1Q8Z

The apoenzyme structure of the yeast SR protein kinase, Sky1p

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	SR Protein Kinase	polymer	373	43025.1	2	UniProt (Q03656) Pfam (PF00069)	Saccharomyces cerevisiae (baker's yeast)
2	C, F (A, B)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	D, G (A, B)	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
4	E, H (A, B)	METHANOL	non-polymer		32.0	2	Chemie (MOH)
5	I, J (A, B)	water	water		18.0	133	Chemie (HOH)

Sequence modifications

A, B: 138 - 304 (UniProt: Q03656)
A, B: 539 - 742 (UniProt: Q03656)

PDB	External Database	Details
Val 305	-	SEE REMARK 999
Asp 306	-	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	86050.1
Non-Polymers*	Number of molecules	6
	Total formula weight	380.3
All*	Total formula weight	86430.5

*Water molecules are not included.