2XPO

Crystal structure of a Spt6-Iws1(Spn1) complex from Encephalitozoon cuniculi, Form II

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	IWS1	polymer	145	16424.1	2	UniProt (Q8SUS7) Pfam (PF08711) In PDB	ENCEPHALITOZOON CUNICULI	ECU08_0440
2	B, D	CHROMATIN STRUCTURE MODULATOR	polymer	23	2712.9	2	UniProt (Q8SRG7) In PDB	ENCEPHALITOZOON CUNICULI	SPT6
3	A, C	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
4		water	water		18.0	151	Chemie (HOH)

Sequence modifications

A, C: 55 - 198 (UniProt: Q8SUS7)

PDB	External Database	Details
Met 54	-	expression tag

B, D: 53 - 71 (UniProt: Q8SRG7)

PDB	External Database	Details
Gly 49	-	SEE REMARK 999
Ser 50	-	SEE REMARK 999
His 51	-	SEE REMARK 999
Met 52	-	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	38274.1
Non-Polymers*	Number of molecules	2
	Total formula weight	70.9
All*	Total formula weight	38345.0

*Water molecules are not included.