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Systemic RNA interference defective protein 1	polymer	792	90081.7	2	UniProt (Q9GZC8) In PDB	Caenorhabditis elegans	Systemic RNAi enabling protein
2	C, D, E, F	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	4	In PDB GlyTouCan (G42666HT)
3	A, B	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
4	A, B	CHOLESTEROL	non-polymer		386.7	8	Chemie (CLR)
5	A, B	(2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate	non-polymer		760.1	2	Chemie (POV)
6	A, B	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)

Sequence modifications

A, B: 18 - 776 (UniProt: Q9GZC8)

PDB	External Database	Details
Met -15	-	initiating methionine
Ile -14	-	expression tag
Arg -13	-	expression tag
Val -12	-	expression tag
Tyr -11	-	expression tag
Leu -10	-	expression tag
Ile -9	-	expression tag
Ile -8	-	expression tag
Leu -7	-	expression tag
Met -6	-	expression tag
His -5	-	expression tag
Leu -4	-	expression tag
Val -3	-	expression tag
Ile -2	-	expression tag
Gly -1	-	expression tag
Leu 0	-	expression tag
Thr 1	-	expression tag
His 2	-	expression tag
His 3	-	expression tag
His 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
Val 8	-	expression tag
Glu 9	-	expression tag
Asp 10	-	expression tag
Tyr 11	-	expression tag
Lys 12	-	expression tag
Asp 13	-	expression tag
Asp 14	-	expression tag
Asp 15	-	expression tag
Asp 16	-	expression tag
Lys 17	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	180163.3
Branched	Number of molecules	4
	Total formula weight	1697.6
Non-Polymers*	Number of molecules	14
	Total formula weight	5186.6
All*	Total formula weight	187047.5

*Water molecules are not included.