4KHB

Structure of the Spt16D Pob3N heterodimer

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, G, E, C	Uncharacterized protein SPT16D	polymer	127	14720.7	4	UniProt (G0SDN1) Pfam (PF08644) In PDB	Chaetomium thermophilum var. thermophilum
2	D, F, H, B	Uncharacterized protein POB3N	polymer	195	21833.2	4	UniProt (G0SHK5) Pfam (PF17292) Pfam (PF03531) In PDB	Chaetomium thermophilum var. thermophilum
3	A, D, F, H, E...	SULFATE ION	non-polymer		96.1	9	Chemie (SO4)
4		water	water		18.0	265	Chemie (HOH)

Sequence modifications

A, G, E, C: 522 - 647 (UniProt: G0SDN1)

PDB	External Database	Details
Met 521	-	initiating methionine

D, F, H, B: 1 - 192 (UniProt: G0SHK5)

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

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	146215.8
Non-Polymers*	Number of molecules	9
	Total formula weight	864.6
All*	Total formula weight	147080.3

*Water molecules are not included.