9TQB

Octameric C. elegans BORC, containing BORCS5, BORCS6, BORCS7, BORCS8, KXD1 and the shared BORC and BLoC-1 subunits, BLOC1S1, BLOC1S2 and Snapin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (G)	Biogenesis of lysosome-related organelles complex 1 subunit 1	polymer	129	14698.6	1	UniProt (Q22616) Pfam (PF06320)	Caenorhabditis elegans	BLOC-1 subunit 1
2	B (H)	Biogenesis of lysosome-related organelles complex 1 subunit 2	polymer	132	15013.7	1	UniProt (Q95XD3) Pfam (PF10046)	Caenorhabditis elegans	BLOC-1 subunit 2
3	C (F)	SNAPIN protein homolog	polymer	122	13837.6	1	UniProt (O44445) Pfam (PF14712)	Caenorhabditis elegans	Biogenesis of lysosome-related organelles complex 1 subunit 7,BLOC-1 subunit 7
4	D (E)	KxDL domain-containing protein	polymer	140	16295.4	1	UniProt (O01488) Pfam (PF10241)	Caenorhabditis
5	E (A)	BLOC-1-related complex subunit 5	polymer	240	26732.2	1	UniProt (O01902) Pfam (PF10158)	Caenorhabditis elegans
6	F (B)	BLOC-1-related complex subunit 6 C-terminal helix domain-containing protein	polymer	163	18177.5	1	UniProt (Q9TYN4) Pfam (PF10157)	Caenorhabditis elegans
7	G (C)	BLOC-1-related complex subunit 7	polymer	126	13864.5	1	UniProt (Q21655) Pfam (PF16088)	Caenorhabditis elegans
8	H (D)	BLOC-1-related complex subunit 8 homolog	polymer	151	16878.8	1	UniProt (O45685) Pfam (PF10167)	Caenorhabditis elegans

Sequence modifications

A: 1 - 240 (UniProt: O01902)

PDB	External Database	Details
Ala 2	Gly 2	engineered mutation
Glu 161	Asp 161	engineered mutation

B: 1 - 157 (UniProt: Q9TYN4)

PDB	External Database	Details
Glu 158	-	expression tag
Asn 159	-	expression tag
Leu 160	-	expression tag
Tyr 161	-	expression tag
Phe 162	-	expression tag
Gln 163	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	135498.4
All*	Total formula weight	135498.4

*Water molecules are not included.