9NM1

Y20S (Sec18-Sec17-Sec9-Sso1-Snc1) EDTA - All Merge (Class 9, focused on D1/D2)

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, E... (A, B, C, D, E...)	Vesicular-fusion protein SEC18	polymer	761	84423.3	6	UniProt (P18759) Pfam (PF02933) Pfam (PF00004) Pfam (PF17862)	Saccharomyces cerevisiae (brewer's yeast)
2	G (K)	Protein SSO1	polymer	269	30798.0	1	UniProt (P32867) Pfam (PF00804) Pfam (PF05739)	Saccharomyces cerevisiae (brewer's yeast)
3	H, P (A, E)	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	2	Chemie (ADP)
4	I, J, K, L, M... (A, B, C, D, E...)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	9	Chemie (ATP)
5	S, T, U, V, W... (A, B, C, D, E...)	water	water		18.0	97	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F: 1 - 758 (UniProt: P18759)

PDB	External Database	Details
Gly -2	-	expression tag
Ala -1	-	expression tag
His 0	-	expression tag

K: 1 - 265 (UniProt: P32867)

PDB	External Database	Details
Gly -3	-	expression tag
Ala -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	7
	Total formula weight	537337.8
Non-Polymers*	Number of molecules	11
	Total formula weight	5419.0
All*	Total formula weight	542756.8

*Water molecules are not included.